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Tue Dec 31 18:27:50 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

	* ace/Log_Msg.cpp (log): Added a test so that if we're
	  (1) not printing to stderr and (2) aborting the program we still
 	  print a message to stderr.

	* ace/Message_Block: Added synchronization support to
 	  ACE_Message_Block.  This is necessary now that we've got
 	  reference counting to ensure that we don't have race conditions
 	  when incrementing and decrementing the reference count in
 	  separate threads.  The approach is very clean and uses the new
 	  ACE_Lock mechanism to conditionally acquire()/release() the
 	  locking strategy if concurrency control is necessary.

	* ace/Synch_T: Created a new set of ACE_Lock and
 	  ACE_Lock_Adapter<> classes which are similar in spirit to the
 	  ACE_Allocator and ACE_Allocator_Adapter<> classes.  These make
 	  it possible to treat polymorphically synchronization mechanisms
 	  in ACE polymorphically, *without* creating an entire new
 	  parallel hierarchy of locking mechanisms.

	* ace/Synch: Added the full suite of acquire_{read|write}() and
 	  tryacquire_{read|write}() methods to ACE_Semaphore and
 	  ACE_Process_Semaphore so they will be consist with the other
 	  synchronization APIs.

Tue Dec 31 00:11:56 1996  Douglas C. Schmidt  <schmidt@flamenco.cs.wustl.edu>

	* Changed all uses of ACE_Event_Handler::RWE_MASK to 
	  ACE_Event_Handler::ALL_EVENTS_MASK to reflect the fact that
	  we will soon have more than READ, WRITE, and EXCEPT events.
	  However, I've kept RWE_MASK around for backwards
	  compatibility.

	* examples/ASX/Message_Queue: Changed the tests so that they use
 	  the new ACE_Message_Block::release() method rather than calling
 	  delete explicitly.

	* apps/Gateway: Revised the implementation of the Gateway and Peer
 	  applications to take advantage of the new ACE_Message_Block
 	  reference counting scheme.

Tue Dec 31 15:06:51 1996  David L. Levine  <levine@cs.wustl.edu>

	* ace/Task.cpp: added comments that try to explain interaction
          between ACE_Task_Base::svc_run () and ACE_Task_Exit instance

	* ace/Hi_Res_Timer.h: added comment to print_total () saying it
	  should only be used for incremental timings; added defaults to
	  a few print_ave/print_total args

	* ace/Hi_Res_Timer.{i,cpp}: inlined the constructor; trimmed output
	  if count is 1; rounded instead of truncated usecs portion of time

Mon Dec 30 15:24:59 1996  Douglas C. Schmidt  <schmidt@flamenco.cs.wustl.edu>

	* ace/Message_Block: Added reference counting to ACE_Message_Block
 	  so that we no longer have to clone() messages when we want to
 	  pass them around "by reference."

	* apps/Gateway/Peer/Peer.cpp (init): The Peer_Acceptor had gotten
 	  out of date wrt newer ACE features, so I updated it.

Mon Dec 30 15:24:59 1996  Douglas C. Schmidt  <schmidt@flamenco.cs.wustl.edu>

	* ace/OS.h: Added a special case for ACE_UNUSED_ARG that works
 	  with G++.  Thanks to David Levine for this.

Mon Dec 30 16:05:11 1996  David L. Levine  <levine@cs.wustl.edu>

	* ace/OS.cpp (ace_thread_adapter): Updated ACE_TRACE arg
	  names (even though they're currently commented out).

	* ace/Task.cpp (svc_run): If TSS isn't supported, and on
	  Linux, for now, create the ACE_Task_Exit exit_hook instance
	  on the stack so that it's destructor will be called when
	  svc_run () completes.

Sun Dec 29 18:38:03 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

	* apps/Gateway/Gateway/File_Parser.h: Removed the endofline()
 	  method declaration -- it doesn't seem to be defined anywhere.

	* ace/OS.h: Added an ACE_INT32 to complement the ACE_UINT32.

	* netsvcs/lib: Cleaned up all the ACE network services by removing
 	  their SIGINT signal handler.  This was interferring with the
 	  main event loop's ability to shutdown...

	* apps/Gateway/Gateway: Once again changed the name of
 	  *IO_Handler* to *Proxy_Handler* since these things are really
 	  proxies, in the COS sense!

	* ace/Service_Record.cpp: Tidied up the implementation of
 	  ACE_Module_Type::fini() so that it doesn't try to call fini() on
 	  NULL pointers.  Also, rather than explicitly deleting the reader
 	  and writer Tasks, we call ACE_Module<>::close(), which knows how
 	  to take care of all this stuff.

	* ace/Module.cpp: Added an extra parameter to close_i() so that we
 	  can correctly pass the value of "flags" from close() in order to
 	  prevent deleting tasks when we don't want to do this.

	* ace/Module.cpp: There was a bug in the open() method
 	  since we were potentially deleting reader_q and writer_q twice
 	  if memory allocation failed.

Sat Dec 28 19:02:13 1996  Douglas C. Schmidt  <schmidt@flamenco.cs.wustl.edu>

	* ace/ACE.cpp: Changed the implementation of ldfind() so that it
 	  doesn't try to add the DLL prefix (e.g., "lib") unless it
 	  doesn't match filename.  This is necessary to keep lots
 	  of existing svc.conf files from breaking.

	* ace/Event_Handler.h: Added a new ACCEPT_MASK for use with the
 	  new asynchronous accept() operation support for Win32.

	* ace: Added a new config file for WinNT 4.0 called
 	  config-winnt-4.0-msvc4.x.h.  This file contains #defines for new
 	  features in WinNT 4.0 such as non-blocking acquire for
 	  CRITICALSECTIONs (TryEnterCriticalSection()),
 	  SignalObjectAndWait(), and CancelIO().  Oddly enough, these
 	  functions seem to be missing from the MSVC++ 4.2 #include files,
 	  so I added them to the config file.

	* ace: Changed the name of config-win32-msvc4.0.h to
 	  config-win32-msvc4.x.h since this config file works for MSVC++
 	  4.0, 4.1, and 4.2.

	* ace/Proactor: Added a new "cancel_io" method on the Proactor.
  	  This makes it possible to cancel all I/O that is outstanding on
 	  a thread.  Thanks to Tim for help with this.

Sat Dec 28 23:49:09 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

	* ace/ReactorEx.h: Fixed some bugs with ACE_ReactorEx::dispatch.
	  For instance, the index should only be incremented when handlers
	  are dispatched.

	* ace/OS.i: Fixed some typos regarding the ACE_cond_t for NT.

	* examples/Reactor/Proactor/test_proactor.cpp: Dr. Schmidt and I
	  hacked this to be way cool.  In particular, we no longer
	  have to know the size of the files to be transferred in
	  advance.  This scheme uses a clever protocol that shuts down 
 	  the Peer Handler when (1) all input from the file has arrived,
 	  (2) all output to the remote peer handler has been sent, and (3)
 	  all input from the remote peer handler has been received.
	  The Peer Handler now uses calls close_writer on the stream
	  to notify the remote peer when its done writing.  The Input
	  File Handler sends an mb==0 to tell the Peer Handler when
	  it's done reading from the file.  The Peer Handle uses a
	  state variable to OR in all the different conditions for
	  exiting.  It works.

Fri Dec 27 23:39:19 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

	* ace/Stream.cpp (pop): Modified the code so that we don't delete
 	  the Module we are popping unless the flags request this.

	* ace/Service_Record.cpp (fini): Always make sure to first fini()
 	  each Module, then remove() (and delete) them.

	* ace/Stream.cpp (remove): Updated the code so that we don't
 	  delete the Module unless the flags request this.

Thu Dec 26 18:51:22 1996  David L. Levine  <levine@cs.wustl.edu>

	* ace/config-linux-lxpthreads.h: Has James CE Johnson's
	  latest adjustments to this config file.

Tue Dec 24 10:55:20 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

	* ace/OS.cpp (ace_thread_adapter): Changed the message that is
 	  printed if we exit the thread.  Thanks to Luca for this
 	  suggestion.

Tue Dec 24 15:38:43 1996  David L. Levine  <levine@cs.wustl.edu>

	* ace/OS.i (cond_destroy): added call to event_destroy ()
	  for waiters_done_ on WTHREADS platforms

	* ace/Future.cpp: added specialization of
	  template class ACE_Atomic_Op<ACE_Thread_Mutex, int>;
	  so that libACE is self-contained with respect to template
	  instantiations (with g++, for example)

	* ace/Malloc.cpp: added specialization of
	  template class ACE_Atomic_Op<ACE_PROCESS_MUTEX, int>;
	  so that libACE is self-contained with respect to template
	  instantiations (with g++, for example)

	* examples/Reactor/Misc/test_reactors.cpp,
	  examples/Threads/future1.cpp, examples/Threads/future2.cpp,
	  examples/Threads/manual_event.cpp, examples/Threads/task_two.cpp,
	  performance-tests/Synch-Benchmarks/Benchmark.cpp,
	  tests/Future_Test.cpp, tests/Reactors_Test.cpp: instantiate
	  ACE_Atomic_Op with int instead of u_long so that it can use
	  the specialization in libACE

Tue Dec 24 12:49:21 1996  David L. Levine  <levine@cs.wustl.edu>

	* ace/OS.h (struct siginfo_t): added declaration of
	  siginfo_t (ACE_HANDLE *handles) to match definition in
	  OS.cpp.  Thanks to James Johnson for pointing this out.

	* ace/OS.cpp (thr_create): fixed position of
	  #endif /* !ACE_LACKS_THREAD_STACK_SIZE */ directive, it
	  needed to be before the closing '}' of the block.  Thanks to
	  James Johnson for pointing this out, also.

	* ace/OS.cpp: don't include ace/ARGV.h except on WIN32 because
	  it's only needed there, and don't compile ACE_Thread_Adapter on
	  VxWorks to save space

	* apps/Gateway/Peer/Gateway_Handler.h:  changed #include "Event.h"
	  to be #include "Peer_Message.h" so that Peer_Header::ROUTING_ID
	  can be referenced in the class declaration.  This subproject
	  still doesn't build, though; I think that Event.h is needed.

	* ace/OS.h (struct ACE_cond_t): declare waiters_done_ as
	  ACE_sema_t on VxWorks only, to avoid recursive struct
	  definition with ACE_event_t

	* ace/OS.i (ACE_OS::cond_*): on VxWorks only, use sema
	  operations on ACE_cond_t::waiters_done_ instead of event ops

Tue Dec 24 10:55:20 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

	* examples/Threads/task_three.cpp (main): Changed the use of
 	  new-style C++ casts for ACE_Sig_Action to old-style C casts so
 	  that more picky compilers like GCC won't complain.  Thanks to
 	  Sandro Doro <alex@aureus.sublink.org> for reporting this.

	* examples/Threads/task_two.cpp: Fixed a typo where int should be
 	  used as the type for ACE_Atomic_Op rather than u_long.  Thanks
 	  to David Levine for noticing this.

	* ace/OS.i: Generalized the implementation of ACE_OS::cond_wait()
 	  so that it will work with Win32 and VxWorks.  Thanks to David
 	  Levine for pointing this out.

	* ace/Synch_T.cpp: Removed ACE_Process_Condition since it isn't
 	  really feasible to implement this as a template.  At some point,
 	  it should be reimplemnted as a non-template that is only
 	  guaranteed to work on Solaris and some POSIX pthreads platforms.

Sun Dec 22 21:23:57 1996  David L. Levine  <levine@cs.wustl.edu>

	* ace/Acceptor.cpp: replaced two statements that looked like this:
	  "ptr && ptr->foo ()"  with "if (ptr) ptr-> foo()" to prevent
	  compiler warnings about computed values that aren't used

	* netsvcs/clients/Tokens/manual/manual.cpp: added explicit "int"
	  return type to declaration of handle_exception (ACE_HANDLE) so
	  that compilers don't complain about no type

	* ASX/Event_Server/Event_Server/Options.cpp,
	  ASX/UPIPE_Event_Server/Options.cpp: rearranged initializers
	  in Options ctor to match declaration order

Sun Dec 22 21:16:23 1996  Douglas C. Schmidt  <schmidt@mambo.cs.wustl.edu>

	* ace/OS.cpp (thr_create): added a new ACE_HAS_PTHREADS_XAVIER to
 	  deal with the sparam.sched_priority features of the Linux
 	  pthreads implementation.  Thanks to James Johnson for this.

	* ace/OS.i (thr_setprio): I forgot to define int policy = 0;

	* ace/SV_Semaphore_Simple.i: Removed the frigging LUSED macro and
 	  updated the ACE_SV_Semaphore_Simple::name_2_key() method to
 	  consider *all* the characters in the name.  This will help avoid
 	  nasty bugs when different lock names have a common prefix.

	* ace/Local_Name_Space_T.cpp (ACE_Local_Name_Space): Added a call
 	  to "delete this->lock_" since we now allocate it dynamically.

	* apps/Gateway/Gateway/gatewayd.cpp: Changed call to
 	  ACE_SVC_INVOKE from ACE_Gateway to Gateway.

	* ace/OS.i: In function thr_sigsetmask changed the line:

  	  #if defined (ACE_HAS_IRIX62_THREADS) 

	  to 

	  #if defined (ACE_HAS_IRIX62_THREADS) || defined (ACE_HAS_PTHREADS_XAVIER)

	  Thanks to James CE Johnson <jcej@lads.com> for this.

	* ace/config-linux-[lx]pthreads.h: Added a #define for the
 	  ACE_HAS_THREAD_SPECIFIC_STORAGE symbol.  Thanks to James CE
 	  Johnson <jcej@lads.com> for this.

	* ace: created a new config file called config-linux-lxpthreads.h.
	  This contains the ACE #defines necessary to use L. Xavier's
	  threading package on Linux.  Thanks to James CE Johnson
	  <jcej@lads.com> for this.

	* build/gcc/ace/Synch: Moved the definition of the ACE_*Event
 	  classes *outside* of ACE_HAS_THREADS so that the Proactor will
 	  compile correctly even when there's no threading defined.

	* ace/config-linux-pthread.h: Added #define ACE_MT_SAFE, which
 	  seems to have been missing.  Thanks to James Johnson for
 	  suggesting this.

	* tests/TSS_Test.cpp: Now that we've got Chris Lahey's fixes for
 	  AIX we can run this test on AIX.

	* ace/OS.cpp (thr_create): Added a #ifdef for
 	  pthread_attr_setstacksize() for Linux pthreads, which doesn't
 	  seem to support this.  Thanks to James CE Johnson
 	  <jcej@lads.com> for this fix.

	* ace/OS.i: Added DCE pthreads fixes for OSF/1 3.2.  Thanks to
 	  Harry Gunnarsson <hg@carmenta.se> for these.

Sat Dec 21 13:54:45 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Synch_T: Integrated a solution that will allow MVS to use
 	  ACE_TSS.  The problem is that the MVS C++ compiler requires an
 	  extern "C" destructor function for pthread_key_delete and the
 	  ACE_TSS stuff uses a paramatized C++ destructor function
          (ACE_TSS<TYPE>::cleanup).  To solve this, a new class
          (ACE_TSS_Adapter) was created that encapsulates a thread
 	  specific object and it's associated C++ destructor.  The ACE_TSS
 	  methods were then modified so that they provide access to the
 	  thread specific object through the ACE_TSS_Adapter.  Also added
 	  a generic extern "C" cleanup routine that takes an
 	  ACE_TSS_Adapter as an argument. It then calls the adapters
 	  cleanup method passing it the saved address of the thread
 	  specific object.  Thanks to Chuck Gehr <gehr@sweng.stortek.com>
 	  for all of this.

        * ace/OS: Updated the code so that it will work with MFC and
          AfxBeginThread().  Thanks to Detlef for these changes.

        * ace/README: Added two new #defines for ACE_LACKS_COND_T and
          ACE_LACKS_RWLOCK_T to make it possible to define these in a
          fine-grained manner for various platforms.

        * ace/OS.h: Restructured the ACE_HAS_THREADS section so that we
          factor out the code for ACE_cond_t and ACE_rwlock_t so that it
          is only defined if we don't support these features natively.

        * ace/ReactorEx: Added a new "alertable" parameter to the
          handle_events() method.  If alertable is true, then
          WaitForMultipleObjectsEx is used as the demultiplexing call,
          otherwise WaitForMultipleObjects is used.

        * ace/Signal.cpp: Had to move a few things around so that the code
          would compile for HP/UX.  Thanks to Neil B. Cohen
          <nbc@metsci.com> for reporting this.

        * ace/Acceptor.cpp: Updated the handle_close() method so that the
          Acceptor shuts down the listen socket and prevents handle leaks.
          Thanks to Irfan for reporting this.

Thu Dec 19th 03:48:26 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/Local_Name_Space_T.cpp: Made sure that the mutexes are
          getting named properly (both the mutex owned by the
          Local_Name_space and the lock owned by the backing
          store). For the time being I named these two to be the
          extensions of the backing store file name.

        * ace/Local_Name_Space_T.cpp: Replaced the create_manager code
          such that we use the double check pattern. This is simpiler
          and easy to understand compared to the current code.

        * ace/Naming_Context.cpp: Gave the database name a default value.

        * ace/Malloc_T.cpp: The lock_name should never be 0. This will
          cause all instances of the same pool to get different
          mutexes. 

Sat Dec 21 09:43:35 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/OS.{h,i}: fixes for VxWorks introduced in 4.1, and for
          inlining: moved #include of OS.i after #defines but before
          other ace #includes

Thu Dec 19 15:58:09 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/config-vxworks*.h, include/makeinclude/platform_vxworks*.GNU:
          enable inlining on VxWorks by default

Wed Dec 18 16:44:47 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Proactor.cpp (dispatch): Changed this method to take an
          int error parameter to set errno just before dispatching.
          This allows us to better propagate overlapped I/O errors to the
          handlers.

Wed Dec 18 16:21:36 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/OS.{h,i} and ace/INET_Addr.cpp:  more VxWorks
          gethostbyname () tweaks

Wed Dec 18 15:24:13 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Proactor.cpp (ACE_Proactor): Initialize completion_port_ to
          0.  This is the only way that CreateIoCompletionPort works
          first time in.  ACE_INVALID_HANDLE makes it break.

        * (ACE_Proactor): Added a call to CreateIoCompletionPort in the
          constructor so that GetQueuedCompletionStatus can be called
          before ACE_Proactor::initiate is called.  This is necessary if
          an application is using the Proactor as a timer mechanism only.

Tue Dec 18 7:58:07 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Proactor.i (get_handle): Changed this to return
          ACE_INVALID_HANDLE on non Win32 platforms.  Also changed
          shared_event_ from an ACE_Manual_Event to an ACE_Auto_Event.
          This allows us to remove the call to reset from handle_signal.

        * examples/Reactor/Proactor/test_timeout.cpp:  Added a new example
          application to the Proactor example suite.  Check the README for
          more details.

        * examples/Reactor/ReactorEx/test_timeout.cpp:  Added a new example
          application to the ReactorEx example suite.  Check the README for
          more details.

        * ace/Service_Config.cpp:  Fixed a bug in run_reactorEx_event_loop
          (ACE_Time_Value &) so that it doesn't return on timeout.

Tue Dec 18 7:06:32 1996    <harrison@samba.cs.wustl.edu>

        * ace/Proactor.cpp (handle_events): Once again removed the
          timer_skew_ code.  Changed the ACE_HANDLE global_handle_ to
          ACE_Manual_Event shared_event_.  Added a constructor that takes
          an ACE_Timer_Queue *.  Changed the implementation to use an
          ACE_OS::sleep if only timers are registered.  We need to figure
          out a better approach than the sleep.

        * ace/Service_Config.cpp (run_proactor_event_loop): Changed this
          to only return when an error occurs.  If handle_events returns a
          0, then a timeout occurred, and we can continue to dispatch
          events.  We only return when all of the time has expired.

        * ace/Registry_Name_Space.h (ACE_Registry_Name_Space): Moved the
          include statements below the ACE_WIN32 and UNICODE directives.

        * ace/OS.h (siginfo_t): Added siginfo_t (ACE_HANDLE *handle)
          constructor prototype.

Wed Dec 18 06:37:22 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.i (cond_wait): Added the new algorithm for condition
          variable emulation on Win32. (and VxWorks).  This should fix the
          nasty problems we had with earlier version (which weren't
          "fair").  Thanks to James Mansion, Karlheinz, Detlef, and Irfan
          for helping with this.

        * ace/Registry.h: Removed the "ACE_TURN_NOMINMAX_OFF" stuff
          in order to simplify the code.  Thanks to Irfan for this.

        * ace/OS.i (sema_post): Added a new overloaded version of
          ACE_OS::sema_post(), which takes a "release count."  This is the
          number of times to release the semaphore.  Note that Win32
          supports this natively, whereas on POSIX we need to loop...

        * ace/Proactor.cpp (handle_events): Changed the Proactor logic so
          that it will correctly propagate any errors that occur to the
          handle_{input,output}_complete callback.

Tue Dec 17 20:56:56 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/OS.{h,i}: on VxWorks: implemented ACE_OS::gethostbyname (),
          and fixed inet_ntoa () to return -1 on failure

        * ace/OS.cpp: in ::spa () for VxWorks, zero out unused argv[]
          slots to overwrite args from previous invocations OS.cpp

Tue Dec 17 04:27:07 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/ReactorEx: Added a new feature to the ReactorEx.  If we
          enable the wait_all flag when calling
          ACE_ReactorEx::handle_events() *and* we give an
          ACE_Event_Handler (this is a new final param to the call) then
          the handle_signal() call will be invoked on this
          "wait_all_callback" object when all the handles become signaled.
          Moreover, we pass in the array of signaled handled to through
          the siginfo_t parameter (see the following ChangeLog entry for
          details).  If there is no wait_all_callback param, then all the
          handle_signal() methods are invoked on all the handles.

        * ace/OS.h (siginfo_t): Augmented the siginfo_t interface so that
          we can pass an array of signaled Win32 HANDLEs, in addition to
          just a single HANDLE.  This is used in the ReactorEx.

        * examples/Reactor/ReactorEx/test_reactorEx.cpp: Added a number of
          enhancements to this test program based on discussions with
          Irfan, Karlheinz, Dieter, and Detlef.

        * ace/Task_T.i (msg_queue): If we override the existing definition
          of the Message_Queue in an ACE_Task then we need to delete the
          existing Message_queue (if necessary and mark the Message_Queue
          as no longer being a candidate for deletion (since we have
          supplied our own definition).  Irfan had added this earlier, but
          it seemed to get lost...

        * examples/Reactor/Proactor/test_proactor.cpp: The class called
          STDIN_HANDLEr is misnamed since we don't read from stdin, we
          read from a file.  Therefore, I've changed this to be
          Input_File_Handler.

        * examples/Reactor/ReactorEx/test_{proactor,reactorEx}.cpp:
          Changed misspellings of transfered to transferred.

        * ace/Memory_Pool.cpp (ACE_MMAP_Memory_Pool): Since NT doesn't support
          SIGSEGV thre's no point in even trying to register for this
          signal!

        * ace/OS.i: Reverted some lost UNICODE fixes -- thanks to Irfan
          for finding these.

        * ace/Local_Name_Space_T.cpp (create_manager_i): Removed a
          debug statement since it may be causing problems with printing
          UNICODE.

Mon Dec 16 11:25:55 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.i (cuserid): Fixed the definition to ACE_OS::cuserid() so
          that it uses LPTSTR.  Thanks to Irfan for this fix.

        * ace/Task.cpp (activate): In ACE_Task::activate() there is a possibility to actually 
          "reactivate" the task using the <force_activate> flag. The following 
          illustrates that ability:
     
          if (this->thr_count_ > 0 && force_active == 0)
            return 1; // Already active.
          else
            this->thr_count_ = n_threads; 
     
         The thing is that, when the task is running and we reactivate it 
         (actually we add threads) the command should be:
     
         this->thr_count_ +=  n_threads; 
     
         rather than
     
         this->thr_count_ = n_threads;
     
         That way <this->thr_count_> holds the new number of threads currently 
         associated with the task.  Thanks to Hamual for this fix.

        * ace/OS.i (inet_aton): Placed the return 1 within the curly
          braces to make the HP/UX compiler happy.  Thanks to Kenny Want
          for reporting this.

Mon Dec 16 12:56:43 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/OS.i: removed spurious "*/" after an #endif.  Thanks to
          Harry Gunnarsson <hg@carmenta.se> for reporting this.

        * ace/Svc_Conf_l.cpp: #ifdef'ed out ace_yyunput () and
          ace_yy_{push,pop,top}_state () because they're not used,
          and commented out a few "break"s after "return"s in switch
          statements to prevent compiler warnings.

        * ace/Typed_SV_Message.i: reordered initializations in ctor to 
          match declaration order.

        * examples/Threads/Makefile, performance-tests/Misc/Makefile,
          tests/Makefile:
          Removed "LIBS += -lm" from these Makefiles because it doesn't
          appear to be necessary, and not all platforms have a libm.

        * include/makeinclude/platform_sunos4_g++.GNU, platform_sunos5_g++.GNU,
          platform_sunos5_x86_g++.GNU, platform_unixware_g++.GNU:
          added -lm to LIBS because it was removed from the Makefiles, and
          it's needed with g++.

        * netsvcs/lib/Makefile: removed /pkg/gnu/lib dependencies.  Thanks
          to Per Andersson <Per.Andersson@hfera.ericsson.se> for pointing
          this out.

        * netsvcs/servers/svc.conf: changed _make_ACE_Logger() to
          _make_ACE_Logging_Strategy() svc.conf.  Thanks to Per Andersson
          <Per.Andersson@hfera.ericsson.se> for reporting this.

Sun Dec 15 13:01:17 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/Naming_Context.cpp: reordered initializations in default ctor
          to match declaration order.

        * ace/Svc_Conf_y.cpp: added parens to a couple of combined
          assignments/conditionals to avoid compiler warnings.

        * include/makeinclude/platform_sunos5_sunc++*.GNU: reverted
          SOLINK step back to creating real .so files, because it
          seems to be necessary, sometimes, for template instantiation.

        * netsvcs/lib/Server_Logging_Handler.cpp: removed ACE_INLINE's.

        * tests/MM_Shared_Memory_Test.cpp: declare shm_key as char[]
          instead of char *, so that the string gets put into the data
          segment rather than the text segment.  The string gets modified,
          which causes a core dump with the g++/SunOS5.5 build if the string
          is in the text segment.

Sun Dec 15 10:29:20 1996  Douglas C. Schmidt  <schmidt@flamenco.cs.wustl.edu>

        * netsvcs/servers/svc.conf: Removed the "lib" prefix for the
          netsvcs DLL.  This is now added automatically by the
          ACE::ldfind() operation.

        * ace/SString.cpp (ACE_CString): Removed the #pragmas for Win32.
          They aren't necessary since we should replace the ACE_USHORT16
          cast with a char cast.  Thanks to Amos Shapira <amos@dsi.co.il>
          for reporting this.

Sat Dec 14 14:25:38 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * build/SunOS5.5/tests/UPIPE_SAP_Test.cpp (main): Fixed several
          minor bugs with UPIPE_SAP_Test.cpp.

        * ace/OS.i (thr_join): Added implementations for Solaris threads
          and most versions of POSIX pthreads where ACE_hthread_t and
          ACE_thread_t are the same type!

        * ace/OS: Began adding hooks so that we can eventually move away
          from the current split between ACE_thread_t and ACE_hthread_t
          and unify them via ACE_Thread_ID.

        * ace/{OS,Thread}.h: Changed the interface of thr_getprio() so
          that it takes an int & rather than an int *.

        * ace/OS.i (thr_getprio): Fixed a minor bug for Win32 where we
          weren't depositing the thread priority into the return value!

        * Makefile: Changed the order in which things are built so that
          netsvcs are built right after libACE, followed by the tests.

Sat Dec 14 11:54:22 1996  Douglas C. Schmidt  <schmidt@flamenco.cs.wustl.edu>

        * apps/Gateway/Gateway/Consumer_Map: Change the Consumer_Map class
          so that it was no longer templatized.  There isn't any point in
          doing this since we aren't going to be changing these types for
          this application.

        * apps/Gateway/Gateway: Factored out the code for selecting the
          concurrency strategy into a separate *.h file called
          Concurrency_Strategy.h.

        * apps/Gateway/Gateway: Began revising the Gateway application to
          use the new ACE Event Channel.

        * ace/Svc_Handler: Now that we've got put() and svc() with no-op
          defaults in class ACE_Task_Base, we don't need them in
          ACE_Svc_Handler anymore, so I removed them!

        * ace/Task: Finally got sick of having to provide no-op
          open()/put()/close() routines in all ACE_Task subclasses, so I
          changed these methods from pure virtual to virtual with default
          no-op behavior.  Updated all the tests, as well.

Sat Dec 14 11:39:15 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/{Module,Stream,Svc_Handler,Synch_T,Task_T}.cpp and Synch_T.i:
          removed ACE_INLINE qualifier from functions in .cpp files; in
          the case of Synch_T, moved ACE_INLINE functions from .cpp to .i file

        * apps/Gateway/Gateway/Routing_Table.cpp,
          examples/ASX/Event_Server/Event_Server/Peer_Router.cpp,
          examples/ASX/UPIPE_Event_Server/Peer_Router.cpp:
          removed ACE_INLINEs from .cpp files

        * ace/CORBA_Handler.h and ace/Token_Collection.{h,cpp}:
          changed __INLINE__ to __ACE_INLINE__

        * ace/Svc_Conf_y.cpp:  commented out unused arguments to
          suppress compiler complaints

Fri Dec 13 22:07:11 1996  David L. Levine  <levine@cs.wustl.edu>

        * include/makeinclude/platform_sunos5_sunc++*.GNU: replaced
          SOLINK step in build of shared objects for SunOS5 with SunC++
          with symlink from .so to .o file.

        * ace/config-vxworks*.h: added ACE_NEEDS_SYSTIME_H to VxWorks
          configs because it's needed with inlining

        * include/makeinclude/platform_vxworks*.GNU: cleaned up VxWorks
          config files

Fri Dec 13 00:53:34 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace: Replaced all uses of 
        
          #if defined (.....) // ....
          
          with
          
          #if defined (.....) /* ... */

          so that broken C++ compilers won't complain.  Thanks to
          John Cosby <John.D.Cosby@cpmx.saic.com> for reporting this.

        * ace/Thread.i: Updated the signature of getprio() and setprio()
          so that they take ACE_hthread_t.  Thanks to Wayne Vucenic
          <wvucenic@netgate.net> for finding this.

        * Reran all the tests on NT and Solaris.  Everything seems to
          work.  Therefore, incremented the version number to 4.1 and put
          it out for ftp and http.

Thu Dec 12 18:51:04 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * tests/Priority_Task_Test.cpp (svc): Added a new test to exercise
          the new "priority" feature of ACE_OS::thr_create()
          (which is also available to ACE_Task).

        * ace/Thread: Added getprio() and setprio() methods to ACE_Thread.

Fri Dec 13 13:44:12 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/config-vxworks*.h: added ACE_NEEDS_SYSTIME_H to VxWorks
          configs because it's needed with inlining

        * include/makeinclude/platform_vxworks*.GNU: cleaned up VxWorks
          config files

Thu Dec 12 18:51:04 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace: Added a new macro called ACE_UNUSED_ARG() to keep 
          the compiler from outputting warnings about unused
          arguments.  So far, this is mostly done for Win32, but it
          should be easy to do it for other compilers.  Thanks
          to Matthias for these changes.

        * ace/OS.cpp: Added support so that thread priorities will
          automatically be set when we spawn threads using
          ACE_OS::thr_create().

        * ace/OS.cpp: Simplified the logic for handling NULL thr_handles
          and thr_ids.  Now, we set all this stuff in one place at the
          beginning of the function, rather than recomputing it all over
          the place.

        * ace/config-aix-{3.2.5,4.1.x}.h: Added the
          ACE_HAS_RECURSIVE_THR_EXIT_SEMANTICS flag.

        * ace/Thread_Manager.cpp (ACE_Thread_Control): Conditionally
          compiled the logic for calling this->exit() in the destructor
          for ACE_Thread_Control so that we only make this call if
          ACE_HAS_RECURSIVE_THR_EXIT_SEMANTICS is *not* set.  This will
          prevent infinite recursion on platforms like AIX.  Thanks to
          Chris Lahey for reporting this.

        * apps/Gateway/Gateway/Channel.cpp (recv_peer): Added the logic
          that makes sure we don't get screwed up by partial headers.
          Thanks to Chris Cleeland for this.

Thu Dec 12 20:55:02 1996  David L. Levine  <levine@cs.wustl.edu>

        * include/makeinclude/platform_sunos5_sunc++*.GNU: removed
          SOLINK step in build of shared objects for SunOS5 with SunC++:
          it's not necessary.

Thu Dec 12 03:48:26 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/Naming_Context: Modified ACE_Naming such that on Win32, you
          can use ACE_Registry_Name_Space.
        
        * ace/Registry_Name_Space: ACE_Registry_Name_Space is a Name_Space
          which uses ACE_Registry as the persistence mechanism.  Win32
          clients of ACE_Naming can now start using (the more robust and
          reliable) Registry persistence without any major code changes.

        * tests/Naming_Test.cpp: Added the use of Registry_Name_Space to
          the test if we are on Win32 and UNICODE is turned on.

        * examples/Registry: Fixed UNICODE behavior of the tests

Wed Dec 11 20:33:28 1996  Douglas C. Schmidt  <schmidt@lindy.cs.wustl.edu>

        * ace/Synch_T.h: Added a warning that indicates why it isn't
          possible to use ACE_Process_Condition<ACE_Process_Mutex> on
          Win32...

        * tests/TSS_Test.cpp: Moved the Errno class to a file
          TSS_Test_Errno.h and replaced the Errno class with the #include
          "TSS_Test_Errno.h" to work around "features" with AIX C++'s
          template instantiation scheme.

        * ace/OS.i (inet_aton): Replaced the use of ((ACE_UINT32) -1) with
          ((ACE_UINT32) ~0).  I expect this is more portable...

        * tests/run_tests.bat: Added "Service_Config_Test" to the
          run_tests.bat file.

Tue Dec 10 22:59:26 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * tests: Added Service_Config_Test to Win32 makefiles.

        * ace/OS.i (inet_aton): We need to cast htonl to (long)

        * tests: Added/Fixed UNICODE behavior of the following:

          MM_Shared_Memory_Test.cpp
          Mem_Map_Test.cpp 
          Mutex_Test.cpp
          Naming_Test.cpp 
          Process_Mutex_Test.cpp 
          SPIPE_Test.cpp
          Time_Service_Test.cpp 
          Tokens_Test.cpp 
          UPIPE_SAP_Test.cpp

        * netsvcs/lib: Added/Fixed UNICODE behavior of the following:
          ACE_TS_Clerk_Processor::poolname_
        
Tue Dec 10 00:33:08 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * tests/Service_Config_Test.cpp (main): Added a new method called
          run_test() to ensure that ACE_Service_Config daemon is destroyed
          before we try to end the test.

        * ace/OS.i (inet_aton): We need to cast -1 to (ACE_UINT32).

        * tests/Process_Mutex_Test.cpp (main): Added a minor change to
          make gcc happy by moving the definition of int i *outside* the
          loop.  Thanks to Thilo Kielmann
          <kielmann@informatik.uni-siegen.de> for reporting this.

        * ace/OS.h: gcc complains about memcmp, memcpy, strcmp, and strcpy
          (from ACE_OS::) being used before defined inline.  This is due
          to the include of SString.h at the end of OS.h.  So I reordered
          things in accordance to the changes from Thilo Kielmann
          <kielmann@informatik.uni-siegen.de>.

        * build/SunOS5.5/examples/Shared_Malloc/test_multiple_mallocs.cpp:
          Changed the definition of char *base_addr to void *base_addr.

        * ace/Memory_Pool.cpp (ACE_MMAP_Memory_Pool_Options): Changed the
          definition of char *base_addr to void *base_addr.

        * Put out what is hopefully the final beta release of 4.0.33.

        * ace/Message_Queue: Added the enqueue() method again to maintain
          backwards compatibility.  Thanks to Karlheinz for pointing out
          the need for this.

        * ace/Service_Config.h: The svc.conf factory functions were 
          begin defined as extern "C", but the function pointer defined in
          the ACE_Static_Svc_Descriptor struct is not declared as extern
          "C", therefore, there was a mismatch.  Here's how to fix this:

          In Service_Config.h, before the struct ACE_Static_Svc_Descriptor
          add:
 
          extern "C" {
            typedef ACE_Service_Object *(*ACE_SERVICE_ALLOCATOR)(void);
          }
 
          Then in the struct alloc_ field was changed as follows:
 
          from:  ACE_Service_Object *(*alloc_)(void);
          to:    ACE_SERVICE_ALLOCATOR alloc_;
 
          Thanks to Chuck Gehr for this.

        * ace/Memory_Pool.cpp (commit_backing_store_name): Changed uses of
          "counter" from int to size_t to remove warnings.

        * ace/ACE.cpp: Reimplemented the ACE::daemonize() method to
          conform to the latest version in Richard Steven's new UNP book.

        * ace/INET_Addr.cpp (set): Replaced the use of ACE_OS::inet_addr()
          with ACE_OS::inet_aton().  Thanks to W. Richard Stevens for this
          idea ;-).

        * ace/OS: Added a new function called inet_aton(), which is based
          on a new POSIX socket addressing function that is non-ambiguous
          in its return value (unlike inet_addr).

        * tests: Added a new Service_Config_Test.cpp to make sure that the
          timeout features mentioned below work.

        * ace/Service_Config.cpp: Changed the implementation of
          run_{reactor,proactor,reactorEx}_event_loop so that it returns
          if the corresponding handle_events() method times out.
          Thanks to Phil Logan <phill@in.ot.com.au> for reporting
          this.

        * ace/LSOCK_Stream: Moved get_remote_addr() from the private part
          of the class and implemented it using get_local_addr().  This
          fixes problems that previously occurred when using the
          ACE_Connector with ACE_LSOCK_Stream.  Thanks to Stuart Powell
          <stuartp@in.ot.com.au> for this suggestion.

Mon Dec  9 22:03:30 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * examples/Threads: Updated the test.mak and test.mdp files to
          reflect the new name changes.  Thanks to Matthias for this.

        * ace/ACE.cpp (ldfind): Added new code that will work if the
          "base" part of the filename to look for is the same on both UNIX
          and NT. The library name will be made up of three parts
          [ACE_DLL_PREFIX]base part[ACE_DLL_SUFFIX], where prefix is "lib"
          on UNIX and nothing on NT and suffix is ".dll" on NT and ".so"
          on UNIX. If either prefix or suffix are missing from the
          filename you supply to ldfind they will be added
          automagically. This all will work independent from the pathname,
          which will be treated completely separately from the filename
          and can contain either UNIX style or NT style separators.

          Examples:
          Source               NT                       UNIX
          ===============================================================
          netsvc               netsvc.dll               libnetsvc.so
                               (PATH will be evaluated) (LD_LIBRARY_PATH evaluated)

          libnetsvc.dll        libnetsvc.dll            libnetsvc.dll + warning
          netsvc.so            netsvc.so + warning      libnetsvc.so 

          ..\../libs/netsvc    ..\..\libs\netsvc.dll     ../../libs/libnetsvc.so
                               (absolute path used)         (absolute path used)

          The first and the last of these 4 examples is the way the new
          functionality is supposed to be used. You simple supply the
          pathname and the base part of the filename and ldfind will
          figure everything out.

          Thanks to Tilo Chris for this code.

        * ace/OS.h: Added a new macro called ACE_DLL_PREFIX, which is
          defined to "" on Win32 and "lib" on UNIX.  Thanks to Tilo for
          this.

        * ace/Reactor.cpp (detach): After further thought, I 
          have commented out the
          
          eh->reactor (0);
          
          call since I don't think we really need it.

        * ace/Reactor.cpp (detach): There was a problem with
          ACE_Reactor::detach().

          The following lines:

          // Reinitialize the Reactor pointer to 0.
          eh->reactor (0);

          should be moved before:

          eh->handle_close (handle, mask);

          This will render the reactor handle not available in the
          handle_close method but at least handle_close can delete itself.
          Thanks to Luca for reporting this.

        * examples/Reactor/Ntalker: Replaced the use of ACE_OS::getopt()
          with the ACE_Get_Opt iterator.  Thanks to Alexandre Karev
          <Alexandre.Karev@cern.ch> for suggesting this.

        * ace/OS.h: Moved the #endif /* ACE_HAS_DCETHREADS ||
          ACE_HAS_PTHREADS */ once again in order to make sure that the
          right things happen when #if defined (ACE_HAS_THREADS) is
          *false*.  Thanks to Robert Lyng <RLyng@msmail.hsii.ccare.com>
          for reporting this.

Mon Dec  9 02:06:48 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/SString: Made accessors return const references.

        * ace/OS.h: Added macro ACE_WIDE_STRING which allows the
          conversion of char* to wchar_t* when UNICODE is turned on.
        
        * ace: Added/Fixed UNICODE behavior of the following:

          /* Local_Name_Space */
          ACE_Local_Name_Space_T::context_file_
        
          /* ACE */
          ACE::basename
        
          /* Token */
          ACE_Token::ACE_Token 

          /* Synch */
          ACE_File_Lock::ACE_File_Lock

          /* SPIPE_Addr */
          ACE_SPIPE_Addr::addr_to_string
          ACE_SPIPE_Addr::set   
        
          /* FILE_Addr */
          ACE_FILE_Addr::addr_to_string
        
          /* DEV_Addr */
          ACE_DEV_Addr::addr_to_string
        
          /* Addr */
          ACE_Addr::addr_to_string
          ACE_Addr::string_to_addr
          Note: These two were removed from the base class since they are
          not common to all Address classes.
          
          /* Malloc */
          ACE_Allocator_Adapter::ACE_Allocator_Adapter
          ACE_Malloc::ACE_Malloc
        
          /* Process */
          ACE_Process::start
        
          /* Shared_Memory_MM */
          ACE_Shared_Memory_MM::ACE_Shared_Memory_MM
          ACE_Shared_Memory_MM::open

          /* Proactor */
          ACE_Overlapped_File::ACE_Overlapped_File
          ACE_Overlapped_File::open

          /* Log_msg */
          ACE_Log_Msg::open

          /* Naming_Context */
          ACE_Name_Options::namespace_dir
          ACE_Name_Options::process_dir
          ACE_Name_Options::database

          /* Registry */
          ACE_Predefined_Naming_Contexts::connect
          ACE_Predefined_Naming_Contexts::is_local_host

          /* SString */
          ACE_CString::ACE_CString
          
          /* Mem_Map */
          ACE_Mem_Map::ACE_Mem_Map
          ACE_Mem_Map::map
        
          /* Service_Config */
          ACE_Service_Config::logger_key_

          /* System_Time */     
          ACE_System_Time::ACE_System_Time 
        
          /* Memory_Pool */
          ACE_Sbrk_Memory_Pool::ACE_Sbrk_Memory_Pool
          ACE_Shared_Memory_Pool::ACE_Shared_Memory_Pool 
          ACE_Local_Memory_Pool::ACE_Local_Memory_Pool
          ACE_MMAP_Memory_Pool::ACE_MMAP_Memory_Pool 
          ACE_Lite_MMAP_Memory_Pool::ACE_Lite_MMAP_Memory_Pool
        
          /* OS */
          ACE_OS::strstr
          ACE_OS::strdup
          ACE_OS::hostname        
          ACE_OS::open    
          ACE_OS::unlink
          ACE_OS::dlopen
          ACE_OS::dlsym
          ACE_OS::cuserid
          ACE_OS::fork_exec
          ACE_OS::sprintf
          ACE_OS::access
          ACE_OS::fopen
          ACE_OS::getenv
          ACE_OS::system
          ACE_OS::mkdir
          ACE_OS::mktemp        
        
Sun Dec  8 19:00:45 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Reactor.cpp (handle_events): Updated this method to use the
          ACE_Countdown_Time::update method after the mutex has been
          acquired.

        * ace/Time_Value.cpp (update): Added an ACE_Countdown_Time::update
          method that calls stop and start.  This is useful for methods
          such as ACE_Reactor::handle_events that need to update timeout
          values after acquiring locks, but before waiting on the
          demultiplexing mechanism (e.g. select).

        * ace/ReactorEx.cpp (handle_events): Modularized the
          implementation of handle_events.  Now it uses helper functions
          to significantly simplify the implementation.  Also updated the
          header file documentation.

        * ace/Timer_Queue: Added a timer_skew_ data member and accessor
          methods to ACE_Timer_Queue.  Also added an expire method that
          calls gettimeofday and adds the timer_skew_ for you.  These
          changes will help simplify Reactor, Proactor, and ReactorEx
          code.

        * ace/Reactor : Removed timer_skew_.  This code now just calles
          timer_queue->expire () with no parameters.  Very clean.

        * ace/ReactorEx : Removed timer_skew_ code.

        * ace/Proactor : Removed timer_skew_ code.

        * examples/Proactor/test_proactor.cpp: Fixed this application so
          that it exits when all the data has been sent and received.
          Previously, it used a cool timeout mechanism to "guess" when all
          the data had been received.  Ahh, but we can't have too much
          fun, or people start to get nervous.

        * ace/Service_Config.cpp (run_reactorEx_event_loop (Time_Value)):
          Fixed the implementation of this method.  It now handles
          reactorEx events until end_reactorEx_event_loop is called, or
          the specified time value expires.  Also fixed the
          run_proactor_event_loop (Time_Value) method.

        * examples/ReactorEx/test_timeout.cpp:  Added a new example
          application that shows how to use
          Service_Config::run_reactorEx_event_loop with timeouts.  Check
          the examples/ReactorEx/README file for more details.

        * examples/Proactor/test_timeout.cpp:  Added a new example
          application that shows how to use
          Service_Config::run_proactor_event_loop with timeouts.  Yes, this
          screams for common dispatcher interfaces for Reactor, Proactor,
          and ReactorEx.

Sun Dec  8 10:27:19 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Service_Manager.cpp (init): Changed all uses of "int port"
          to "u_short port" to be consistent with socket types.

        * ace/ACE.cpp (bind_port): Changed all uses of "int port" to
          "u_short port" to be consistent with socket types.

        * ace/Remote_Name_Space.cpp: Changed all uses of "int port" to
          "u_short port" to be consistent with socket types.

        * ace/SV_Semaphore_{Simple,Complex}: Changed all uses of "int n"
          to "u_short n" to be consistent with the SYSV types!

        * ace/OS.h: Moved the location of the ACE_HAS_USING_KEYWORD macros
          until *after* we #include "ace/Time_Value.h".  Thanks to
          Matthias for this.

        * ace/Signal.cpp: Finished implementing the
          ace_signal_handlers_dispatching logic, which wasn't done
          entirely earlier.  Thanks to Alexandre Karev
          <Alexandre.Karev@cern.ch> for reporting this.

        * netsvcs/servers/main.cpp (main): Fixed several small bugs in the
          netsvcs main test program.  Thanks to Alexandre Karev
          <Alexandre.Karev@cern.ch> for finding this.

        * ace/Reactor: Removed the timer_skew_ data member from the 
          ACE_Reactor since this is now covered by the
          ACE_Timer_Queue.

        * ace/Reactor.cpp (handle_events): Added the new version of the
          ACE_Countdown_Time to simplify the code.

        * ace/Time_Value: Added a new class called ACE_Countdown_Time,
          which is used by the Reactor, ReactorEx, and Proactor to keep
          track of how much time elapsed.

        * ace/config-win32-msvc4.0.h: Added a change that forces the MSVC
          compiler to reference the proper Winsock - lib during linking of
          ACE.  This change is necessary because a) in the release version
          the link to the winsock.lib was completly missing and b) only
          wsock32.lib has been included (which is wrong when WinSock2 is
          used).  Thanks to Matthias for this.

        * ace/Module.cpp (ACE_Module): Added code to zero-out the
          q_pair_[2] pointers.  Thanks to Matthias for this.

        * tests: Removed the argv name from most main() functions so that
          we don't get warnings...

        * examples/Threads: Fixed some errors in the threads examples
          directory, most of which are ambigious overloads.  Also included
          a (MSVC 4.1) makefile for all tests in this directory.  Thanks
          to Matthias for this.

        * examples/Threads: Renamed all the files by removing the word
          "test_" at the beginning.  This is redundant!

        * tests/TSS_Test.cpp: If we are running AIX (i.e., if
          ACE_TEMPLATES_REQUIRE_PRAGMA), then conditionally avoid
          compiling this test program because it doesn't work unless we
          split off class Errno due to AIX's rules for generating
          templates.  This is too much work to get right...

        * ace/OS.i (thr_self): Updated the conditional compilation tests
          so that we check for ACE_HAS_THREAD_SELF first.  Thanks to Chris
          Lahey for this.

        * ace/{config-osf1-3.2.h,config-aix-4.1.x.h}: Updated this file so
          that is has the new ACE_HAS_THREAD_SELF macro, which indicates
          that the platform uses thread_self() rather than pthread_self().

        * ace/config-aix-4.1.x.h: According to Chris Lahey
          <Chris_Lahey@cccis.com>, AIX 4.1.x should have ACE_HAS_PTHREADS
          rather than ACE_HAS_DCETHREADS.

        * ace/Thread_Manager: Removed the thread_descriptor_i() methods
          and replaced them by generalizing the find() method to become
          find_thread() and find_hthread().  Thanks to Hamutal Yanay
          <Hamutal_Yanay@mail.icomverse.com> for suggesting this.

Sun Dec  8 14:39:53 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Timer_Queue: Added a timer_skew_ data member and accessor
          methods to ACE_Timer_Queue.  Also added an expire method
          that calls gettimeofday and adds the timer_skew_ for you.  These
          changes will help simplify Reactor, Proactor, and ReactorEx
          code.

Sat Dec  7 01:14:04 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * tests/Process_Mutex_Test.cpp: Added new test which checks the
          functionality of a ACE_Process_Mutex.  Abandoned mutexes can be
          created by selecting the correct command-line arguments.

        * examples/Reactor/ReactorEx/test_reactorEx.cpp: Reverted back to
          old scheme which does not utilize traits.

        * ace/Task_T.h: Removed the synchronization trait in Task. This is
          because template typedefs are only supported by a few
          platforms. Sigh ;-)

Sat Dec  7 16:55:37 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Thread_Manager.cpp: Because thread_descriptor_i() only returns 
          0 or -1 on failure the code for
          ACE_Thread_Manager::thr_self(ACE_hthread_t &) should read:

          if (-1 == this->thread_descriptor_i (id, td)) 
            return -1;                                  
          handle = &td.thr_handle_;                             
 
          Thanks to Matthias for reporting this.

        * ace/OS: Added a new static instance of ACE_thread_key_t to work
          around the pthreads implementation on MVS (which doesn't store
          TSS keys as ints!).  Thanks to Chuck Gehr for reporting this.

        * ace/config-mvs.h: Added #define ACE_TEMPLATES_REQUIRE_SOURCE for
          MVS C++.  Thanks to Chuck Gehr for reporting this.

        * ace/Signal.cpp: ace_dispatcher was being set to
          ace_signal_handlers_dispatch() which calls
          ACE_Sig_Handlers::dispatch (when ACE_HAS_SIC_C_FUNC is defined),
          whereas it was set to ACE_SigHanlder::dispatch (no s) if not
          defined.  I intended to set this to ace_signal_handler_dispatch
          (no s).  Thanks to Chuck Gehr for reporting this.

        * ace/Makefile: Fixed a small typo where I wasn't matching char
          *getenv in the sed regular expression.

        * ace/{OS,Synch}: Moved various classes around so that things will
          compile correctly when ACE_WIN32 is defined but ACE_HAS_THREADS
          is *not* defined.  Thanks to Robert Lyng
          <RLyng@msmail.hsii.ccare.com> for reporting this.

Sat Dec  7 16:55:37 1996  Matthias Kerkhoff <make@cs.tu-berlin.de>

        * ace/Module: Added some values to the enum so Module clients
          can decide whether the reader, the writer or both should be
          automatically deleted.

        * ace/{Stream,Module,Task}: Changed some function arguments
          from u_long to int (because enums are represented as ints).

        * ace/Task: Added a new virtual function to ACE_Task_Base
          (module_closed), which by default calls
          ACE_Task_Base::close(1). Please note the changed flags
          argument. This allows clients to differ between calls
          originated from a Module and/or Stream from those which
          result from ~ACE_Task_Exit().  ~ACE_Task_Exit() calls
          ACE_Task_Base::close(0).  This may be or not be a problem to
          existing applications. It may (hopefully not)
          be neccessary to change ACE_Task_Base::module_close back to
          calling ACE_Task_Base::close(0). 

Fri Dec 06 14:44:20 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/OS.cpp: added ::spa () function to allow command line args
          to be passed to programs in VxWorks

        * ace/OS.i: (ACE_OS::gettimeofday):  VxWorks returns nsec instead
          of usec, so convert

Fri Dec  6 01:21:48 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * examples/Reactor/ReactorEx/test_reactorEx.cpp: Rewrote the
          example such that the test now uses the new Notification
          Strategy scheme in ACE.  This allows a message queue consumer to
          wait in ReactorEx without spawning a new thread, or creating
          extra Win32 events.  This make the example smaller and much
          cleaner.

        * ace/Task_T.h: Added synchronization trait to Task.

        * ace/Task_T.i (msg_queue): Added a check to delete the old
          message_queue if we had created it.

        * ace/ReactorEx.cpp (remove_handler): Removed the call to set
          reactorEx of the event handler to zero becauses the event
          handler  may no longer be there after the handle_close()
          completes. 

Thu Dec 05 21:18:49 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/OS.cpp (thr_create): Oops, needed to add another check if
          thr_id == 0 before assigning *thr_handle = *thr_id, for systems
          such as Solaris 2.4 that don't have PTHREADS.

Wed Dec  4 09:09:56 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/Log_Msg.cpp (log):  added printout to stderr before call
          to exit().  Silent calls to exit() are bad :-}

        * performance-tests/Synch-Benchmarks/Options.cpp (print_results):
          only use rusage if ACE_HAS_PRUSAGE_T is #defined

        * examples/IPC_SAP/SOCK_SAP/CPP-in{client,server}.cpp:
          use blocking connect on VxWorks

        * ace/config-vxworks*.h: added ACE_LACKS_MPROTECT and
          ACE_HAS_STRERROR

        * include/makeinclude/platform_vxworks*: removed INCLDIRS and
          added indlib.o to GreenHills LIBS

        * Makefile (cleanrelease and release): changed "rm -r" of
          ACE.tar.gz to "rm -f", that's probably what was meant

Wed Dec  4 00:27:07 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/config-win32-msvc*.0.h: Added NOMINMAX.

        * ace/Registry: Removed NOMINMAX and
          VC_PLUS_PLUS_NESTED_CLASS_PROBLEM flags from the header file.
          The VC_PLUS_PLUS_NESTED_CLASS_PROBLEM flag is no longer needed
          and NOMINMAX is defined at the project level.  Thanks to
          Matthias Kerkhoff <make@cs.tu-berlin.de> for suggesting this. 

Mon Dec  2 14:13:44 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace: Changed all occurrences of ACE_Event_Handler
          reactorex() to reactorEx() to be consistent.  Thanks to
          Matthias for suggesting this.

        * ace/Message_Queue.cpp (close): We didn't allocate the memory for
          the notification_strategy_, so we darn well can't delete it!
          Thanks to Matthias for finding this.

        * ace/Log_Msg.cpp (ACE_TSS_cleanup): Made the ACE_TSS_cleanup
          function extern "C" for MVS C++ and compilers like it...  Thanks
          to Chuck Gehr for reporting this.

        * tests/Naming_Test.cpp (main): Added delete ns_context to close
          things down and free up the semaphores.  Thanks to David Levine
          for suggesting this.

        * examples/Reactor/Misc/test_demuxing.cpp (handle_input): Fixed a
          "typo" where we were accessing mb->msg_priority() *after*
          deleting it!  Thanks to Matthias for finding this.

Mon Dec  2 09:57:15 1996  David L. Levine  <levine@cs.wustl.edu>

        * tests/run_tests.*: updated lists of tests to be run

        * tests/*.cpp: removed trailing .cpp from argument to
          ACE_START_TEST because it would appear in the log file name

Mon Dec  2 00:08:51 1996  Douglas C. Schmidt  <schmidt@lambada.cs.wustl.edu>

        * ace/Log_Record.cpp (dump): There was an error on line 19 of
          Log_Record.cpp: 

          ACE_DEBUG ((LM_DEBUG, "\npid_ = %s\n", this->pid_));

          should be changed to:

          ACE_DEBUG ((LM_DEBUG, "\npid_ = %d\n", this->pid_));

          Thanks to Sandro Doro <alex@aureus.sublink.org> for reporting
          this.

        * examples/Reactor/Misc/test_handle_set.cpp: Updated the test to
          remove a warning caused by sloppy nesting of loop counters.

Mon Dec  2 00:23:23 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/Strategies.{h,cpp}: Update the base-class and added
          documentation.

        * tests/test_config.h: Added ACE_INIT_LOG, ACE_APPEND_LOG and
          ACE_APPEND_LOG to facilitate the appending of log messages to a
          file.  Also changed Pipe_Test to use this new mechanism.

        * test/Naming_Test: Changed test to use "lite" implementation to
          speed things up. 

        * netsvcs/lib: Fixed multiple type mismatch warnings.
        
        * ace/ReactorEx: Fixed syntax errors in recently modified
          ReactorEx.* files

        * ace/ace.{mdp.mak}: Added Strategies.cpp to VC++ makefile.

Sun Dec  1 19:19:02 1996  Douglas C. Schmidt  <schmidt@lambada.cs.wustl.edu>

        * ace/Service_Config: Moved the #inclusion of ace/Proactor.h and
          ace/ReactorEx.h from the *.h file to the *.cpp file to avoid
          problems with circular dependencies.

        * ace/Reactor: Added a new parameter to the Reactor's
          initialization methods so that we can install a subclass of
          ACE_Timer_Queue.  This is in anticipation of Tim's new
          "real-time" implementation of a timer queue.

        * ace/Reactor: Changed the internal Reactor name
          ACE_Notification_Handler to ACE_Reactor_Notify to be consistent
          with the ACE_ReactorEx_Notify class.

        * examples/Reactor/Misc/test_demuxing.cpp: Revised this test so
          that it now illustrates the new notification mechanism of the
          ACE_Message_Queue class.

        * examples/Reactor/Misc: Changed the name of the signal_tester.cpp
          file to test_demuxing.cpp, which is really what this does.

        * ace/{Strategies,Message_Queue}: Created a suite of
          "Notification Strategies" that are used with the new
          ACE_Message_Queue notification scheme.  This works as
          follows:

          1. There's a new virtual hook method on ACE_Message_Queue
             called notify().  Whenever a new Message_Block is
             enqueued the notify() hook is called.  By default, this
             does nothing. 

          2. If you want to do something with the notify() hook, you
             have two choices:
   
                a. You can subclass from ACE_Message_Queue and
                   override this method.  This is an example of the
                   "Template Method" pattern. 

                b. You can configure an ACE_Notification_Strategy *
                   into an ACE_Message_Queue.  An
                   ACE_Notification_Strategy is the vehicle for
                   extending the behavior of ACE_Message_Queue wrt
                   notification *without subclassing*.  Thus, it's an
                   example of the Bridge/Strategy patterns. 
      
          3. ACE_Notification_Strategy is defined in
             ace/Strategies.{h,cpp}. There are two pre-defined
             subclasses: 
  
                a. ACE_Reactor_Notification_Strategy -- integrates the
                   ACE_Message_Queue notification into the
                   ACE_Reactor::notify() method.

                b. ACE_ReactorEx_Notification_Strategy -- integrates
                   the ACE_Message_Queue notification into the
                   ACE_ReactorEx::notify() method.

          Both of these can be used almost identically in order to 
          seamlessly integrate multiple threads of control, inserting 
          ACE_Message_Blocks in one or more ACE_Message_Queues, with
          the various ACE event demultiplexors (i.e., ACE_Reactor 
          and ACE_ReactorEx).

        * ace: Created a new pair of files called Strategies_T.cpp and
          Strategies_T.h and move the template ACE_*Strategies classes
          into those files.  This was necessary since there are now new
          non-template notification strategies in Strategies.{h,cpp}.

        * ace/Message_Queue: Created a new "notification hook" mechanism
          that makes it possible for event demuxers (like ACE_Reactor and
          ACE_ReactorEx) to be informed automatically when a Message_Block
          is inserted into the Message_Queue.  This is useful for
          sitations where you'd like to integrate multiple threads (each
          of which is pumping data into an ACE_Message_Queue) with an
          ACE_Reactor or an ACE_ReactorEx.  Thanks to Matthias Kerkhoff
          <make@cs.tu-berlin.de> and Luca for suggesting this.

        * ace/Synch.h: Modified the implementation of
          ACE_Null_Condition_Mutex::wait() so that it always returns -1
          and sets errno to ETIME.  This reflects the fact that if you'll
          never be awakened if you "sleep" on a Null_Condition...

        * ace/ReactorEx: Generalized the ACE_ReactorEx so that its
          notify() method now behaves like the ACE_Reactor, i.e., it can
          queue up ACE_Event_Handlers that are dispatched in the ReactorEx
          thread of control.

        * tests: Renamed the Shared_Memory_MM_Test.cpp to
          MM_Shared_Memory_Test.cpp and remove the
          Shared_Memory_SV_Test.cpp since it was redundant to the
          SV_Shared_Memory_Test.cpp.

        * tests/SV_Shared_Memory_Test.cpp (main): Revised the SVSV IPC
          shared memory test to be more robust.

        * ace/SV_Semaphore_Simple.cpp (open): If the char *name == 0 then
          use ACE_DEFAULT_SEM_KEY instead.

        * ace/Memory_Pool: Generalized the ACE_Shared_Memory_Pool so that
          there can be more than 1 shared memory pool active at a time
          (similar to what we did for ACE_MMAP_Memory_Pool).

        * ace/Memory_Pool.h: There was an unnecessary
          ACE_SV_Semaphore_Complex in ACE_Shared_Memory_Pool that was left
          over from earlier days.  I've removed this.

        * ace/Memory_Pool.cpp (ACE_Shared_Memory_Pool): Revised
          the constructor so that if we get a NULL pool_name we'll
          initialize the 

        * examples/Makefile: Added the System_V_IPC and Shared_Memory
          directories.

        * ace/Message_Queue.h: Added a virtual destructor to
          ACE_Message_Queue so that it can be destroyed appropriately,
          even if subclassed.

        * ace/Message_Queue.h: Renamed enqueue() to enqueue_prio() to be
          consistent with the other names (e.g., enqueue_head() and
          enqueue_tail().  Updated the test programs to reflect this.

Sun Dec  1 12:06:46 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/config-vxworks*.h: Removed #define ACE_HAS_STRBUF_T:
          copy and paste error

Sun Dec  1 00:15:45 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/OS.h: ACE_NEW_RETURN and ACE_NEW were reverted back to the
          old implementation.  This is temporary till the infinite loop
          problem with ACE_ERROR, ACE_DEBUG and ACE_TRACE being called
          from ACE_Log_Msg::instance() is fixed.

        * ace/Synch.h: Repositioned ACE_Semaphore such that there are no
          problems in compiling ACE_Process_Semaphore under Win32. 

        * ace/config-win32-msvc4.0.h: Changed ACE_HAS_STL to
          ACE_HAS_STANDARD_CPP_LIBRARY which is more descriptive (and what
          is expected by stdcpp.h).

        * ace/Registry.h: Added the setting of NOMINMAX and
          VC_PLUS_PLUS_NESTED_CLASS_PROBLEM flags so that STL behaves
          properly.

        * ace/Log_Msg.cpp (open): Fixed a small bug such that msg_ostream
          is only set this to cerr if it hasn't already been set.

        * STL: Updated the STL directory will latest code from
          http://www.rahul.net/terris/ and also added the original
          readme2.stl file.  Created ACE_Changes which has the list of
          changes made to the STL distribution.

Sat Nov 30 12:02:00 1996  Douglas C. Schmidt  <schmidt@lambada.cs.wustl.edu>

        * ace/OS.h: Added a new pragma that disables warning #4097 in
          MSVC++ (typedef-name used as synonym for class-name).  This
          keeps Win32 clients from getting warning on Win32.  Thanks to
          Matthias Kerkhoff <make@cs.tu-berlin.de> for this.

        * ace/Log_Msg.cpp: Created a new macro called ACE_NEW_RETURN_I,
          which is used withing ACE_Log_Msg::instance().  We can't afford
          to call ACE_LOG_MSG->instance() from within
          ACE_Log_Msg::instance() or else we will recurse infinitely!
          Thanks to Irfan for finding this.

        * ace/OS.i (mprotect): Added a #if !defined (ACE_LACKS_MPROTECT)
          conditional compilation directive to support the EPLX real time
          OS from CDC (based on LYNX).  Thanks to Alexandre Karev
          <karev@cern.ch> for reporting this.

Sat Nov 20 12:23:45 1996  Prashant Jain  <pjain@merengue.cs.wustl.edu>

        * tests/Naming_Test.cpp (main): Added code that creates a unique
          backing store name and removes the backing store every time
          the test is run.

Fri Nov 29 12:54:12 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Stream.cpp (open): Changed tail->close() and head->close()
          to delete tail and delete head now that we've got our new
          changes.

        * ace/Module: Moved the destructor from the private part of the
          class to the public part and changed things so that close() no
          longer "deletes this."  This is too confusing and error-prone.
          In addition, changed the Module destructor so that it will try
          to call close() only if close hasn't already been called.

        * ace/Synch.h: Moved ACE_Process_Semaphore out of the
          ACE_HAS_THREADS section since this is available on platforms
          that don't have threads.

        * Now that Log_Msg.h is being #included in OS.h, I removed all
          other #includes of Log_Msg.h throughout the rest of ACE.

        * ace/OS.h: Rearranged the definition of the ACE_NEW and
          ACE_NEW_RETURN macros so that they come at the end of OS.h.
          This enables us to #include "ace/Log_Msg.h" here, as well, so
          that we can make use of the ACE_LOG_MSG macro in the definition
          of ACE_NEW and ACE_NEW_RETURN.

        * ace/Singleton.cpp (instance): Updated the ACE_Singleton
          implementation to use the new ACE_NEW and ACE_NEW_RETURN macros.

        * ace/OS.h: Revised the ACE_NEW and ACE_NEW_RETURN macros so that
          they check to see if the constructor of the newly allocated
          object failed (i.e., by checking the ACE_LOG_MSG->op_status()
          value).

        * tests/Reactors_Test.cpp: Added an ACE_ASSERT() after each
          Reactor we create in order to make sure it worked.

        * tests/Reactors_Test.cpp: Added an ACE_Service_Config daemon
          instance within main() in order to ensure that the Reactor is
          cleaned up appropriately.  This avoids problems with NT 4.0,
          where there seems to be a bug if you don't shut down sockets
          explicitly when the process exits.

        * tests/Pipe_Test.cpp (main): Improved the pipe test so that it
          automatically iterates multiple times in order to test whether
          there are problems with rapidly opening and closing NT socket
          handles...

Thu Nov 28 03:07:48 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * netsvcs: netsvcs.mak and netsvcs.mdp were changed such that
          it becomes easier to find ace.lib while compiling netsvcs.lib.

        * tests/Pipe_Test.cpp: Add more instances of ACE_Pipes to the test
          and also added an option to close down the pipe.

Thu Nov 28 00:53:16 1996  Douglas C. Schmidt  <schmidt@lambada.cs.wustl.edu>

        * ace/config-sunos4-g++.h:  This config file contained two
          exclusive definitions

          #define ACE_HAS_SVR4_SIGNAL_T

          and

          #define ACE_HAS_SUNOS4_SIGNAL_T

          The first one was moved out.  Thanks to Alexandre Karev
          <akg@na47sun05.cern.ch> for reporting this.

        * ace/OS.h:

          #elif defined (ACE_HAS_SUNOS4_SIGNAL_T)

          was changed from

          typedef void (*ACE_SignalHandler)(void);
          typedef void (*ACE_SignalHandlerV)(void);

          to

          typedef void (*ACE_SignalHandler)(...);
          typedef void (*ACE_SignalHandlerV)(...);

          to make gcc happy.  The first one was moved out.  Thanks to
          Alexandre Karev <akg@na47sun05.cern.ch> for reporting this.

        * ace/Pipe.cpp (close): Arrgh!  Fixed a total braino where we
          weren't using ACE_OS::closesocket() to close down the Win32
          ACE_Pipe implementation, which uses sockets...  Thanks to Irfan
          and Tilo for helping me figure this one out!

        * tests/CPP_Test.cpp: Completely reworked this test so that it
          should run correctly on Win32 and UNIX.

Wed Nov 27 16:50:17 1996  Douglas C. Schmidt  <schmidt@lambada.cs.wustl.edu>

        * Put out a new beta of ACE 4.0.33.

        * tests/Mutex_Test.cpp (test): Fixed the test() function so that
          it doesn't use the ACE_Thread_Control unless we explicitly want
          to use threads.

        * tests/test_config.h: Added addition information about the
          process id and thread id of the main thread.

        * ace/Synch.h: Speed things up a bit by conditionally #including
          "ace/SV_Semaphore_Complex.h" only if we are compiling on a
          non-Win32 platform or a POSIX platform.  Thanks to Matthias
          Kerkhoff <make@cs.tu-berlin.de> for this.

        * ace/SV_Semaphore_Complex.h: Incorporated the new ACE_USING
          macro, which is useful if you have
 
          class b {
            a()
          };
 
          class d : private b {
            b::a()                      // still works, but depriciated
            using b::a()                // should be used instead
          };

          Thanks to Matthias Kerkhoff <make@cs.tu-berlin.de> for this.

        * ace/OS.h: Added a new macro called ACE_USING, which is used to
          distinguish between platforms that support namespace "using"
          semantics and those that don't.  Thanks to Matthias Kerkhoff
          <make@cs.tu-berlin.de> for this.

        * examples/Misc/test_XtReactor[12].cpp: Had to add the infamous
          #define String XtString before including Xm/PushB.h. Also, there
          were some references to XtReactor when the class is now
          ACE_XtReactor.  Thanks to Gonzalo Diethelm <gonzo@ing.puc.cl>
          for reporting this.

        * ace/XtReactor.cpp (ACE_XtReactor): timeout_ was not being
          initialized on the constructor, and that caused a core dump.
          Thanks to Gonzalo Diethelm <gonzo@ing.puc.cl> for reporting
          this.

        * ace/SOCK.h: Put the open() call in the protected part of the
          class since we generally don't want clients to call this
          directly.  Thanks to Eric Newton <ecn@clark.net> for pointing
          this out.

        * ace/ACE.cpp: Fixed a bug where sin.sin_family was being set
          rather than sin.sin_len.  Thanks to Chuck Gehr
          <gehr@sweng.stortek.com> for reporting this.

        * ace/ACE.cpp: Enhanced the ACE::{send_n,recv_n} methods so that
          they check to see if errno == EWOULDBLOCK when ACE_OS::send() or
          ACE_OS::recv() returns -1.  If that's the case, then they keep
          iterating.

          Thanks to Mehdi TABATABAI <Mehdi.TABATABAI@ed.gva.sita.int> for
          this suggestion.

        * ace/Log_Msg.h: Fixed ACE_RETURN so that it only has 1 parameter
          if ACE_NLOGGING is enabled.  Thanks to Antonio Tortorici
          <antonio@rh0011.roma.tlsoft.it> for reporting this.

        * ace/config-vxworks*.h: Added ACE_NTRACE macros so that 
          tracing doesn't magically turn on!

        * ace/Task.cpp (activate): the &ACE_Task_Base::svc_run() argument
          needs a cast to ACE_THR_FUNC, because that's what
          ACE_Thread_Manager::spawn_n() requires.  On VxWorks,
          ACE_THR_FUNC functions return an int, while svc_run() returns
          void *.  Thanks to David Levine for this.

        * ace/Thread_Manager.cpp (kill_thr): I was mistakenly passing in
          the thr_handle_ where I should have been passing in the thr_id_.
          In addition, made sure we don't set errno to the wrong value...
          Thanks to Ross Dargahi <rossd@acm.org> for reporting this.

        * ace/{Synch_T,Synch}.h: If we don't actually own the lock
          anymore, don't try to do a release.  Thanks to Jonathan Biggar
          <jon@sems.com> for reporting this bug.

        * ace/ACE.cpp (handle_timed_complete): Added an ex_handles mask so
          that non-blocking connects will work correctly on Win32.  Thanks
          to Antonio Tortorici <antonio@rh0011.roma.tlsoft.it> for
          reporting this fix.

        * ace/Message_Queue.h: Updated the documentation to stress the
          fact that the timeouts are specified in *absolute* time, rather
          than in relative time.  Thanks to Bob Dunmire <bobd@titan.com>
          for reporting this.

        * tests/test_config.h: Modified the ACE_END_TEST macro so that the
          log file is closed.  This works around a problem on VxWorks
          where destructors of static objects don't get closed
          automatically.  Thanks to David Levine for this fix.

        * ace/OS.i (rand_r): Added a fix for Digital UNIX so that rand_r
          works correctly in MT settings.  Thanks to Thilo Kielmann
          <kielmann@informatik.uni-siegen.de> for this.

Wed Nov 27 16:12:00 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Stream.cpp: Fixed a bug in ACE_Stream::open to
          allow applications to specify a tail or a head without
          having to specify both.  This was needed by the ACE_Pipeline
          application since it only needs a Pipeline-specific tail
          (not a head). 

Tue Nov 26 18:00:25 1996  Douglas C. Schmidt  <schmidt@lambada.cs.wustl.edu>

        * ace: Functions should not be declared with ACE_INLINE in a
          .cpp file.  Fixed this problem in the following files:

          SPIPE_Acceptor.cpp:116:ACE_INLINE
          TLI_Acceptor.cpp:145:ACE_INLINE int
          TLI_Acceptor.cpp:192:ACE_INLINE
          Task.cpp:121:ACE_INLINE int
          Task.cpp:130:ACE_INLINE void

        * ace/{OS,Thread}: Added Chuck Gehr's suggested change for the
          pthread_keycreate() routine, which must take extern "C"
          functions on MVC C++.  This fix isn't perfect, but it should
          allow the ACE library to build...

        * man: Updated all of the manual pages and HTML files.

        * ace/Signal.cpp: Updated the code so that we don't try to
          register a static C++ dispatch method if ACE_HAS_SIG_C_FUNC is
          defined.  This fixes problems with the MVS C++ compiler...
          Thanks to Chuck Gehr for this suggestion.

        * ace/OS.h: Added extern "C" { } wrappers around the signal
          handling mechanisms if ACE_HAS_SIG_C_FUNC is defined.  This
          fixes problems with the MVS C++ compiler...  Thanks to Chuck
          Gehr for this suggestion.

        * ace/Reactor.cpp (open): Moved the initialization of the
          ACE_Timer_Queue field to *before* the handler_rep_.open() call.
          We do this first in case the handler_rep_ call fails (which it
          sometimes does on Win32 when we restart applications quickly due
          to the use of sockets as a notification mechanism).  At least
          this way the timer_queue_ isn't 0, so we can still use the
          Reactor as a timer...  Thanks to Tilo Christ for motivating
          me to fix this.

        * ace/OS.i: Apparently, DIGITAL_UNIX gethostbyname() returns
          thread-specific storage, so we can use this for
          gethostbyname_r().

        * ace/OS.i: Need to add:

          #else

          after line 3268: return (size_t) ACE_OS::sysconf (_SC_THREAD_STACK_MIN);

          otherwise we get a compile error:

          line 3296.1: CBC1331(W) Return value of type "unsigned int" is expected

          This is because no code ends up getting generated.  Thanks to Chuck
          Gehr for this fix.

        * ace/OS.i (ACE_PTHREAD_CLEANUP_PUSH): Removed an extraneous set
          of parens.  Thanks to Chuck Gehr for this fix.

        * ace/OS.cpp (thr_create): Oops, needed to add a check if thr_id
          == 0 before assigning *thr_handle = *thr_id!  Thanks to Prashant
          for finding this.

Tue Nov 26 21:06:13 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/Pipe.cpp (open): This change relates to Win32 code only.
          Removed the reuse_addr flag to acceptor.open() so that we don't
          try to reuse the acceptor socket immediately. Apparently, this
          causes no end of trouble on Win32 as the following connect()
          call fails (randomly).  Now it should be possible to create
          multiple ACE_Pipes in one process and hence create multiple
          Reactors also without any problems.

        * tests/Pipe_Test.cpp: Added a ACE_Pipe test to check for the
          creation of multiple pipes in a process.  Also changed the
          relevant makefiles and scripts.

Tue Nov 26 11:27:33 1996  David L. Levine  <levine@cs.wustl.edu>

        * tests/{CPP_Test,Mutex_Test,Shared_Memory_MM_Test,SPIPE_Test}.cpp:
          added VXWORKS support for these tests by spawning a new thread
          instead of forking a new process (the same as on Win32)

        * netsvcs/clients/Naming/Client/Client_Test.cpp (open): Added a
          return 0 for success.

        * ace/Singleton.h: Modified the use of the ACE_NEW_RETURN macro so
          we not only check if new has failed, but also check that the
          constructor has succeeded.  If it hasn't, we bail out...  Thanks
          to Luca for this suggestion.

        * ace/Log_Msg: Added a 4th parameter to log_hexdump() in order to
          print out a comment.  Thanks to Luca for this.

        * ace/ACE.cpp (ldfind): Changed the implementation to look for
          ACE_DLL_SUFFIX rather than '.' since '.' might exist in the
          pathname already...

        * Removed all the NT-specific svc.conf files and updated the other
          files to use the new "auto-dll-suffix" feature in ACE.

        * ace/Synch_T.cpp (ts_get): Fixed a nasty bug introduced by recent
          changes to ACE_TSS<>::ts_get().  The ACE_Mutex should be
          ACE_Thread_Mutex.  This should fix lots of nasty run-time bugs
          seen with recent versions of the ACE 0.33 beta...

Tue Nov 26 14:40:00 1996  David L. Levine  <levine@cs.wustl.edu>

        * Log_Msg.cpp: fake out TSS on VxWorks in Log_Msg::instance()
          by using a spare field in the task control block

        * tests/{CPP_Test,Mutex_Test,Shared_Memory_MM_Test,SPIPE_Test}.cpp:
          added VXWORKS support for these tests by spawning a new
          thread instead of forking a new process (the same as on
          Win32)

        * OS.h: VxWorks can't handle the ACE_THR_FUNC typedef if
          it's in the extern "C" block, so I moved it back out.
          Also, the horrible GreenHills hack is no longer required.

        * OS.i: there's an ACE_OS_CALL_RETURN before a ::strncpy() call, 
          I changed it to ACE_OS_CALL.

        * OS.i: Added call to VxWorks ::mkdir()

        * Pipe.cpp: VxWorks doesn't know about TCP_NODELAY.

        * INET_Addr.cpp: get_host_name() is missing a return
          statement, on VxWorks only   

        * Thread_Manager.i:  in ACE_Thread_Control::thr_mgr(), there
          were two consecutive return statements, removed the first
          one.

        * Time_Request_Reply.{h,cpp}:  GreenHills warns that "type
          qualifiers are meaningless" for declaration of const
          ACE_UINT32 time(), so I removed them.

        * UPIPE_Stream.cpp, line 95: warning: integer conversion
          resulted in a change of sign, so we cast n to int.

        * Map_Manager.cpp: in ACE_Map_Manager::resize_i(), variable
          foo is unnecessary, so we omitted it.

        * tests/CPP_Test.cpp (and a few others) have references to
          argv[0]:

Tue Nov 26 03:15:22 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * tests: Added Map_Manager_Test and Message_Queue_Test to
          makefiles (NT and UNIX) and one-button scripts.

        * tests: (Barrier_Test.cpp Buffer_Stream_Test.cpp Mutex_Test.cpp
          Priority_Buffer_Test.cpp Recursive_Mutex_Test.cpp
          Shared_Memory_MM_Test.cpp) Fixed typos mainly and other small
          changes. Also fixed logging file problems so to make logging
          of tests more accurate.

Mon Nov 25 00:23:40 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * performance-tests/Synch-Benchmarks/Options.cpp (Options):
          Reordered the initialization of data members to keep G++ from
          complaining.

        * performance-tests/Synch-Benchmarks/pipe_thr_test.cpp: Changed
          some types so that we don't get warnings.

        * tests/Mutex_Test.cpp (test): Added a "return 0".  Thanks to
          David Levine for reporting this.

        * ace/TTY_IO.cpp: Rearranged some definitions so that we don't get
          "unused variable" warnings from g++.

        * ace/SOCK_Dgram.cpp (recv): Rearranged some definitions so that
          we don't get "unused variable" warnings from g++.

        * tests/Priority_Buffer_Test.cpp (consumer): Fixed a typo -- I was
          missing a *...  Thanks to David Levine for reporting this.

        * ace/OS.h (ACE_SVC_FACTORY_DECLARE): Changed the macro so that it
          defines a function with `extern "C"' linkage in order to be
          consistent.

        * ace/OS.cpp (thr_create): Moved the conditional compilation test
          for ACE_HAS_THR_C_FUNC outside of ACE_HAS_SETKIND_NP since MVS
          doesn't have this!  Thanks to Chuck Gehr for this info.

        * ace/OS.i (thr_sigsetmask): Replaced the tests for
          ACE_HAS_DCETHREADS and ACE_HAS_SETKIND_NP with
          ACE_LACKS_PTHREAD_THR_SIGSETMASK, which is more appropriate.
          
        * ace/OS.cpp (ace_mutex_lock_cleanup_adapter): Changed the
          signature so that it returns "void" rather than "void *".
          Thanks to Chuck Gehr for this.

        * ace/OS.h: Removed #include <sys/param.h> to avoid problems on
          MVS.  Thanks to Chuck Gehr for this.

        * ace/config-sunos5.5-sunc++-4.1.h: It looks like SunC++ 4.1 still
          doesn't fix their template typedefs bugs.  So I've commented
          this out in the config file.  Thanks to Fred LaBar
          <flabar@fallschurch.esys.com> for reporting this.

        * ace/ACE.cpp (ldfind): Added support for a new feature that will
          append the default suffix (e.g., ".dll" or ".so") for a shared
          library on the current platform to the name of the file if it
          cannot find an suffix.  It will also check that a provided
          suffix will match the default suffix for that platform and if it
          doesn't it will produce a log entry with a warning.  This change
          will allow unified svc.conf-files for both UNIX and WinNT.
          Thanks to Tilo Christ <christ@swl.fh-heilbronn.de> for this.

        * ace/OS.cpp (thr_create): Came up with a remarkably clever scheme
          that should make it possible to utilize the ACE library *without
          change* on MVS, where the frigging C++ compiler requires all
          functions passed to pthread_create() have an extern "C" linkage.
          The trick was to generalize the thread adapter mechanism used
          for Win32.

        * ace/OS: Added a new macro called ACE_PTHREAD_CLEANUP_PUSH that
          selects the right mechanism (e.g., ace_spawn_adapter or not) for
          passing functions to pthread_cleanup_push().
        
        * ace/config-mvs.h: Added a new macro called ACE_HAS_THR_C_FUNC
          which expresses the fact that the MVS C++ compiler *must* have
          an extern "C" function passed to pthread_create().

        * ace/OS.h: Modified all uses of ACE_OS::mutex_lock_cleanup() to
          use the extern "C" ace_spawn_adapter() on platforms MVS like MVS
          that can't deal with non-C functions to pthread_create.  Thanks
          to Chuck Gehr for reporting this.

        * ace/OS.cpp (thr_create): Added Chuck Gehr's patches for MVS.

Sun Nov 24 12:30:45 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace: Added Chuck Gehr's <gehr@sweng.stortek.com> config-mvs.h
          file!

        * ace: Began adding support for WinSock 2.0.  Thanks to Luca for
          this.

        * ace/UPIPE_{Acceptor,Connector,Stream}: Updated the UPIPE
          components so that they keep a reference count that keeps track
          of the number of "owners" (which should always be 2 -- one for
          the connector-side and one for the acceptor-side).  By keeping
          this count, we can ensure that we don't close down the
          underlying ACE_Stream until both sides have called close().
          This will remove a nasty bug that was lurking in some of the
          tests.

        * ace/Message_Block.h: Added a new copy() method that assumes the
          buf passed in is a NUL-terminated string.

        * tests/UPIPE_SAP_Test.cpp: Modified this test so that threads
          exit in a well-defined order.  This should prevent problems on
          Win32.

        * ace/OS.i: Changed SIGNAL_SAFE_OS_CALLS to
          ACE_HAS_SIGNAL_SAFE_OS_CALLS to be consistent...

        * ace/config-vxworks*.h: Removed the SIGNAL_SAFE_OS_CALLS #define
          from the VxWorks config files.  There's no need to use this by
          default.

        * ace/Event_Handler: Moved all the default implementations of the
          virtual methods in ACE_Event_Handler from the *.i file to the
          *.cpp and made them no longer be inlines.  This will fix some
          problems with some compilers (e.g., MSVC++ 4.1) and is also more
          reasonable since there's really no purpose for inlining these
          virtual functions since they are rarely called.  Thanks to James
          Michael Dwyer <jdwyer@knox.edu> for reporting this problem.

Sat Nov 23 12:39:03 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Svc_Conf.y: Changed the parser so that it accepts DLL
          pathnames that lack *.dll or *.so suffixes.  This is necessary
          so that we can automatically append the correct suffix depending
          on the platform.  Thanks to Tilo Christ
          <christ@swl.fh-heilbronn.de> for suggesting this.

        * ace/Makefile: Updated the Makefile so that it will automatically
          insert the appropriate so that conditions for include of
          ace/OS.h can be checked correctly.

Fri Nov 22 18:12:49 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.i (thr_sigsetmask): DCE threads (at least as implemented
          by Digital) have no means for setting the signal mask on a
          per-thread basis.  Therefore, modified the code so that it
          correctly returns ACE_NOTSUP_RETURN(-1) for DCEthreads.  Thanks
          to Thilo Kielmann <kielmann@informatik.uni-siegen.de> for
          chasing this down.

        * performance-tests/Synch-Benchmarks/synch_driver.cpp (run_test):
          Fixed this implementation so that it will shut down correctly
          when a signal occurs or a timeout occurs (whichever comes
          first).

Fri Nov 22 08:02:39 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace.{mdp,mak}: Changed ace.mak so that it links with the
          non-debug version of Microsoft's multithreaded dll when compiled
          with the release option

Thu Nov 21 10:37:40 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Service_Config: Changed the implementation of the
          Service_Config class so that it no longer inherits from
          ACE_Event_Handler.  This was causing problems because the new
          reactor() method in the ACE_Event_Handler was conflicting with
          the static reactor() method on ACE_Service_Config.

        * ace/OS.cpp (detach): Since we no longer use an
          ACE_Recursive_Thread_Mutex, we can remove the line 
          
          else if (ACE_TSS_Cleanup::lock_.get_nesting_level () > 1)
            // ...

          Thanks to Matthias Kerkhoff <make@cs.tu-berlin.de> for 
          reporting this.

        * ace/Thread_Manager.cpp (spawn_n): Replaced int i with size_t i
          to avoid warnings between signed and unsigned values.

        * ace: There is an easy way to speed up the "Update dependencies" 
          in MSVC. Just keep the the compiler from complaining about
          missing header by inserting a comment like below in the
          #include-directives which are not used in Win32.
 
          Therefore, instead of 

          #include <somefile.h>

          we use

          #include /**/ <somefile.h>

          Please let me know if this causes problems for any
          pre-processors.  Thanks to Matthias Kerkhoff
          <make@cs.tu-berlin.de> for this suggestion!

        * ace/OS.cpp: Added support for AfxBeginThread in
          ACE_OS::thr_create() and ACE_OS::exit().  Now ACE should work
          with MFC when you give the THR_USE_AFX flag to
          ACE_OS::thr_create()!  Thanks to Matthias Kerkhoff
          <make@cs.tu-berlin.de> for this!

        * ace/Malloc_T.cpp (avail_chunks): Changed the return value to
          ssize_t so we can return -1 if we can't get the lock.  Thanks to
          Tilo for reporting this.

        * ace/config-sunos4-sun3.x.h: Added new #ifdefs for Sun C++ 3.0.1
          on SunOS 4.1.3.  Thanks to Eric Parker <eparker@credence.com>
          for these fixes.

        * ace/Stack.h: Added a new method called peek() to the
          ACE_Unbounded_Queue classes so that the first element can be
          retrieved without removing it.  Thanks to Luca for this
          suggestion.

        * ace/SString.cpp (ACE_CString): Changed ACE_CString so that it
          uses memcpy() rather than str(n)cpy() so that we can store any
          structure into it.  Thanks to Luca for this suggestion.
  
        * ace/Acceptor: Since we moved the reactor() accessors to
          ACE_Event_Handler we can omit these from the Acceptor and
          Svc_Handler.

        * ace: Updated the ACE_Reactor and ACE_ReactorEx so that they
          automatically sets the pointers in ACE_Event_Handlers.  Thanks
          to Luca for this suggestion.

        * ace/Event_Handler: Added pointers to all the ACE demultiplexors
          (e.g., ACE_Reactor, ACE_ReactorEx, and ACE_Proactor) to
          ACE_Event_Handler, along with set/get accessor methods.  This
          supports a very common use-case where an event handler keeps
          track of its demultiplexor.  Thanks to Luca for this suggestion.

        * ace/OS.cpp: Since we do not use the recursion count from the
          Recursive Mutex any more in ACE_TSS_Cleanup::exit() we can
          replace the Recursive Mutex by a regular ACE_Thread_Mutex that
          is recursive on NT natively and more efficient.  Thanks to
          Detlef for suggesting this.

        * ace/OS.cpp: Since we do not use the recursion count from the
          Recursive Mutex any more in ACE_TSS_Cleanup::exit() we can
          replace the Recursive Mutex by a regular ACE_Thread_Mutex that
          is recursive on NT natively and more efficient.  Thanks to
          Detlef for suggesting this.

        * ace: Backed out all of Detlef's changes to ACE_OS and
          ACE_TSS::ts_get().  It turns out that this is unnecessary since
          he reimplemented ACE_TSS_Cleanup so that it no longer needs to
          hold the lock when callbacks are made.  Once again, Detlef
          proves that he's a macho man, not a boy ;-)

Thu Nov 21 08:12:51 1996  David L. Levine  <levine@cs.wustl.edu>

        * include/makeinclude/platform_sunos5_sunc++_4.1.GNU:
          put back the LD definition

        * include/makeinclude/platform_osf1_4.0_g++.GNU:
          added LD definition to work with latest wrapper_macros.GNU

Wed Nov 20 10:32:52 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * tests: Mutex_Test.cpp Priority_Buffer_Test.cpp
          Reader_Writer_Test.cpp Thread_Pool_Test.cpp were changed
          slightly to remove some compile time warnings.

Wed Nov 20 21:35:28 1996  David L. Levine  <levine@cs.wustl.edu>

        * ace/Svc_Conf_l.cpp:  added #include of ace/config.h so that
          conditions for include of ace/OS.h can be checked.

Wed Nov 20 02:38:40 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Service_Config.cpp: Moved the definition of logger_key_ to
          OS.h and changed it to a macro (ACE_LOGGER_KEY) so that it will
          be portable to Win32 and UNIX.  Thanks to Tilo for reporting
          this.

        * ace/OS: Changed the return value of ACE_OS::getgid() from uid_t
          to gid_t to be POSIX compliant.

        * ace/OS.cpp (thr_create): Fixed a typo where we were assigning
          stacksize rather than size.  Thanks Thilo.

        * ace/OS.cpp (thr_create): Added a new piece of code for
          ACE_NEEDS_HUGE_THREAD_STACKSIZE, which is necessary to create a
          larger per-thread stack size in order to run ACE_Log_Msg::log.
          Thanks to Thilo for this.

        * tests/TSS_Test.cpp: Changed the name of the static variable
          "lock" to "cout_lock" to avoid a potential namespace clash on
          Digital UNIX.  Thanks to Thilo Kielmann for reporting this.

        * ace/SOCK_Dgram.cpp (recv): Added a cast (char *)
          io_vec->iov_base so that this would work correctly on platforms
          where iov_base is a void * (e.g., AIX and HP/UX).  Thanks to
          Alan Stewart for the change.

        * ace/OS.h: Added a few new changes for Digital UNIX 4.0a.  These
          should fix problems with ctime_r() and asctime_r().  Thanks to
          Dave Trumble for the fixes.

        * tests/UPIPE_SAP_Test.cpp: Disabled this test if we don't have
          threads and (STREAM Pipes or Win32).  Thanks to Thilo Kielmann's
          <kielmann@informatik.uni-siegen.de> for this info.

Tue Nov 19 23:09:08 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Log_Record.cpp (print): Added a call to ACE_OS::fflush
          before returning.  This change was suggested by Luca in order to
          help prevent messages from getting lost when applications exit.
          We're unsure of the affects this will have on performance, so we
          may change this back in the future.

Tue Nov 19 00:06:57 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * Released a beta version of ACE 4.0.33 for testing.

        * ace/TTY_IO.h: Added the ACE_Export macro before the ACE_TTY_IO
          class to make things work correctly for Win32 DLLs.  Thanks
          to William L. Gerecke <gerecke@rayva.org> for fixing this.

        * ace/OS.h: Improved the support for RLIMIT_NOFILE.  Thanks to
          Alan Stewart <axs2@osi.com> for reporting this.

        * ace/OS.h: Removed the following code from OS.h because
          it is causing problems on some platforms:

          #if (!defined (timespec) && !defined (m88k))
          #define timestruc_t struct timespec
          #endif /* timespec */

          Thanks to Fred LeBar for reporting this.

        * ace/OS.cpp (thr_create): Needed to create an
          ACE_OS::NULL_hthread so that we can assign the "NULL thread
          handle" on POSIX platforms.  Thanks to Alan Stewart
          <axs2@osi.com> for reporting this.

        * ace/OS.i: The HP/UX C++ compiler is unable to grok inline
          functions with multiple returns.  So I recoded the
          ACE_OS::event* methods to avoid this.  Thanks to Alan Stewart
          <axs2@osi.com> for reporting this.

        * ace/OS.h: Moved the "undef" of t_errno until after the inclusion
          of mman.h and dlfcn.h to prevent problems with DU4.0a.  Thanks
          to David Trumble <trumble@steosf.nio.dec.com> for reporting
          this.

        * ace/Pipe.cpp (open): Fixed a typo where
          this->ACE_SOCK::set_option() was being used instead of
          writer.set_option().  Thanks to Tilo Christ
          <christ@swl.fh-heilbronn.de> for reporting this.

        * ace/Message_Queue.h: Fixed a bug where 
        
          ACE_Message_Queue <ACE_SYNCH_1> &queue_;

          should be:

          ACE_Message_Queue <ACE_SYNCH_2> &queue_;        

          Thanks to Rick Orr <rorr@costello.den.csci.csc.com> for
          reporting this.

        * apps/Makefile: Updated the Makefile so that it no longer tries
          to look for Synch-Benchmarks.  Thanks to Amos Shapira
          <amos@dsi.co.il> for reporting this.

        * ace/Activation_Queue.cpp (dequeue): Added a sanity check to make
          sure that we actually deleted the first element in the queue.
          Thanks to Andres Kruse <Andres.Kruse@cern.ch> for reporting
          this.

        * include/makeinclude/platform_sunos5_sunc++_4.1.GNU: Added a
          minor change to remove the libACE.a archive prior to creating a
          new one.  This works around bugs with the SunOS 4.x C++
          compiler.  Thanks to Andres Kruse <Andres.Kruse@cern.ch> for
          reporting this.

        * ace/Malloc_T.cpp (avail_chunks): Added Fred LeBar's code and
          comments for computing the available chunks.

        * tests/Mutex_Test.cpp: Rewrote the Mutex_Test so that it behaves
          correctly on UNIX and Win32.  Thanks to Irfan for reporting the
          problem.

        * ace/Log_Msg.cpp (sync): Somehow, the statement that updated the
          pid_ after sync() is called following a fork() got removed, so I
          put it back in.

        * ace/config-sunos5.*-g++.h: Added the
          -D_REENTRANT flag to the config files for the G++ version of
          ACE. This fixes a nasty problem that otherwise arises when
          compiling on SunOS 5.x.  Thanks to Hanan Herzog
          <hanan@wallenda.stanford.edu> for reporting this.

Tue Nov 19 21:14:15 1996  David L. Levine  <levine@cs.wustl.edu>

        * performance-tests/Synch-Benchmarks/Benchmark.{h,cpp}:
          use thread ID class for VxWorks as well as Pthreads.

        * OS.i, config-{osf1-4.0,sunos5.[45]}-g++.h: Moved GNU
          #include <cstring> out of config files and into OS.i.

        * ace/Svc_Conf_l.cpp: added #include of ace/OS.h for HPUX and
          VxWorks.

        * ace/Token.cpp: reordered initializations in Ace_Queue_Entry
          ctor to match declaration order.

Mon Nov 18 00:47:27 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.h: Added a new #define called ACE_HAS_BROKEN_CONVERSIONS
          to workaround problems with the HP/UX C++ compiler, which
          doesn't seem to be able to grok foo->operator T *().  Thanks to
          Alan Stewart <axs2@osi.com> for reporting this bug and the fix.
          Also updated the config-hpux*.h files with this define.

        * examples/Misc: Added a new test (test_get_opt.cpp) which
          exercises the ACE_Get_Opt class.

Sun Nov 17 13:00:02 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Get_Opt: Replaced the GNU-based implementation of class
          ACE_Get_Opt with an implementation based on BSD UNIX.  The
          advantage here is that the BSD version is not encumbered by the
          GNU GPL.  Thus, ACE has no more dependencies on GNU GPL.  Thanks
          to James Hu <jxh@cs.wustl.edu> for finding the BSD code.

Mon Nov 18 00:13:25 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/stdcpp.h: Added this file to ACE.  This file contains the
          portability ugliness for the Standard C++ Library.  As
          implementations of the "standard" emerge, this file will need to
          be updated.  Although not very useful now, we are gearing up for
          a support for STL on UNIX and NT.

        * ace/OS.h: Added an include "ace/stdcpp.h".

        * ace/Log_Record.h (ACE_Log_Record): Removed the iostream include
          mess that got accidentally committed to the release.

Sun Nov 17 00:13:25 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * For some totally evil reason, MSVC++ will not allow any use of
          the "allocator" symbol.  It's an STL thing.  As a result, I've
          had to change all of the following files to rename allocator to
          alloc: Local_Name_Space_T.cpp, Map_Manager.cpp, Malloc_T.cpp,
          Message_Block.cpp, Read_Buffer.cpp, SString.cpp.  The root
          of the problem can be seen by compiling the code below:
          
          template <class TYPE>
          class foo {};

          int foo;  // compile error because of the foo<> class.

          int main () { return 0; }
        
        * Service_Config.{h,cpp}:  We have to change the allocator
          accessors to alloc.  This is probably going to break
          many things.  If necessary, we can conditionally compile in the
          old accessors for platforms that are not using STL and MSVC++.

        * ace/Task.h:  Added ACE_Export macros to the class definitions.

Sun Nov 17 13:00:02 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace: Added Thilo Kielmann's <kielmann@informatik.uni-siegen.de>
          patches for OSF/1 4.0a.

        * ace/OS: Revised the implementation of ACE_OS::asctime_r() and
          ACE_OS::ctime_r() to simplify common cases.  However, this may
          have broken some code on OSF/1 4.0a.  Can someone please check
          this?

        * tests/SPIPE_Test.cpp: Conditionally compiled this file so that
          we only build the SPIPE test if (1) we're running on Win32 or
          (2) ACE_HAS_STREAM_PIPES.  Thanks to David Levine for this
          suggestion.

        * ace/OS.i (ctime_r): Fixed a typo that was caused by a misplaced
          #endif.  Thanks to Eshel Liran <liran@macs.biu.ac.il> for
          reporting this.

        * ace/Time_Value: Disabled ACE_TRACE within these method in order
          to prevent infinite recursion.

        * ace/Log_Record: Originally, when verbose mode was enabled you
          can get the date and time down to the seconds.  However, it is
          useful for performance testings to have milliseconds displayed
          in the log.  To accomplish this, I changed ACE_Log_Msg and
          ACE_Log_Record to they also keep track of and print the microsec
          time, as well.  Thanks to Luca for suggesting this.
 
        * ace/Map_Manager.cpp: updated all the ACE_Map_Manager methods so
          their read and write Guards use the ACE_*_GUARD macros.

        * ace/Malloc_T.cpp: Updated all the ACE_Malloc methods so their
          read and write Guards use the ACE_*_GUARD macros.

        * ace/OS.cpp (svc_run): Added an ACE_DEBUG announcing that an
          exception has propagated beyond the outermost svc_run()
          function.  Thanks to Luca for this suggestion.

        * tests/test_config.h: VxWorks passes in a NULL argv (arrghhh...).
          Therefore, to work around this in the ./tests directory, I changed
          the ACE_START_TEST macro to take a NAME parameter, and then I
          added the following local variable:

          const char *program = argv ? argv[0] : NAME;

          Thanks to David Levine for this fix.

Sat Nov 16 12:01:08 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * examples/Threads/test_tss2.cpp: Added Detlef's new test for
          ACE_TSS.

        * ace/Synch_T.cpp (ts_get): Added Detlef's changes to fix deadlock
          problems with ACE_TSS on NT.

Fri Nov 15 18:01:26 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/ACE_SOCK_Stream.cpp: NT will signal an abortive close
          to the opposite party if a socket is closed before all of its
          data has been sent out. According to the NT SDK-docs, you should
          do a shutdown before the closesocket() in order to prepare a
          graceful close.  Thus, I've placed an
          ACE_SOCK_Stream::close_writer() method just before the call to
          ACE_SOCK::close() in the new close() of the ACE_SOCK_Stream
          class.  Thanks to Tilo Christ <christ@swl.fh-heilbronn.de> for
          this suggestion.

        * ace/INET_Addr.cpp: The function ACE_INET_Addr::addr_to_string
          was a virtual function that is also inline and defined in the .i
          file.  Some compilers have a problem with this, so I moved it
          into the *.cpp file.  In addition, its sister function was also
          virtual and is defined as:

          ACE_INLINE int
          ACE_INET_Addr::string_to_addr (const char s[])

          in the .cpp file.  I removed the ACE_INLINE directive.  Thanks
          to Fred LaBar <flabar@fallschurch.esys.com> for reporting this.

Thu Nov 14 16:20:20 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Malloc_T.cpp: Added a new method to ACE_Malloc that will
          return the number of chunks available on the free list.  Thanks
          to Fred Labar <flabar@fallschurch.esys.com> for this.

Wed Nov 13 01:22:16 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/ReactorEx.cpp (handle_events):  I've changed siginfo_t on
          Win32 (which was previously typedef'd to int) so that it has the
          following structure: 

          struct siginfo_t
          {
            siginfo_t (ACE_HANDLE handle);

            ACE_HANDLE si_handle_;
            // Win32 HANDLE that has become signaled.
          };

          Then, I've changed the ACE_ReactorEx::handle_events() method to
          look like this:

            // Assign the ``signaled'' HANDLE so that callers can get
            // it.
            siginfo_t sig (relative_handles[relative_index]);
            
            if (relative_handlers[relative_index]->handle_signal 
                (0, &sig) == -1)

          Thus, you can refer to the signaled handle as 

          si_handle_

          within the handle_signal() call back.  Thanks to Matthias
          Kerkhoff <make@cs.tu-berlin.de> for suggesting this.

        * ace/System_Time.h: Made ACE_System_Time::get_local_time() a
          static member function.  Thanks to Matthias Kerkhoff
          <make@cs.tu-berlin.de> for suggesting this.

        * ace/Message_Queue.h: The internal variables for counting the
          bytes stored in the queue were declared as of type int (in
          Message_Queue.h).  But they are set (e.g. with
          ACE_Message_Queue::ACE_Message_Queue) with values of size_t.

          When running tests/Priority_Buffer_Test, the high_water_mark_ is
          preset with the value LONG_MAX. While assigning this value from
          size_t to int, this becomes -1 and the queue is always believed
          to be full :-( The fix is to change the internal data structures
          in Message_Queue.h from int to size_t.  Thanks to Thilo Kielmann
          <kielmann@informatik.uni-siegen.de> for reporting this.

        * tests: Fixed problems with the following three tests:

          Priority_Buffer_Test.cpp
          Reader_Writer_Test.cpp
          UPIPE_SAP_Test.cpp

          When these are compiled with gcc on Digital UNIX 4.0a the static
          ACE_Thread_Manager thr_mgr; was never getting initialized due to
          gcc compiler bugs.  The fix is to replace the static thread
          manager with the ACE_Service_Config::thr_mgr() singleton.
          Thanks to Thilo Kielmann <kielmann@informatik.uni-siegen.de> for
          reporting this.

Tue Nov 12 19:43:12 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Thread_Manager.cpp (spawn_n): Was missing a 0 after ?.
          Thanks to Thilo Kielmann <kielmann@informatik.uni-siegen.de> for
          reporting this.

        * ace/Log_Msg.h: Created a new macro call ACE_ERROR_BREAK(X) {
          ACE_ERROR(X); break;} for use within switch and loop statements.
          Thanks to Luca for this idea.

        * ace/Pipe.cpp: Enabled the "reuse addr" flag for accepting and
          connecting the Win32 version of ACE_Pipe.  Thanks to Luca for
          reporting this problem.

        * ace/OS.i (thr_join): ACE_Thread::join () has a default second
          parameter (the status) set to 0. This is not handled in
          ACE_OS::thr_join(). To avoid getting a system error in NT we
          handle this as we did with ACE_OS::thr_create() and the
          thr_handle parameter.

        * ace/config-irix6.2-sgic++.h: Updated the set of patches required
          for IRIX 6.2.  Thanks to Amos Shapira for reporting this.

Sun Nov 10 15:40:17 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Token_Invariants.cpp: Moved static data
          declarations out of ACE_Token_Invariant_Manager::instance and
          into the header file.  This is supposed to help with a g++
          problem on VxWorks.

Sun Nov 10 13:22:03 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Pipe.cpp (open): Set the loopback socket into TCP_NODELAY
          mode so that we don't block for 200 ms...  Thanks to Luca
          Priorelli <lucapri@mbox.vol.it>.

        * ace/Thread_Manager: Created a new version of spawn_n() that
          gives parameters for stack, stack_size, and also for the
          assigned ACE_hthread_t's.  Thanks to Thilo Kielmann
          <kielmann@informatik.uni-siegen.de> for suggesting this.

Sun Nov 10 13:56:38 1996  Prashant Jain  <pjain@merengue.cs.wustl.edu>

        * tests/Reactors_Test.cpp (main): Fixed the test so that the
          output of the test goes to a log file instead of STDOUT.

Sat Nov  9 11:23:13 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Synch.i: Fixed a bug in ACE_Thread_Mutex_Guard.
          The call:

          this->owner_ == block ? this->lock_.acquire () : this->lock_.tryacquire ();

          should be

          this->owner_ = block ? this->lock_.acquire () : this->lock_.tryacquire ();

          Thanks to Alexander Smundak <sasha@migration.com> for reporting
          this.

Sat Nov  9 01:44:15 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/Message_Queue: Added forward and reverse iterators to
          Message_Queue. Also, added typedefs to Message_Queue for
          ITERATOR, and REVERSE_ITERATOR. This makes the Queue like an STL
          collection and also makes it easier to use since you don't have
          to define types for the iterators. Please see
          test/Message_Queue_Test.cpp for an example.

        * ace/Map_Manager: Added reverse iterator to Map_Manager. Also,
          added typedefs to Map_Manager for ENTRY, ITERATOR, and
          REVERSE_ITERATOR. This makes the Map more like an STL collection
          and also makes it easier to use since you don't have to define
          types for the iterators and the entry. Please see
          test/Map_Manager_Test.cpp for an example. Note that the new
          typedefs does not break existing code.

Fri Nov  8 20:04:26 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Malloc.h: Fixed a typo on line 176 that reads:

          #include "ace/Sync_T.h"

          It should read:

          #include "ace/Synch_T.h" 

          Thanks to Todd Barkalow <todd_barkalow@stortek.com> for
          reporting this.

Wed Nov  6 00:38:02 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Pipe: Added the const qualifier to the following methods:
        
          ACE_HANDLE ACE_Pipe::read_handle (void) const;
          ACE_HANDLE ACE_Pipe::write_handle (void) const;

          Thanks to Luca for reporting this.

        * ace/config-win32-msvc4.0.h: Redefined
          ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES since it looks like
          MSVC++ 4.0 still doesn't work.  Maybe this is fixed in 4.2?

Tue Nov  5 03:09:44 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Strategies.cpp: I'd forgotten to update one of the
          accept(*svc_handler) calls to use the new
          accept(svc_handler->peer()) syntax.

        * netsvcs/lib/Server_Logging_Handler.cpp: Added a cast to
          (COUNTER) 0 when initializing ::request_count_ to avoid problems
          on Win32.  Thanks to Luca for pointing this out.

        * ace/Thread_Manager: Added a new thr_self() method that return
          the unique ID of the thread.  This is not strictly necessary
          (because a thread can always just call <ACE_Thread::thr_self>).
          However, we put it here to be complete.  Thanks to Hamutal Yanay
          <Hamutal_Yanay@mail.icomverse.com> for suggesting this.

        * ace/OS.cpp (thr_create): I was accidentally closing down
          ::CloseHandle (thr_handle) (where thr_handle is a HANDLE *) when
          I should have been doing a ::CloseHandle (handle) instead.
          Thanks to Luca for finding this!

Tue Nov  5 14:26:32 1996  David Levine  <levine@cs.wustl.edu>

        * include/makeinclude/wrapper_macros.GNU: Changed LINK.{c,cc}
          commands to use LD instead of CXX.  Changed all platform macros
          files (except for g++ on VxWorks) to correspond.

        * tests/run_tests.sh: changed -e test to -f for portability and
          reordered tests.  Thanks to Michael Michael Rueger
          <m_rueger@SYSCOMP.DE> for originally creating run_tests.sh, and
          for maintaining it, and to Alan Stewart <axs2@osi.com> for
          suggesting fixes/enhancements.

        * tests/Time_Service_Test.cpp and Tokens_Test.cpp: changed to
          return 0 on success instead of 42

Fri Nov  1 03:53:39 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * STL: Added STL files to $WRAPPER_ROOT/STL.  This code is a
          modified version (changes for VC++ compiler) of the publicly
          available implementation of STL from HP.  Currently,
          ACE_Registry uses these STL classes.

Fri Nov  1 00:25:01 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/CORBA_Handler.cpp (process_events): There was a very subtle
          race condition in the ACE_MT_CORBA_Handler.  process_events()
          accessed the singleton directly without taking the mutex. At
          startup the process_event thread is kicked off from the
          constructor and the instance_ is set. Hence the race.  The
          solution is to attempt to take the mutex before accessing the
          instance.  Thanks to David Artus <david.artus@sbil.co.uk> for
          reporting the problem and providing the fix.

        * ace/Log_Msg.cpp (log): Improved the performance of the Log_Msg
          mechanism by not doing any parsing of the format string if the
          user has disabled this priority.

        * ace/Reactor.cpp: Added a chance for the open() method of the
          Notification_Pipe failing.  Thanks to Luca for pointing this
          out.

        * ace/Reactor.cpp (handle_events): Added a change to the semantics
          of the ACE_Reactor so that it doesn't fall out of the event loop
          when signals arrive that it handles.  Thanks to Stuart Powell
          <stuartp@in.ot.com.au> for this fix.

        * ace/Service_Repository.cpp (remove): Fixed a bug with
          Service_Record::remove() that was failing if there were only two
          records and we are removing the first one.  Thanks to Alex
          Villazon <villazon@cui.unige.ch> for reporting this.

        * ace: Recompiled everything on Solaris with G++ and CC and it
          seems to work fine.

        * ace/Module: Replaced the use of char * with const char * for
          assigning the Module a name.

        * ace: Split the Task.{cpp,i.h} file into Task_T.{cpp,i,h} in
          order to factor out the new non-template ACE_Task_Base and
          ACE_Task_Exit classes.  This is required for GCC-based compilers
          that include the *.cpp files...

Thu Oct 31 00:36:38 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Malloc_T.h: Made the destructor of ACE_Allocator_Adapter
          virtual.

        * ace/Thread: Reorganized the ACE_Thread so that the
          ACE_HAS_THREADS #ifdef is no longer required...

        * ace/Strategies.h: Changed all the destructors to be virtual so
          that G++ will stop complaining...

        * ace/Thread_Manager: Reorganized the ACE_Thread_Manager so that
          the ACE_HAS_THREADS #ifdef is no longer required...

        * ace/config-win32-msvc4.0.h: Added Dieter Quehl's great hack to
          get ACE to compile correctly on Win32 with MFC!

        * ace/Task: I've rearranged the implementation of ACE_Task<> 
          in the following way:  

             1. Defined a non-template class ACE_Task_Base from which the 
                ACE_Task<...> inherits (instead of inheriting from
                Ace_Service_Object, which ACE_Task_Base now inherits from.
     
             2. Move all methods that don't depend on the <ACE_MT_SYNCH> or
                <ACE_NULL_SYNCH> modifers from the ACE_Task template to
                ACE_Task_Base.

          There are two motivations for making this change:

             1. It reduces ``template bloat'' by factoring out common
                code that can be shared between ACE_Task<ACE_MT_SYNCH>
                and ACE_Task<ACE_NULL_SYNCH>.

             2. It makes it possible for the Thread_Manager to use 
                ACE_Task_Base *'s for managing groups of ACE_Tasks
                in a fully polymorphic manner.

          Note that the new changes don't break any existing code that
          uses ACE_Task.  Thanks to Hamutal Yanay
          <Hamutal_Yanay@hub.comverse.com> and Ari Erev's
          <Ari_Erev@comverse.com> for suggesting these changes.  

        * ace/Thread_Manager: Changed the use of ACE_Task<ACE_SYNCH> to
          ACE_Service_Object because this avoids nasty problems with
          template type conflicts.  The right solution is probably to
          create a new non-template base class for ACE_Task called
          ACE_Task_Base and move all the ACE_Task operations into there
          that don't involve the Message_Queue directly.  I'll need to
          think more about this...

        * ace/SOCK_Stream: Added new timed send_n() and recv_n() methods,
          which use the underlying timed ACE::send() and ACE::recv()
          calls.

        * ace/ACE.cpp: Added new timed send_n() and recv_n() methods,
          which use the underlying timed ACE::send() and ACE::recv()
          calls.

Wed Oct 30 00:27:21 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.h: Changed MAXHOSTNAMELEN on Win32 from
          (MAX_COMPUTERNAME_LENGTH+1) (which is around 16 or so) to 256.
          Thanks to Tilo Christ <christ@swl.fh-heilbronn.de> for this
          suggestion.

        * ace: Made #define STRICT a compile time option if the
          ACE_HAS_STRICT flag is enabled.  This prevents ACE from breaking
          existing application (i.e., non-ACE) code.  Thanks to Karlheinz
          for pointing this out!

        * ace/Synch_T.cpp: Fixed a typo in ACE_Condition<MUTEX>::wait
          (void).

          return ACE_OS::cond_wait (&this->cond_, this->mutex_.lock_);

          should read 

          return ACE_OS::cond_wait (&this->cond_, &this->mutex_.lock_);

          Thanks to Dieter Quehl <dietrich.quehl@med.siemens.de> for
          reporting this!

        * ace/Svc_Handler.h: Removed the operator ACE_PEER_STREAM &() from
          the ACE_Svc_Handler class since we don't need it anymore due to
          the changes below.

        * ace/{Acceptor,Connector}.cpp: Removed the use of operator
          ACE_PEER_STREAM &() in the Acceptor::accept() and
          Connector::connect() code and replaced it with
          svc_handler->peer().  This works much better and is more
          intuitive.

Wed Oct 30 00:30:00 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * Registry: Added a Name Service implementation to ACE based on
          Win32 Registry. The ACE_Registry interface is inspired by the
          interface specified in the CORBA Naming Service Specification.
          The implementation is done through Win32 Reg*() functions.
          Other than providing an OO wrapper for the Win32 Reg*()
          functions, ACE_Registry provides an abstraction for iteration
          over the elements of the Registry. This only works on Win32
          platforms (unless you are brave enough to reimplement the
          Win32 Registry API on UNIX and link it in underneath ACE!).

        * ace/Local_Name_Space_T.cpp: Moved SEH out of methods of
          Name_Space_Map to the methods of Local_Name_Space. Some of
          the calls to Local_Name_Space methods used the allocator to
          either malloc or find or free shared memory. Adding SEH to these 
          methods ensured that any exception raised due to remapping would
          be caught and handled appropriately. 

          Also, to fool the stupid MFC compiler, we added _i methods
          so that it stopped bitching about destructors not getting called
          correctly. 

        * Added three new tests to /examples/Naming. Thanks to Lothar for
          providing these tests.  

Tue Oct 29 18:10:09 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/ACE.cpp (send): Integrated a new and simpler version of
          timed ACE::send().  Thanks to Vital Aza <va3@cs.wustl.edu> for
          coming up with this.

        * ace/XtReactor.cpp: When the ACE_Reactor is constructed it
          creates the notify pipe and registers it with the attach()
          method. The XtReactor overloads this method BUT because the
          attach occurs when constructing the base class ACE_Reactor, the
          ACE_Reactor attach() is called not the XtReactor attach().  This
          means that the notify pipe is registered with the ACE_Reactor
          event handling code not the XtReactor and so notfications don't
          work.  To get around this we simply close and re-opened the
          notification handler in the constructor of the XtReactor.
          Thanks to Rodney Skinner <rods@in.ot.com.au> for this fix.

        * ace/XtReactor.cpp (schedule_timer): The ACE_Reactor returns a
          timer_id from it's equivalent call but the XtReactor always
          returns 0.  To fix this we simply replaced the "return 0;" in
          the function with "return result;" Thanks to Rodney Skinner
          <rods@in.ot.com.au> for reporting this.

Tue Oct 29 00:02:44 1996  Douglas C. Schmidt  <schmidt@lambada.cs.wustl.edu>

        * ace/config-win32-msvc4.0.h: Defined the STRICT symbol based on a
          suggestion from Luca.  STRICT type checking in WINDOWS.H
          enhances type safety for Windows programs by using distinct
          types to represent all the different HANDLES in Windows. So for
          example, STRICT prevents you from mistakenly passing an HPEN to
          a routine expecting an HBITMAP.  Note that if you have STRICT
          type checking enabled in one file, but not in another, the C++
          compiler will generate different external link symbols for a
          single function. This will result in link-time errors If you are
          mixing STRICT and non-STRICT code, you must be aware of linkage
          inconsistencies. In general, all MFC programming and all C++
          should be done with STRICT. If you have legacy C code, then not
          using STRICT is acceptable

        * ace/OS.cpp (thr_create): Added a special check for the situation
          where we have both ACE_HAS_PTHREADS and ACE_HAS_STHREADS
          defined.  In this case, we are running on Solaris, where
          ACE_thread_t and ACE_hthread_t are the same.  Therefore, we can
          copy the value of the *thr_id into the *thr_handle.  This
          ensures that the ACE_Thread_Manager behaves correctly with
          respect to suspending and resuming threads and ACE_Tasks.

        * ace/Trace.cpp (ACE_Trace): Changed the use of LM_DEBUG to
          LM_TRACE in the constructor and destructor.  Thanks to Luca for
          this!

        * ace/OS.i: Added a cast to of (HMODULE) handle so that the STRICT
          macro would work correctly for Win32.  Thanks to Luca for this.

        * ace/config-win32-msvc4.0.h: According to Luca, ACE compiles file
          with ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES undefined on NT.  So
          I undefined it!  If there are any problems with this, please let
          me know.
          
        * ace/SOCK_Dgram: Added Luca Priorelli <lucapri@mbox.vol.it>
          implementation of recv() for SOCK Dgrams that allows clients to
          read from a socket without having to provide a buffer to read.

        * examples/Threads/test_task_four.cpp: This is a new test
          program to test the new interfaces.  Thanks to Hamutal Yanay
          & Ari Erev for this.

        * tests/test_config.h: Added a call to the new ACE_OS::mkdir()
          wrapper to create the log directory if one doesn't already
          exist.  This should solve some nasty problems with NT reported
          by Tilo Christ <christ@swl.fh-heilbronn.de>.

        * ace/OS.h: Added a new macro ACE_DEFAULT_DIR_PERMS and changed
          the spelling of the existing ACE_DEFAULT_PERMS to
          ACE_DEFAULT_FILE_PERMS, which is more accurate.

Mon Oct 28 21:35:12 1996  Douglas C. Schmidt  <schmidt@lambada.cs.wustl.edu>

        * ace/OS.h: Added a wrapper for the mkdir() system call.  We need
          it for some of the tests.

        * ace/Task: Changed the name of ACE_Task_Exit<>::set_this() to
          ACE_Task_Exit<>::set_task().  Thanks to Hamutal Yanay & Ari Erev
          for suggesting this.

        * ace/{Task,Thread_Manager}: Integrated Hamutal
          <Hamutal_Yanay@hub.comverse.com> Yanay & Ari Erev's
          <Ari_Erev@comverse.com> enhancements to add ACE_Task support
          to the ACE_Thread_Manager.  This allows the ACE_Thread_Manager to
          know about ACE_Tasks directly, rather than knowing
          indirectly via their lower-level thread IDs.  The changes
          are described below:

           - Added a parameter to the activate() method. It is used to
             pass an ACE_Task* to spawn_n().

           - Modified suspend() and resume() to call
             thrMgr->suspend_task() and thrMgr->resume_task() instead of
             thrMgr->suspend_grp() and thrMgr->resume_grp().

           - Added an ACE_Task * parameter to spawn_n().

           - Added an ACE_Task * parameter to append_thr().

           - append_thr() uses the ACE_Task * input parameter to
             initialize the thread descriptor.

           - Added the following methods:
               apply_task()
               suspend_task()
               resume_task()
               kill_task()
               resume_task()
               cancel_task()
               find_task()

               num_tasks_in_group()
               num_threads_in_tasks()

               task_list()
               thread_list()
               hthread_list()

               set_grp() Like the current set_grp() but gets an ACE_Task *
                         as input. 
               get_grp() Like the current set_grp() but outputs an
                         ACE_Task *. 

               wait_task() 
               wait_group()

Sun Oct 27 11:25:00 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS: modified the ACE_OSCALL_RETURN macro so that we'll
          no longer have zillions of warnings about _result not
          used...

        * ace/Synch_T: Changed the use of ACE_Mutex for ACE_TSS to
          ACE_Thread_Mutex.

        * ace: Added the necessary template specializations to get ACE
          compiled correctly with G++.

        * ace/Log_Msg.h: There were some places in the ACE_{DEBUG,ERROR}
          macros that should have been using __ace_error but there still
          using errno (which is wrong since this might be changed due to
          side-effects of calling ACE_Log_Msg::instance()).  I found this
          problem due to the use of -Wall with G++!  As a result of this
          fix, ACE now compiles much more cleanly with gcc -Wall.

        * ace/Strategy: Improved the scheme used to define the PEER_ADDR
          type of the ACE_Accept_Strategy so that it will work correctly
          on platforms whose C++ compilers aren't quite up to handling all
          variants of template typedefs.  In particular, many platforms
          don't support the use of template typedefs in parameter names...

        * ace/OS: HP/UX omitted the const in the prototype of
          const_timewait().  Therefore, I added a new typedef to handle
          this and updated all the HP/UX config*.h files.

        * ace: Added a new config file (config-sunos5.5-sunc++-4.1.h)
          which reflects the fact that SunC++ 4.1 fixes template bugs that
          prevented earlier versions from supporting template typedefs
          correctly.  The new config file #defines
          ACE_HAS_TEMPLATE_TYPEDEFS.

Sat Oct 26 02:22:25 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace: On the advice of David Levine, I compiled ACE with gcc
          -Wall and started to fix lots of minor warnings (e.g.,
          misordered data member initializations).

        * ace/Local_Tokens.h: Changed the destructors of ACE_Mutex_Token,
          ACE_RW_Token, ACE_Token_Proxy, and ACE_RW_Token to be virtual.

        * ace/Synch_T.h: Changed the destructor of ACE_TSS to be virtual.

        * ace/OS: Changed the prototype of ACE_OS::select() so that it
          uses const ACE_Time_Value *.

        * Updated all uses of ACE_Malloc to use the new ACE_*_MEMORY_POOL
          #defines.  This makes it possible to use the ACE_Malloc<> scheme
          with lame C++ compilers.

        * ace/ACE: Changed the interface of the new timed send/recv calls
          to use ACE_Time_Value *, which makes it easier to determine
          the blocking semantics at runtime.  Thanks to Bill Fulton
          <bill@fasttrack2.bscc.bls.com> for suggesting this.

Sat Oct 26 15:55:02 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/OS.h: We determined that MSVC++ is capable of supporting
          template typedefs.  Therefore, we can enable the
          ACE_HAS_TEMPLATE_TYPEDEFS flag, which makes life much easier for
          end users!

Fri Oct 25 23:16:16 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * examples/Shared_Malloc/test_multiple_mallocs.cpp: Added a new
          test that demonstrates the new ability of ACE_Malloc<> to to
          handle multiple mallocs rooted at different base addresses.

        * ace/Memory_Pool: Fixed this stuff so that it works even when C++
          compilers can't grok template typedefs.

        * ace: Put all the macros that handle the fact that many C++
          compilers have broken template implementations into one place
          (OS.h), rather than having this spread out in many files.

        * In ACE_MMAP_Memory_Pool::init_acquire (), we reset errno to 0 in
          the case where the file already exists (and errno == EEXIST).

        * Added an ACE_*_Memory_Pool_Options class to each Memory Pool
          class. The Options class allows detailed parameters to be passed
          to the constructor of the Memory Pool class. Since a typedef'd
          Options class was added to every Memory Pool class, this gave us
          the ability to use traits in ACE_Malloc and
          ACE_Allocator_Adapter to construct generic Memory Pools that can
          be initialized uniquely for each instance of ACE_Malloc.  Note
          that this new feature only works for C++ compilers that support
          template typedefs correctly (e.g., MSVC++ 4.x, SunC++ 4.1,
          and the AIX C++ compiler).

        * Added additional constructors to ACE_Malloc and
          ACE_Allocator_Adapter to allow Options to be passed in to Memory
          Pool.

        * Added an extra field in ACE_Name_Options which allows
          specification of the base address of the memory pool. This is
          now used by ACE_Local_Name_Space::create_manager() to create an
          ACE_Allocator_Adapter.  This now allows us to have multiple
          ACE_Naming_Context simultaneously in the same process address
          space.

        * Also added error checking for constructors (in
          ACE_Local_Name_Space and ACE_Malloc) by checking errno
          values. This is a "hack" since we currently do not use exception
          handling.

Thu Oct 24 02:43:11 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * examples/Connection/misc/Makefile: The Makefile in
          ACE_wrappers/examples/Connection/misc seems to have been
          truncated.  I replaced it.  Thanks to Alan Stewart
          <axs2@osi.com> for reporting this.

        * examples/IPC_SAP/SOCK_SAP/CPP-{inclient,inserver}.cpp: Updated
          these examples to use the new timed send()/recv() operations.

        * ace/SOCK_IO: Added timed send()/recv() methods, using the base
          level implementations in class ACE.

        * ace/ACE: Added timed send()/recv() methods.

Wed Oct 23 19:56:45 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * examples/IPC_SAP/SOCK_SAP/CPP-inclient.cpp (main): Changed the
          behavior of the test program so that it doesn't take a
          local_addr, but rather will use the default (this prevents a
          common problem that happens when users run the test without
          reading the README file).

        * ace/ACE.cpp: Added a new method (get_flags) that returns the
          current setting of flags associated with handle.

        * Start of a brave new world: ACE is now under CVS version
          control...  Thanks to David Levine and Chris Cleeland
          for making this happen.

Sat Oct 19 12:33:56 1996  David L. Levine  <levine@cs.wustl.edu>

        * added ACE threads mappings to VxWorks 5.2 tasks in OS.*.
          NOTE:  this is _untested_ at this point, but only affects
          VxWorks code

        * changed name of first argument of ACE_OS::sigprocmask() and
          ACE_OS::thr_sigsetmask() from "signum" to "how" to better
          represent what it really is.

Wed Oct 16 01:59:40 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Log_Record.cpp (print): added Luca's suggestion for checking
          if host_name == 0 for the ostream version of print(), as well.

        * Released version of ACE 4.0.32 for testing.

        * ace/Synch.h: Added many small fixes for HP/UX 10.x.  Thanks to
          Alan Stewart <axs2@osi.com> for providing these.

        * ace/OS.h: Added many new ACE_LACKS* and ACE_HAS* macros to
          support the MVS port.  Thanks to Chuck Gehr
          <gehr@sweng.stortek.com> for these.

Tue Oct 15 11:56:59 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.h: in a continuing effort to protect the ACE namespace,
          I've changed ace/OS.h around lines 127-137 so that "SYNCH" and
          "SYNCH_MUTEX", etc. are prefixed with "ACE_".  Thanks to Alan
          Stewart <axs2@osi.com> for suggesting this.

        * ace/Local_Tokens.h: Removed an unnecessary parameter name
          that was unused.   Thanks to Stuart Powell <stuartp@in.ot.com.au>
          for reporting this.

Tue Oct 15 17:03:37 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/ReactorEx.cpp (handle_events): Fixed a bug in handle_events
          so that the correct handlers get called when multiple handles
          become signaled simultaneously.  Thanks to Ari Erev
          <Ari_Erev@comverse.com> for pointing out this bug.  I also took
          this opportunity to fix a bug when handlers are removed during
          handle_events.

        * examples/Reactor/ReactorEx/test_remove_handler.cpp: Added a new
          application that tests how the ReactorEx services simultaneous
          events and removes handlers.  This example also illustrates the
          use of the new ACE_Events wrapper.  Check
          examples/Reactor/ReactorEx/README for more details.

Mon Oct 14 11:43:18 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * tests: Added a new version of run_tests.sh, which was
          contributed by Michael Rueger <mike@SYSCOMP.DE>.

        * examples/Logger/simple-server/Logging_Handler.cpp (handle_input)
          and examples/Logger/Acceptor-server/server_loggerd.cpp
          (handle_input): Changed from stderr to cerr to work around bugs
          with the C run-time libraries on Win32.  Thanks to Tilo Christ
          <christ@swl.fh-heilbronn.de> for suggesting this.

Mon Oct 14 11:09:42 1996  Prashant Jain  <pjain@merengue.cs.wustl.edu>

        * ace/Local_Name_Space_T.cpp (remap): Added processor specific
          stuff to remap(). The code was taken from the book "Win32
          Network Programming" by Ralph Davis (p.18) and takes care of
          cases specific to the 80x86 processor. The code ensures that the
          registers are set properly when we continue execution after an
          exception.

Sun Oct 13 21:18:38 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Log_Record.cpp (print): Added a test to make sure that the
          value returned from ctime_r != 0 (e.g., if time_stamp_ == -1) in
          order to avoid crashes.

        * examples/Logger/client/logging_app.cpp (main): Moved the
          construction of the ACE_Log_Record log_record object into the
          loop so that it will be recreated each time through.  If this
          isn't done, then we'll be continually "encoding" values into
          network byte order that have already been encoded and screwing
          things up on little-endian machines (such as Intel).  Thanks to
          Irfan and Tilo Christ <christ@swl.fh-heilbronn.de> for pointing
          me in the right direction on this.

        * ace/Log_Record.cpp: Changed the default constructor so that it
          gives default initializations to the data members.

        * examples/Logger/Acceptor-server/server_loggerd.cpp (handle_input): 
          Fixed a couple of typos where 

          Logging_Handler::handle_input (int)

          should be:

          Logging_Handler::handle_input (ACE_HANDLE)

          and

          size_t len;

          should be:

          ssize_t len;

          Thanks to Irfan for finding these.

Sat Oct 12 08:48:23 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * Released a beta version of ACE 4.0.32 for testing.

        * ace/Log_Record.cpp: rewrote the code a bit to try and avoid
          problems on NT when host_name == 0.

        * ace/Log_Record.cpp: Changed the use of ACE_OS::ctime() to
          ACE_OS::ctime_r() to avoid problems that might arise when
          ACE_Log_Record::print() is called from multiple threads.

        * ace/Log_Record.cpp: Commented out calls to ACE_TRACE to avoid
          weird problems with circular dependencies.  Thanks to Luca
          Priorelli <lucapri@mbox.vol.it> for suggesting this.

        * build/SunOS5.5/examples/Makefile: Added the Logger directory to
          the list of targets that are build automatically by Make.

Fri Oct 11 17:13:03 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace: Fixed lots of small warnings revealed when using the
          Greenhills compiler on VxWorks.  Thanks to David Levine for
          this.

        * ace/Pipe.h: In Pipe.h, the return value of ACE_Pipe::close()
          isn't explicitly declared, so some compilers gag.  Thanks to
          David Levine for this.

Thu Oct 10 12:05:55 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Thread.cpp: Correctly wrapped the methods in the *.cpp file
          so that they are ignored if threads *aren't* supported.

        * ace/Service_Repository.cpp (remove): Added the ACE_MT in front
          of all the ACE_GUARD* macros that utilize ACE_Thread* locks in
          order to ensure that ACE compiles correctly on all non-MT
          platforms.

        * examples/Shared_Malloc/Malloc.cpp: Removed the special purpose
          class for PROCESS_MUTEX since ACE_Process_Mutex will now work
          for non-MT platforms.

        * examples/Misc/test_dump.cpp: Changed all occurrences of

          cerr << "string " << this << endl;

          to 

          cerr << "string " << (u_long) this << endl;

          to work around problems with IRIX 5.3.  Thanks to Tilo Christ
          <christ@swl.fh-heilbronn.de> for reporting this.

        * ace/config-linux.h: Added a // in front of a stray comment line.
          Thanks to Neil Cohen for pointing this out.

        * ace/config-hpux-10.x-g++.h: Added a new config file for HP/UX
          10.x which should fix some problems with templates by using the
          G++ compiler.  Thanks to <afarahat@CCGATE.HAC.COM> for
          contributing this.

Wed Oct  9 14:34:19 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS: Changed the logic of socket initialization, which has
          been moved out of ACE_SOCK and into ACE_OS.  This makes it
          possible to program more fully at the ACE_OS API (if such a
          crazy thing is really necessary ;-)).

        * examples/IPC_SAP/SOCK_SAP/C-in{client,server}.cpp: Fixed up the
          client and server apps so they will work on NT
          (i.e., replaced the use of int with ACE_HANDLE).  Thanks to Joe
          DeAngelis <bytor@faxint.com> for suggesting this.

        * ace/Synch.h: Now that we've got support for POSIX semaphores on
          Solaris, then we'll use them (when they are supported...) as the
          implementation of ACE_Process_Semaphore rather than using the
          slower ACE_SV_Semaphore_Complex stuff...

        * ace/OS.{h,i}: Added David Levine's support for named POSIX
          semaphores.  If ACE_HAS_POSIX_SEM is defined, then ACE_Semaphore
          will construct a named POSIX semaphore if passed a non-null
          name, or an unamed POSIX semaphore if passed a null name.  This
          is a great addition because POSIX semaphores are more powerful
          and useful than the Solaris UI semaphores.  Unfortunately,
          Solaris 2.5 doesn't support them (yet).

Tue Oct  8 16:00:00 1996  Irfan Pyarali  <irfan@flamenco.cs.wustl.edu>

        * ace/OS: Integrated Irfan's encapsulation/emulation for Win32
          Events at the ACE_OS level. A new structure ACE_event_t was
          created to support Events on non-WIN32 platforms.  On WIN32
          platforms ACE_event_t is just a HANDLE.  On non-WIN32 platforms,
          ACE_event_t uses a combination of mutexes, condition variables,
          and counters to emulate Events. Both auto-reset and manual-reset
          events are supported.

        * ace/Synch: Integrated Irfan's encapsulation/emulation for Win32
          Events at the C++ wrappers level. There are three wrappers that
          were created: ACE_Event, ACE_Auto_Event, and ACE_Manual_Event.
          ACE_Event is a wrapper for the ACE_event_t structure. It
          provides functionality for signal, wait, pulse, and reset on an
          event. ACE_Event supports both auto-reset and manual-reset
          events. However, specializations of ACE_Event were created
          (ACE_Manual_Event and ACE_Auto_Event) to make it easier to use
          Events.

        * examples/Threads/test_manual_event.cpp: A test for manual-reset
          events. The test involves the creation and use of a barrier
          which uses an ACE_Manual_Event.

        * examples/Threads/test_auto_event.cpp: A test for auto-reset
          events. The test involves the use of an ACE_Auto_Event for
          signaling threads.

Tue Oct  8 15:45:01 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/DEV.cpp (ACE_DEV): Removed a stray call to
          ACE_IO_SAP::dump().  Thanks to Brad Flood <BFLOOD@tcs.lmco.com>
          for this fix.

        * ace/OS.i: Added ACE_HAS_CHARPTR_SOCKOPT for VxWorks.  Thanks to
          David Levine for this.

        * ace/Dump.cpp (instance): Added an ACE_MT() macro around the
          ACE_GUARD_RETURN macro so that this will compile correctly on
          non-threaded platforms.  Thanks to David Levine for this.

        * ace/OS.h: the declaration of ACE_OS::msgctl needs "struct
          msqid_ds" instead of just "msqid_ds" to compile with the
          Greenhills C++ compiler.  Thanks to David Levine for this...

        * ace/Local_Name_Space_T.h: Added #include "ace/Local_Name_Space.h" 
          to avoid a problem during template generation.  Thanks to 
          Chris Lahey for this fix.

        * ace/OS.i (getprotobynumber_r): Added a pair of fixes from Chris
          Lahey to get the ACE wrappers for the getprotoby*_r() methods to
          compile on AIX.

        * examples/Threads: Added two new examples (test_auto_event.cpp
          and test_manual_event.cpp) that exercise the new ACE_Event
          mechanisms.

        * ace/Synch: Integrated Irfan's encapsulation/emulation for Win32
          Events at the C++ wrappers level.

        * ace/OS: Integrated Irfan's encapsulation/emulation for Win32 
          Events at the ACE_OS level.

Fri Oct  4 08:32:47 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.i: Added David Levine's new ACE_OS::mktemp() implementation.

Wed Oct  2 13:26:20 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/SV_Message_Queue.i: Changed the casts of (msgbuf *) to
          (void *).

        * ace/OS.i: Added David Levine's implementation of inet_addr() for
          VxWorks.

        * ace/OS.i: Continued to merge together various parts of Win32 and
          UNIX to reduce redundancies.

Tue Oct  1 15:03:42 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.i: Added Chuck Gehr's new changes to ACE_OS::mutex_init()
          and ACE_OS::cond_init() to handle the MVS Pthreads madness.

        * ace/OS.i: Added zillions of #ifdefs for VXWORKS.  It's amazing
          these guys call themselves POSIX compliant -- lots of stuff is
          missing.  Thanks to David Levine for doing this!

        * ace/OS.cpp: Added David Levine's implementation of mktemp()
          for platforms that don't support it.

        * ace/OS.h: Added a bunch of minor changes for VXWORKS.  In
          addition, started to factor out common #ifdefs to make the code
          easier to maintain.

        * ace/OS.h: Added a new macro for ACE_LACKS_UTSNAME, and factored
          this out for both VxWorks and Win32.

        * ace/Time_Value.h: Added support for 2 VXWORKSisms: (1) we need
          to #include sys/times.h rather than the standard UNIX sys/time.h
          and (2) we need to change const timeval & to const struct
          timeval & to keep the Greenhills compiler happy.  Thanks to
          David Levine for this.

        * ace/INET_Addr.cpp: Added support for the insane VXWORKS
          hostGetByName() function.  Yikes!  Thanks to David Levine for
          this.

        * ace/Memory_Pool.cpp: Added a new #define called ACE_LACKS_SBRK
          and ACE_LACKS_SYSV_SHMEM, which is enabled on Win32 and VxWorks.
          Thanks to David Levine for reporting this.

        * ace/OS.h: Added new macros that #define ETIME for platforms like
          VxWorks that don't support it, but do support ETIMEDOUT.

        * ace/OS.h: Added placeholder #defines for USYNC_PROCESS and
          USYNC_THREAD when !defined (ACE_HAS_THREADS).  Thanks to Neil
          Cohen for reporting this.

Tue Oct  1 00:42:35 1996  Douglas C. Schmidt  <schmidt@polka.cs.wustl.edu>

        * ace/Message_Block.cpp (size): Member base_ of ACE_Message_Block
          was being set to the new memory pointer before the old contents
          are saved in method size.  So the line 

          this->base_ = buf;

          was moved to a place some lines below.  Thanks to Marco Sommerau
          <sommerau@informatik.uni-stuttgart.de> for detecting this.

        * ace/Message_Queue.cpp: Changed the implementation of the
          enqueue_i() method so that FIFO order is maintained when
          messages of the same priority are inserted consecutively.
          Thanks to Jay Denkberg <jay_denkberg@comverse.com> for
          suggesting this.

Mon Sep 30 22:59:38 1996  Douglas C. Schmidt  <schmidt@polka.cs.wustl.edu>

        * ace/OS.i (thr_yield): Added a new macro ACE_HAS_YIELD_VOID_PTR
          to make pthread_yield work on MVS.  Thanks to Chuck Gehr
          <gehr@sweng.stortek.com> for this fix.

        * ace/OS: Added a new macro called ACE_HAS_TIMEZONE_GETTIMEOFDAY
          that handles problems on MVS.  Thanks to Chuck Gehr
          <gehr@sweng.stortek.com> for this fix.

Mon Sep 30 13:45:10 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Local_Tokens.h: Updated some documentation in all the Token
          files.

Mon Sep 30 18:01:12 1996  Prashant Jain  <pjain@merengue.cs.wustl.edu>

        * netsvcs/lib/: Renamed files Logger.{h,cpp} to
          Logging_Strategy.{h,cpp} to avoid confusion with Server_Logging
          and Client_Logging stuff. In addition, I modified the affected
          files, including Makefile, README, and the config files in the
          tests directory.

Sun Sep 29 12:47:37 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.h: Added Chuck Gehr <gehr@sweng.stortek.com> fixes for
          MVS to enable signals to work correctly.

        * ace/Time_Value.h: Added an extern "C" { } block around #include
          <pthreads.h> to solve a problem with Linux.  Thanks to Padhu
          Ramalingam <padhu@magicnet.net> for reporting this.

        * netsvcs/lib/Server_Logging_Handler.cpp: Changed the
          initialization of a static template object from ::request_count_
          (0L) to ::request_count_ = 0L.  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for reporting this.

        * ace/Remote_Tokens.h: Moved the inclusion of "Singleton.h" from
          Remote_Tokens.cpp to Remote_Tokens.h.  This should avoid
          template instantiation problems on some platforms (e.g., Irix
          6.2).

        * ace/config-irix6.2-sgic++.h: Changed ACE_HAS_SIGINFO to
          ACE_HAS_SIGINFO_T and added ACE_HAS_UCONTEXT_T.  Thanks to
          Gonzalo Diethelm <gonzo@ing.puc.cl> for reporting this.

        * ace/Token_Invariants.h: The ctor/dtor were private and the
          compiler would not allow a template of the class to be created.
          I switched them to public, but I wish there was a better way...
          Thanks to Gonzalo Diethelm <gonzo@ing.puc.cl> for reporting
          this.

        * ace/Synch_T.h: #include'd "ace/Event_Handler.h".  Thanks to
          Gonzalo Diethelm <gonzo@ing.puc.cl> for reporting this.

        * ace/Synch.h: The parameter name gives warnings when
          instantiating templates.  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for reporting this.

        * ace/Process: Changed the definition of the get_pid() method to
          getpid() to avoid a conflict with Irix.  Thanks to Gonzalo
          Diethelm <gonzo@ing.puc.cl> for reporting this.

        * ace/Log_Msg.cpp (log): Added another #elif !defined (ACE_WIN32)
          to handle logging for OS platforms that (1) aren't Win32 and (2)
          are versions of UNIX that don't support STREAM pipes.  Thanks to
          Gonzalo Diethelm <gonzo@ing.puc.cl> for reporting this.

        * ace/Acceptor.cpp (handle_signal): Erased the signum parameter
          name to avoid a nasty warning about arguments not used when
          instantiating templates.  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for reporting this.

        * ace/OS.h: Added the ACE_Export symbol to the definition of
          ACE_Str_Buf.  This makes it compile and link on NT.  Thanks to
          Prashant for noticing this (our favorite Win32ism...).

        * ace/Thread.h (ACE_Thread): Removed a default argument for one of
          the ACE_Thread::join() wrappers so this won't be ambiguous with
          the other join() wrapper.

        * ace/OS: Added a new wrapper for strtok_r().

Sun Sep 29 16:12:01 1996  Prashant Jain  <pjain@merengue.cs.wustl.edu>

        * netsvcs/lib/: Renamed the project file for Win32 from lib.mdp to
          netsvcs.mdp. Also the original project file did not include some
          files such as Naming_Handler.cpp and Server_Logging_Handler.cpp
          and I fixed that. Finally removed two files System_Time.{h,cpp}
          which are already present in ace/.

Sat Sep 28 16:34:56 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS: Added a new overloaded select() method that takes a
          const ACE_Time_Value &.  This is useful for situations where you
          are passing in ACE_Time_Value::zero.

Fri Sep 27 16:20:46 1996  Douglas C. Schmidt  <schmidt@polka.cs.wustl.edu>

        * ace/ACE: Added a fix for the fact that VxWork's write() call
          doesn't take a const char *.

        * ace: Started adding support for VxWorks and GreenHills compiler,
          e.g., added the config-vxwork-ghs-1.8.h file.  Thanks to David
          Levine <levine@cs.wustl.edu> for getting this rolling!

Thu Sep 26 00:15:46 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Timer_Queue: Changed the public interface methods to be
          virtual in order to make it possible to override them in
          subclasses.  This makes it feasible to implement different types
          of Timers.

        * ace/OS: Added a wrapper for the strspn() string call.  Thanks to
          Irfan for noticing this omission.

        * ace/Synch_T.cpp (wait): Changed the line:

          return ACE_OS::cond_wait (&this->cond_, this->mutex_);

          to

          return ACE_OS::cond_wait (&this->cond_, &this->mutex_.lock_);

          Thanks to Dieter Quehl <dietrich.quehl@med-iss1.med.siemens.de>
          for noticing this.

        * ace/config-sunos5.4-g++.h: Removed the #define for
          ACE_HAS_BROKEN_RANDR and replaced the ACE_HAS_SVR4_SIGNAL_T with
          ACE_HAS_CONSISTENT_SIGNAL_PROTOTYPES since it looks like the
          latest gcc release (2.7.2) fixes this in their own header files.

Sat Sep 21 10:45:43 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.h: Added a new #define called ACE_HAS_BROKEN_MSG_H to the
          config-osf1-3.2.h file and used it in OS.h to work around
          problems with <msg.h> prototypes on that platform.

Fri Sep 20 00:15:29 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * Released version 4.0.31 for testing.

        * ace/Pipe.cpp: Initialize handles_ to ACE_INVALID_HANDLE in
          default constructor.  Thanks to Tim Harrison for pointing this
          out.

        * ace: Copied in new versions of ace.{mak,mdp} for Win32.

        * ace: Added TTY_IO.cpp to the Makefile.

        * ace/config-win32-msvc[24].0.h: Updated the config file so that
          it *doesn't* #define ACE_HAS_STRBUF_T since this type clearly
          isn't available on Win32!

        * ace: Modified all of OS.i and config-*.h files so that they
          would be consisten with respect to handling the size_t and int
          differences in socket implementations.  Thanks to Chuck Gehr
          <gehr@sweng.stortek.com> for helping with this for AIX.

        * ace/ACE.h (ACE): Added a new method called max_handles() that
          returns the maximum number of open handles currently supported
          by the process.

        * examples/Reactor/Misc/signal_tester.cpp: Revised the test to
          utilize the new idioms for programming with signals.

        * ace/OS.h: added a new #define called ACE_DEV_NULL that defaults
          to "/dev/null" on UNIX and "nul" on NT.  Thanks to David Trumble
          <trumble@steosf.nio.dec.com> for reporting this fix.

        * ace/Log_Msg.cpp: Added some checks to make sure that we don't
          try to strdup() if we are passed a NULL pointer.  Thanks to Luca
          for suggesting this.

        * ace/OS: Move ACE_Str_Buf into OS.{h,i} and remove the Str_Buf.h
          file.

        * Makefile: Added the "performance-tests" directory to the list of
          directories we build when making ACE.

        * ace: Moved the definition of strbuf from Str_Buf.h into OS.h.
          Thanks to Irfan for recommending this.

        * ace/Makefile: Added some additional sed magic on the
          Svc_Conf_y.cpp file in order to remove the very last warnings
          from MSVC++!

Thu Sep 19 00:00:17 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Service_Config.cpp (open): Only initialize the logger to use
          STDERR if the user hasn't already set the ACE_Log_Msg::flags().
          Thanks to Tom Leith <trl@icon-stl.net> for suggesting this.

        * ace/OS: Removed all traces of the ACE_HAS_INT_SOCKNAME and
          ACE_HAS_LENPTR_SOCKOPT since Chris Lahey's new fixes for AIX
          obviate the need for these.

        * ace/OS.i: Only #include <rpc/rpc.h> if the platform has RPC!
          Thanks to Chuck Gehr <gehr@sweng.stortek.com> for suggesting
          this.

        * ace: Removed all uses of ACE_HAS_SETOWN and replaced them with
          explicit tests for F_SETOWN and FASYNC.  This is more portable.
          Thanks to Chuck Gehr <gehr@sweng.stortek.com> for suggesting
          this.

        * ace/OS: Added a new #define called ACE_HAS_SIZET_SOCKET_LEN to
          handle platforms where the length parameter of bind(),
          connect(), accept(), etc. uses size_t rather than int.  This
          helps to get ACE working on MVS.  Thanks to Chuck Gehr
          <gehr@sweng.stortek.com> for suggesting this.

        * ace/OS: Added Chris Lahey's fixes that make the
          getprotoby{name,number}_r() functions work for AIX.

        * ace: Changed the ACE_HAS_STRUCT_HOSTENT_DATA to
          ACE_HAS_STRUCT_NETDB_DATA because we use a single symbol to
          refer to all of the odd netdb.h stuff that AIX has...

        * ace: Changed all uses of:

          iovec *iovp = (iovec *) alloca (total_tuples * sizeof *iovp);

          to

          iovec *iovp = (iovec *) alloca (total_tuples * sizeof (iovec));

          to keep the AIX compiler from complaining (falsely) about using
          iovp before it is initialized.  Thanks to Chris Lahey for
          reporting this.

        * ace/OS.h: Added Chris Lahey's changes that handle AIX's
          _XOPEN_EXTENDED_SOURCE features without polluting all the socket
          implementations!

        * ace/Thread.cpp (spawn_n): Removed an unreferenced local variable
          so that the Win32 compiler doesn't complain.

        * ace/OS.h: Added the definition for strbuf{} for NT.

        * ace: Removed the msg_hack.h file since it had OSF and DEC
          copyright info in it.  Replaced this with Antonio Tortorici's
          <antonio@rh0011.roma.tlsoft.it> clever use of _KERNEL and the
          new ACE_LACKS_SYSV_MSQ_PROTOS.

        * ace/INET_Addr.h: Updated the documentation to indicate more
          clearly the use of getservbyname().

        * ace/OS.cpp (thr_create): Added basic hooks to support the use of
          AfxBeginThread on Win32.  This is necessary to allow ACE to work
          seemlessly with MFC applications.  Added an THR_USE_AFX flag
          that can be "or'd" in with the other thread flags in calls to
          ACE_OS::thr_create().  If this flag is enabled *and* if we are
          compiling with ACE_HAS_MFC enabled, then AfxBeginThread() is
          called rather than _beginthreadex().

        * ace/INET_Addr.h (set): Fixed a typo in the documentation for
          set() (the order of "host:port" was backwards...).  Thanks to
          Brad Flood <BFLOOD@tcs.lmco.com> for reporting this.
 
Wed Sep 18 00:36:01 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/SOCK_IO.cpp: Added a new recv() method that allows a client
          to read from a socket without having to provide a buffer to
          read.  This method determines how much data is in the socket,
          allocates a buffer of this size, reads in the data, and returns
          the number of bytes read.  The caller is responsible for
          deleting the memory.  Thanks to Luca Priorelli
          <lucapri@mbox.vol.it> for suggesting this.

        * ace/OS.h: Added a special #ifdef for IRIX 6.2 threads so that
          THR_BOUND and THR_SCOPE_SYSTEM are different.  Thanks to Gonzalo
          Diethelm <gonzo@ing.puc.cl> for reporting this.

        * ace/Message_Block.i (msg_class): Added a new "class" of messages
          to ACE_Message_Block: MB_USER.  This is useful for writing
          extensible applications a la Microslush Windows MSG stuff...

Tue Sep 17 16:38:44 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Message_Block: Changed the signature of the
          ACE_Message_Block constructors (and init()) so that they take
          const char * rather than char *.  In addition, changed the
          definition of one of the constructors (and init()) so that it
          takes a size field in addition to the buffer.

        * ace/Message_Block.cpp (size): Fixed a bug in the
          ACE_Message_Block::size() method -- we were failing to deal with
          allocators and ownership correctly during a resize.  Thanks to
          Amos Shapira <amos_shapira@mail.icomverse.com> for reporting
          this.

        * ace/Naming_Context.cpp: Removed the source of yet another
          warning about "inconsistent dll linkage.  dllexport assumed."

        * ace/Mem_Map.cpp (map_it): Added a cast to size_t (file_len)
          because by this time we know that file_len >= 0.  This avoids
          yet another warning on WinNT!

        * ace/Reactor.h: Fixed the remaining warnings about
          "signed/unsigned mismatch" in Win32 by changing the type of
          cur_size_ from size_t to ssize_t.

        * ace/Log_Msg.cpp: Modified the code so that on NT we use
          ACE_SPIPE_Msg rather than ACE_FIFO_Send_Msg.  Thanks to Luca
          Priorelli <lucapri@mbox.vol.it> for suggesting this.

        * ace/OS.i: Implemented the and put[p]msg() wrappers by being
          smart about allocating and copying data.

        * ace/TTY_IO.cpp (control): There was one too many end parentheses
          on line 192 of TTY_IO.cpp.  Thanks to Dave Trumble
          <trumble@steosf.nio.dec.com> for reporting this fix.

        * ace/Log_Msg.cpp (local_host): Fixed the use of program_name_ and
          local_host_ so that they strdup() the values passed by the
          users, rather than copying pointers.  This avoids problems if
          the user doesn't pass in static memory.  Thanks to Luca
          Priorelli <lucapri@mbox.vol.it> for reporting this.  Somehow
          this change got lost and I've reapplied it...

        * ace/Log_Record.cpp (round_up): Added an extra + 1 to the length
          since otherwise the final '\0' gets lots if len is a multiple of
          8.  Thanks to Luca Priorelli <lucapri@mbox.vol.it> for reporting
          this.  Somehow this change got lost and I've reapplied it.

        * ace/Memory_Pool.h: removed #if defined (ACE_HAS_SIGINFO_T) logic
          from both handle_signal() definitions (ACE_Shared_Memory_Pool
          and ACE_MMAP_Memory_Pool).  Thanks to Chris Lahey for fixing
          this.

        * ace/OS.h: Moved the define of SA_RESTART below the #include for
          signal.h.  Otherwise SA_RESTART will always be defined by OS.h,
          since SA_RESTART is defined on AIX in signal.h.  Thanks to Chris
          Lahey for fixing this.

        * ace/OS.h: Added some new #pragmas to suppress harmless warnings
          for the MSVC++ compiler.

Tue Sep 17 13:20:53 1996  Prashant Jain  <pjain@merengue.cs.wustl.edu>

        * ace/Local_Name_Space_T.cpp: Modified ACE_Local_Name_Space::
          create_manager () so that all three naming scopes use the
          database variable defined in Name Options. This allows us to
          specify different names for databases for all three naming
          contexts. However, it is imporant to note that this can lead to
          potential problems where, for example, a process may use the
          same name for PROC_LOCAL database as an already existing
          NET_LOCAL database.

Mon Sep 16 01:31:21 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * examples/Logger/simple-server/Logging_Handler: get_handle(),
          handle_input(), and handle_close() want the right types
          (ACE_HANDLE instead of int).  Thanks to Luca Priorelli
          <lucapri@mbox.vol.it> for reporting these.

        * examples/Logger/simple-server/Logging_Acceptor.cpp: Fixed a typo
          (Log_Mskg.h should be Log_Msg.h of course...).  In addition,
          changed the use of -1 to ACE_INVALID_HANDLE.  Thanks to Luca
          Priorelli <lucapri@mbox.vol.it> for reporting these.


        * ace: Changed all uses of ACE_HAS_ACE_INLINED_OSCALLS to
          ACE_HAS_INLINED_OSCALLS.  This was a vestiage of a global
          replace gone amok.  Thanks to Alan Stweart <Axs2@osi.com> for
          reporting this!

        * ace/Log_Msg.cpp (open): Added a check for the OSTREAM flag in
          the ACE logger.  Thanks to Rick Orr
          <rorr@costello.den.csci.csc.com> for noticing this.

        * Released version 4.0.30 for testing.

        * netsvcs/clients/Naming/Dump_Restore/Dump_Restore.cpp
          (Dump_Restore): Deleted an extra "return 0;" within a
          constructor (duh...).

        * examples/Threads/test_process_{semaphore,mutex}.cpp (main):
          Fixed some annoying G++ compiler bug related problems.  We need
          to use old-style C casts to prevent ambiguous parsing.

        * examples/ASX/Event_Server/Transceiver/transceiver: Rewrote this
          example to illustrate how to use the ACE_Connector and
          ACE_Svc_Handler.

        * examples/ASX/Event_Server/Transceiver/transceiver: Finally clued
          in and realized that it is just not suitable to implement the
          event server transceiver with separate threads for input and
          output.  It is simply to non-portable to get these shut down
          gracefully.  I think John Ousterhout was right -- threads are
          evil!
          
        * examples/ASX/Event_Server: Merged the Consumer/Supplier
          directories into a single Transceiver directory to reflect the
          fact that the Consumer and Supplier were completely symmetrical!

        * ace/Module.cpp (close): Don't delete the Tasks in a Module if
          there are still threads running in them.  Otherwise we'll end up
          with a big mess.

Mon Sep 16 15:50:45 1996  Prashant Jain  <pjain@merengue.cs.wustl.edu>

        * performance-tests/Misc/test_naming.cpp: Added a new test to the
          performance-tests directory called test_naming which simply does
          performance testing on Naming Service. The test runs both the
          SYNC and the NO-SYNC version of Naming Service.

Mon Sep 16 15:22:52 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/Proactor.cpp (initiate): Added a check for
          ERROR_NETNAME_DELETED after ReadFile/WriteFile.  Now the
          initiating handler is immediately dispatched for EOF *and*
          closed connections.  Thanks to Luca Priorelli
          <lucapri@mbox.vol.it> for suggesting this change.

Sun Sep 15 00:55:59 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * Fixed all uses of ACE_Service_Config::end_event_loop() and
          ACE_Service_Config::run_event_loop() to be
          ACE_Service_Config::end_reactor_event_loop() and
          ACE_Service_Config::run_reactor_event_loop() since we now have
          to consider the other event loops (e.g., Proactor and ReactorEx)
          and it doesn't seem right to relegate those to 2nd class status.

        * ace: Finally got fed up with all the #ifdefs required to deal
          with extended signals and just changed the
          ACE_Event_Handler::handle_signal() method to always use the
          extended signal interface.  Fortunately, we can use default
          values to hid this from callers (though you may need to change
          your class definitions if you were assuming the
          handle_signal(int) interface.

        * ace/Memory_Pool.h: Changed all the methods of the various
          Memory_Pool classes to be virtual so that subclasses can
          selectively override them.  This shouldn't affect performance
          since all existing use cases work directly with the "derived"
          classes themselves, so there shouldn't be any overhead since the
          compiler can use direct calls rather than virtual function
          calls.

        * ace/OS.cpp (thr_create): Changed the call to CreateThread() to
          _beginthreadex() and the call to ExitThread() to _endthreadex()
          for Win32 in order to make ACE threads work correctly with
          Win32.  Thanks to James Mansion <james@wgold.demon.co.uk> for
          recommending this.

        * ace/ACE: Added two new static functions: read_adapter() and
          register_stdin_handler().  These are useful when writing code
          that must demultiplexing ACE_STDIN on both Win32 and UNIX.  This
          works around Win32 limitations that don't allow us to select()
          on non-sockets (such as ACE_STDIN).

        * examples/ASX/CCM_App/SC_Server.cpp: Updated this
          test so that it should now work correctly on Win32, where it
          isn't possible to select() on STDIN...

        * ace/Synch_T: Added a new class to ACE called "ACE_Test_and_Set."
          As this name implies, this class implements an atomic ``test and
          set'' abstraction.  This has all sorts of useful implications,
          particularly because it is a template that can be paramaterized
          by the type of LOCK (e.g., ACE_Null_Mutex, ACE_Thread_Mutex,
          etc.) and the type of TYPE (e.g., int, double, sig_atomic_t,
          etc.).  In addition, because this "is-a" ACE_Event_Handler it
          instances can be registered with the Reactor and used to shut
          down event hoops gracefully upon receipt of certain signals
          (e.g., SIGINT).  In fact, I've redone many of the example
          applications (e.g., ./examples/Logger/server/server_loggerd.cpp)
          to illustrate how this works.

Sun Sep 15 20:40:17 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * ace/ReactorEx.cpp (notify): I've redesigned this code.
          Previously, ReactorEx was explicitly managing a handle that it
          kept in handles_[0].  handles_[0] was used to implement
          ReactorEx::notify, which allowed other threads to wake up the
          thread waiting in ReactorEx::handle_events.  Now ReactorEx has
          an Event_Handler (ReactorEx_Notify) that is registered in the
          constructor of ReactorEx.  This allows us to treat events from
          handles_[0] just like every other event (i.e. by dispatching to
          handles_[0]->handle_signal). One of the results of this change
          is that code in remove_handler() is simplified a bit.

Sun Sep 15 17:56:52 1996  Prashant Jain  <pjain@merengue.cs.wustl.edu>

        * ace/Naming_Context.cpp: Added a new flag to the constructor and
          open() method of ACE_Naming_Context that allows us to specify
          which Memory_Pool to use when creating ACE_Local_Name_Space
          (that is choose between ACE_MMap_Memory_Pool and
          ACE_Lite_MMap_Memory_Pool). 

        * ace/Memory_Pool.cpp: Added a new class called
          ACE_Lite_MMap_Memory_Pool which subclasses ACE_MMap_Memory_Pool
          and overrides the sync method so that it is a no-op.

        * ace/Local_Name_Space.cpp: Made some siginificant changes in
          ACE_Local_Name_Space. Here is what the problem was:
          ACE_Name_Space_Map (which is an ACE_Map_Manager) used an
          ACE_RW_Process_Mutex for synchronization. However, since the Map
          was kept in shared memory and was shared by all the processes,
          it got instantiated only by the first process which came
          along. Therefore, only the first process got around to creating
          and initializing the lock. 

          In fixing the problem, we made some other changes to
          ACE_Local_Name_Space and ACE_Name_Space_Map.  Both classes are
          now template classes. ACE_Local_Name_Space needs to be
          parameterized with a Memory_Pool (thus giving us a hook to
          implement the NO-SYNC option) as well as a LOCK.
          ACE_Name_Space_Map needs to be parameterized by an ALLOCATOR
          which is created by ACE_Local_Name_Space. Note that the reason
          we need to parameterize ACE_Name_Space_Map is so that we can
          pass an ACE_Allocator_Adapter (which subclasses from
          ACE_Allocator) with every method. It is not possible to pass an
          ACE_Allocator since the ::remap() method relies on an
          allocator() method defined on the ALLOCATOR that is passed in
          (and ACE_Allocator does not define an allocator() method). 

          The purpose of the class ACE_Name_Space_Map still remains the
          same. It IS_A Map_Manager and provides the hook to set the
          allocator to the process specific one. However, none of its
          methods acquire any locks. For that reason, the Map_Manager is
          parameterized with the Null_Mutex. All synchronization takes
          place inside ACE_Local_Name_Space. ACE_Naming_Context
          instantiates ACE_Local_Name_Space (depending upon the scope) and
          by default parameterizes it with ACE_MMap_Memory_Pool and
          ACE_RW_Process_Mutex. 

          Also made some more fixes to ACE_Local_Name_Space. In
          create_manager(), after we create the allocator, we now check to
          see if the backing store was created successfully and if not, we
          return -1. 

Sat Sep 14 00:00:31 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * examples/Logger: Renamed the original server directory to
          "simple-server" and added a new directory called
          "Acceptor-server" which implements the Logger using the
          ACE_Acceptor.  Note that almost all of the implementation code
          disappears!

        * ace/Local_Name_Server_T.cpp: Removed the name_server_map_ array
          and replaced it with the ACE_NAME_SERVER_MAP #define, which is
          now contained in OS.h.

        * ace/Malloc.h: Added "virtual ... = 0" to the bind() and
          trybind() methods of the ACE_Allocator since they should be pure
          virtual functions...

        * ace/Synch{_T}: Separated out the wait (ACE_Time_Value *) and
          wait (void) methods in order to optimize the call sequence for
          the common case when there is no timeout.

        * ace/Synch: Added a new wait(ACE_Thread_Mutex &) method to
          ACE_Condition_Thread_Mutex so that we are consistent with the
          templated ACE_Condition_Mutex.

        * include/makeinclude: Changed uses of -pic to -PIC because ACE is
          now creating more than 2082 symbols.  It's probably time to
          split up the library...

        * ace/DEV_IO: Moved the ACE_DEV_Addr instance from ACE_DEV_IO into
          ACE_DEV so that it will be available for the ACE_DEV_Connector.
          This fixes a bug that prevented us from using the ACE_Connector
          in conjunction with the ACE_DEV_* classes.  Thanks to Karlheinz
          for clarifying what had to occur.
    
Fri Sep 13 00:16:32 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.h: Changed the order of #includes so that <assert.h>
          comes before <sys/stat.h>.  This fixes some bugs with the
          Siemens SVR4 C++.  Thanks to Antonio Tortorici
          <antonio@rh0011.roma.tlsoft.it> for this fix

        * ace/ACE.cpp (handle_timed_complete): Added yet another weird
          hack to deal with the insanity that is TLI...

        * ace/Synch.cpp: Replaced all uses of ACE_Thread_Mutex_Guard with
          ACE_GUARD macros in order to avoid problems when mutexes fail.

        * ace/OS.h: Changed the definition of the ACE_*GUARD macros so
          that they are always enabled, even when we turn off ACE_MT_SAFE.
          This avoids a nasty semantic problem for components that use
          ACE_Process_Mutex.  Thanks to Avraham Nash
          <Avraham_Nash@praxisint.com> for reporting this problem.

        * ace/OS: Removed ACE_OS::fork_exec() since its functionality has
          been subsumed by ACE_Process.

        * ace/Thread_Manager: Added a new thread_descriptor_i() method
          that *doesn't* grab the lock in order to avoid deadlocks.

        * include/makeinclude/platform_sunos5_sunc++.GNU (CXX): had to add
          the -pta option so that we achieve template closure in ACE.

        * include/makeinclude: Added -lthread to the
          platform_sunos5_sunc++.GNU file.  I don't know how this slipped
          through the cracks!

        * ace/{DEV_IO,FILE_IO,SOCK_IO,SPIPE_Stream}: Fixed a braino with
          alloca where I was failing to multiply by sizeof (iovec).  Isn't
          C great? ...  Thanks to Chuck Gehr <gehr@sweng.stortek.com> for
          reporting this.

        * ace/SOCK_Dgram_Mcast.cpp: Added two changes to the ACE multicast
          code in order to get it to work on Win32.  The first change is
          to put the IP_ADD_MEMBERSHIP setsockopt() call *after* the
          bind() (in shared_open()).  The second is to convert the
          ACE_INET_Addr::get_ip_address() from host byte order into
          network byte order.  Thanks to Todd L. Montgomery
          <tmont@cerc.wvu.edu> and Steve Weismuller
          <spweismu@rsoc.rockwell.com> for helping with this.

        * examples/Threads/test_barrier2.cpp: Incorporated Karlheinz's
          new ACE_Barrier test program.

        * ace/Synch.h: Added Karlheinz's ACE_Null_Barrier class.

Fri Sep 13 00:30:50 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * tests/{Tokens_Test,Time_Service_Test}.cpp: Updated tests to use
          ACE_Process instead of ACE_OS::fork_exec.

        * ace/Process.cpp: Added a new ACE_Process abstraction that is a
          Portable encapsulation for creating new processes.  It allows
          assignment of STDIN, STDOUT, and STDERR of the new process.  On
          UNIX, ACE_Process uses fork and exec.  On Win32, it uses
          CreateProcess.  Since we can set the standard handles, we can
          mimic UNIX pipes on Win32 by building chains of processes.  This
          class should be used instead ACE_OS::fork_exec.

        * examples/OS/Process/process.cpp (main): Added new example
          application to show how to use ACE_Process.

Thu Sep 12 00:55:25 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/DEV_IO: Added methods get_local_addr() and get_remote_addr()
          so that ACE_Connector will work correctly.  Thanks to Brad Flood
          <BFLOOD@tcs.lmco.com> for reporting this.

        * ace/Thread_Manager.cpp (thr_self): Added a fix to solve the
          problem that Win32 GetCurrentThread() returns a pseudo-handle
          rather than a real handle.  Now, we just look things up using
          the thread id rather than the thread handle.  Thanks to Luca
          Priorelli" <lucapri@mbox.vol.it> for clarifying this.

        * ace/Proactor.cpp (initiate): Fixed an incorrect set of return
          values -- they were reversed.  Thanks to Brad Flood
          <BFLOOD@tcs.lmco.com> for reporting this.

        * ace/OS.i (thr_cmp): Added a check for
          !defined(ACE_HAS_SETKIND_NP) to avoid a problem with OSF/1.
          Thanks to Martin Schoeckle <schoeckle@ike.uni-stuttgart.de> for
          reporting this.

        * examples/IPC_SAP/DEV_SAP: Updated these examples to use the new
          ACE_TTY_IO classes.

        * ace: Moved the TTY_IO code from the
          examples/IPC_SAP/DEV_SAP/{reader,writer} directories into the
          files TTY_IO.{h,cpp} in the main part of ACE and integrated Brad
          Flood's <BFLOOD@tcs.lmco.com> changes for Win32.

        * ace/DEV_IO.i: Changed the mapping of send_n() and recv_n()
          methods to use write_n() and read_n() respectively so they will
          work on NT.  Thanks to Brad Flood <BFLOOD@tcs.lmco.com> for
          reporting this.

        * ace/Thread_Manager.h: Implemented a non-synchronized version of
          the lookup function for the <hthread_descriptor>.  This version
          assumes that the lock is help.  We need this to avoid
          intra-class method deadlock on systems (such as Solaris) that
          lack recursive mutexes.

        * ace/Log_Msg.cpp (ACE_Log_Msg): made sure to initialize
          ACE_Log_Msg::thr_handle_ to 0.  I'm not sure how this got
          changed...  Thanks to Luca Priorelli <lucapri@mbox.vol.it> for
          reporting this.

        * examples/Reactor/ReactorEx/test_reactorEx.cpp
          (register_thread_exit_hook): Changed hthread_t to ACE_hthread_t.
          Thanks to Luca Priorelli <lucapri@mbox.vol.it> for reporting
          this.

        * apps/Gateway/Gateway/Channel.h: Due to inconsistencies between
          the semantics of sockets and TLI with respect to establishing
          non-blocking connections it's not a good idea to use TLI in
          conjunction with select().  Therefore, I've #if 0'd out the use
          of TLI in the Gateway application.

Wed Sep 11 00:25:38 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/ACE.cpp (handle_timed_complete): Fixed a typo that was
          failing to set n = ACE::recv(...).  In addition, rethought how
          we figure out if a connection completes for the nth time...

        * ace/TLI.cpp (open): Modified the implementation of open() so
          that if oflag == 0 it is given an initial value of O_RDWR.
          Otherwise we'll get a "badflags" t_errno.

        * ace/Connector.h (connect): Modified connect() so that the
          default value of the flags parameter is O_RDWR.  This is
          necessary to make TLI_Connector::connect() work correctly by
          default.

        * examples/Logger: Updated the example logger client and server to
          illustrate more clearly how things like the Singleton Reactor
          and the ACE_Reactor timer mechanism work.  Thanks to Joe
          DeAngelis <bytor@faxint.com> for suggesting this.

        * ace/Pipe: Added a new constructor that makes it possible to
          initialize the <ACE_Pipe> from the <read> and <write> handles.
          Thanks to Stevan Warwick (sjw@aesthetic.com) for suggesting
          this.

        * config-irix5.3-sgic++.h: Added #define for ACE_NEEDS_SYSTIME_H.
          Thanks to Stevan Warwick (sjw@aesthetic.com) for reporting this.

        * examples/Logger/server/Client_Acceptor: Fixed some stray
          mis-uses of int that should have been ACE_HANDLE.  Thanks to
          Luca Priorelli" <lucapri@mbox.vol.it> for reporting this.

        * ace/{ACE,Log_Msg}.cpp: Added fixes for hexdump().  Thanks to
          Luca Priorelli" <lucapri@mbox.vol.it> for supplying these.

        * ace/Reactor.cpp (ACE_Reactor): Fixed a typo: "this->max_handlep1
          ()" should be "this->handler_rep_.max_handlep1 ()".  Thanks to
          Scott Shupe <shupes@mitre.org> for reporting this.

        * apps/Orbix-Examples/Event_Comm: Added a bunch of changes to make
          this application compile with Orbix 2.0.  Thanks to Mike
          O'Malley <momalley@caesun16.msd.ray.com> for the fixes.

        * ace/OS.cpp (thr_create): Added yet another fix for the IRIX 6.2
          pthreads implementation.  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for reporting this.

        * ace/config-irix6.2-sgic++.h: Changed ACE_HAS_IRIX53_GETTIMEOFDAY
          to ACE_HAS_IRIX_GETTIMEOFDAY because this also seems to be the
          case for IRIX 6.2...  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for reporting this.

        * ace/TLI_{Connector,Acceptor}.cpp: Added tests against NULL
          pointers to avoid segmentation faults when the TLI
          implementation doesn't allocate memory for the udata and opt
          fields of netbuf structures.

        * ace/Mem_Map.i (ACE_Mem_Map): Added an accessor so that callers
          can get the name of the filename that is being used as the
          backing store.  Thanks to the James Mansion
          <james@wgold.demon.co.uk> for recommending this.

Tue Sep 10 00:26:52 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/OS.cpp (thr_create): Modified the thr_create()
          implementation for Win32 so that if the caller doesn't care
          about this value we can avoid a HANDLE leak.  Thanks to the
          James Mansion <james@wgold.demon.co.uk> for recommending this.

        * ace/Thread.cpp (ACE_Thread): Moved both definitions of spawn_n()
          into the Thread.cpp since they have loops and don't benefit from
          being inlined.  

        * ace/Svc_Handler.h: Moved operator delete() into the public part
          of the class in order to make various compilers happy...

        * ace/OS.i (ACE_OS): Fixed the #define that selects the (union
          wait *) alternative of wait().  This original was protected by
          ACE_LACKS_POSIX_PROTO, but it should be ACE_HAS_UNION_WAIT.

        * performance-tests: Created a new directory that will contain all
          of the ACE performance tests.  Move the Synch-Benchmarks and the
          TTCP tests from ./apps into here, and also moved the
          test_mutex.cpp and test_singleton.cpp files from
          ./examples/{Threads,Misc}, respectively.  Thanks to Tim Harrison
          for this suggestion.
  
        * ace/OS.i (ACE_OS): in WIN32 closesocket() returns 0 if call is
          OK, so I changed the return value to be the other way around.
          Thanks to Luca Priorelli <lucapri@mbox.vol.it> for reporting
          this.

        * ace: Changed the ACE_NO_POSIX_PROTO #define to something more
          meaningful: ACE_LACKS_POSIX_PROTO.  Thanks to Jonathan Biggar
          <jon@sems.com> for suggesting this.

        * ace/config-sunos4-g++.h: Added the #define ACE_NEEDS_SYSTIME_H.
          Thanks to Alexandre Karev <akg@na47sun05.cern.ch> for reporting
          this.

        * ace/OS: Fixed a bunch of pthreads portability problems that
          showed up on OSF/1 4.0.  Also added support for asctime_r() and
          ctime_r() for OSF/1 4.0.  Thanks to Dave Trumble
          <trumble@steosf.nio.dec.com> for reporting these fixes.

        * ace/Synch_T.cpp (ACE_TSS_Read_Guard): Removed a stray "new" that
          was causing problems for the ACE_NEW macro.  Thanks to Dave
          Trumble <trumble@steosf.nio.dec.com> for reporting this.

        * ace/Local_Tokens.h: Fixed a broken use of "friend", which was
          missing the keyword "class."  Thanks to Dave Trumble
          <trumble@steosf.nio.dec.com> for reporting this.

        * ace/config-osf1-4.0.h: Included Dave Trumble's
          <trumble@steosf.nio.dec.com> config file for OSF/1 4.0.

        * include/makeinclude/platform_osf1_4.0.GNU: Included Dave
          Trumble's <trumble@steosf.nio.dec.com> platform macros file for
          OSF/1 4.0.  Also renamed platform_osf1.GNU to
          platform_osf1_3.2.GNU to deal with the new version.

        * ace/Proactor: There wasn't a way to destroy an
          ACE_Overlapped_File object without closing the ACE_HANDLE
          attached to it.  Therefore, I added a flag that keeps track of
          whether we have to delete this or not.  Thanks to Amos Shapira
          <amos_shapira@mail.icomverse.com> for suggesting this.

        * examples/Threads/test_future[12].cpp: Updated the tests to use
          the new call() semantics in order to shut down the Scheduler's
          event loop gracefully.

        * ace/Method_Object.cpp: Added a return value to the call()
          routine.  This can be used to indicate to the caller that it is
          necessary to shut down the event loop.

Mon Sep  9 02:07:08 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * ace/Service_Config.cpp (ACE_Service_Config): #ifdef's out the
          registration of signal handling to control reconfiguration on
          Win32 since it doesn't really handle signals very well.  Thanks
          to John Morey <jmorey@tbi.com> for bringing this to my
          attention.

        * ace/CORBA_Handler: Replaced CORBA_[123] with ACE_CORBA_[123].

        * examples/CORBA: Updated the test programs to work portably
          across different versions of Orbix.

        * ace/OS: Added a new wrapper for the getcwd() call.

        * examples/Threads/test_recursive_mutex.cpp: Added the use of
          ACE_Guard<> to illustrate how these work with the
          ACE_Recursive_Thread_Mutex.  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for motivating me to do this.

        * examples/Threads/test_process_{mutex,semaphore}: Added two new
          tests to illustrate how the ACE_Process_Mutex and
          ACE_Process_Semaphore work, respectively.

        * ace/Synch: Replaced the implementation of ACE_Process_Semaphore
          to use SV_Semaphore_Complex on UNIX platforms in order to get
          the same semantics for Win32 and for UNIX.  Thanks to the James
          Mansion <james@wgold.demon.co.uk> for recommending this.

        * ace/OS.h: Added some parens around the ACE BIT* macros so that
          the precedence levels would be dealt with correctly and we don't
          get any nasty surprises...

        * ace/{Synch_T,Synch}: Modified the implementation of all the
          *acquire()/release() methods so they keep track of whether they
          own the mutex.  Thus, if a code path needs to give up the mutex
          within the lifetime of the mutex, and it calls mutex_.release(),
          then the destructor will not call it again.  Thanks to the James
          Mansion <james@wgold.demon.co.uk> for recommending this.

        * ace/{Synch_T,Synch}: Changed the name of the field result_ to
          owner_ for the ACE_Thread_Muetx_Guard and ACE_Guard.  This is
          more representative of the true purpose of this field.

        * ace/Synch: Updated ACE_Thread_Mutex_Guard so that it has the
          same interface and semantics of ACE_Guard.  Thanks to the
          ever-vigilant James Mansion <james@wgold.demon.co.uk> for
          noticing this.

        * examples/Log_Msg/test_log_msg.cpp (main): Added a test of the
          new ACE_Log_Msg::priority_mask() functionality.

        * ace/Log_Msg.cpp: Added a new method called priority_mask(),
          which updates the new thread-specific priority_mask_ data member
          with the new mask and returns the old mask.  This is useful for
          applications written using ACE_Log_Msg.  Often, these have log()
          calls with low priority such as LM_DEBUG that don't need to be
          printed, but for which the logging code should not be removed.
          The priority_mask() scheme makes it possible to selective enable
          printing of certain priorities.  Thanks to Rochi Febo Dommarco
          <rocky@alter.it> for suggesting this.

        * netsvcs/clients/Logger/indirect_logging.cpp (main): Modified the
          test program so that it randomly selects logging priorities that
          are powers of two.

        * ace/Log_Priority.h: Renumbered the LM_* logging flags so that
          they are all powers of two.  This makes it easy to implement a
          scheme for selectively printing only certain logging values.

Sun Sep  8 10:46:40 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Proactor.cpp: Fixed up the error handling in ACE_Proactor so
          that it returns an error both in case of "bad errors," as well
          as when ACE_WIN32 isn't defined.  Thanks to Amos Shapira
          <amos_shapira@mail.icomverse.com> for reporting this.

Sun Sep  8 14:11:08 1996  Tim H. Harrison  <harrison@lambada.cs.wustl.edu>

        * examples/Reactor/Proactor/README: Updated the test_proactor.cpp
          and README files to clarify the relationship between the
          Proactor and ReactorEx.  This example uses the Proactor as the
          main event loop (not the Reactor or ReactorEx).  Thus, this
          application can only do overlapped I/O and timers
          asynchronously.  To be able to react to other Win32 events, see
          the ACE_ReactorEx and the examples/Reactor/ReactorEx/ test.
          Thanks to Amos Shapira <amos_shapira@mail.icomverse.com> for
          pointing out the ambiguity.

Sat Sep  7 14:09:21 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Task.cpp: Enhanced the activate() method so that the caller
          can set the priority and the thread group id.  Thanks to
          Karlheinz for this suggestion.

        * ace/OS.h: Added default values of 0 for the trailing arguments
          for the {mutex,sema,cond}_init() methods.

        * examples/Threads/test_mutex.cpp: Added a new test program that
          illustrates the difference between implementations of thread
          mutex wrappers that use inheritance and dynamic binding vs. the
          ACE approach (which doesn't use inheritance and dynamic
          binding).  The results I got on my SPARCstation 20 model 712 is
          included in the source file.  Thanks to James Mansion
          <james@wgold.demon.co.uk> for motivating me to write this.

        * examples/Misc/test_singleton.cpp: Added a new test program that
          illustrates the performance of using the Double-Checked Locking
          pattern compared with the standard "Mutex::acquire()/release()"
          approach.  Thanks to Jim Coplien <cope@research.bell-labs.com>
          for encouraging me to get these performance numbers.

Tue Sep  3 00:38:47 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/XtReactor: Added minor fixes to XtReactor to fix complaints
          about "bool" not being defined and the destructor
          ~ACE_XtReactor() has already having a body.  Thanks to Andres
          Kruse <Andres.Kruse@cern.ch> for these fixes.

        * ace/Mem_Map.cpp: Make sure that this->length_ is initialized to
          0 in ACE_Mem_Map::map ().  Thanks to James Mansion
          <james@wgold.demon.co.uk> for pointing this out.

        * ace/Thread.i (spawn_n): In ACE_Thread::spawn_n the sense of the
          following check is wrong: 

          for (i = 0; i < n; i++)
          // Bail out if error occurs.
            if (ACE_OS::thr_create (func, arg, flags, &t_id, 0, priority,
                                    stack == 0 ? 0 : stack[i],
                                    stack_size == 0 ? 0 : stack_size[i]) != 0)
              thread_ids[i] = t_id;
            else
              break;

          The '!=' should be '=='.  Thanks to James Mansion
          <james@wgold.demon.co.uk> for pointing this out.

        * include/makeinclude/rules.local.GNU (MAKEFILE): Changed the
          $WRAPPER_ROOT/include/makeinclude/rules.local.GNU line that
          says:

          sed -e "s:$(WRAPPER_ROOT);$$(WRAPPER_ROOT);g" \

          so that the double dollar is now "\$$" (prefixed the first
          dollar sign with a backslash). If not, my shell will try to
          execute WRAPPER_ROOT for some reason. With "\$$" it works as it
          should.  Thanks to Marius Kjeldahl <marius@funcom.no> for
          reporting this.

        * Released version 4.0.29 for testing.

        * ace/OS.i (thr_getspecific): Added a new case for OSF/1.  Thanks
          to Martin Schoeckle <schoeckle@ike.uni-stuttgart.de> for
          reporting this.

        * ace/Thread_Manager.cpp (spawn_i): Removed an invalid
          initialization of ACE_hthread_t = 0, which doesn't work on all
          pthreads platforms because pthreads uses a struct in some
          implementations.  Thanks to Martin Schoeckle
          <schoeckle@ike.uni-stuttgart.de> for reporting this.

        * man: Updated all the nroff and html documentation to conform to
          the latest version of ACE.

        * netsvcs/lib/{Name_Handler,TS_Server_Handler}.cpp: Fixed
          some mistakes in the ACE_TEMPLATES_REQUIRE_SPECIALIZATION
          code so that all the services can be linked together without
          multiply defined symbols.

        * netsvcs/lib/Name_Handler.cpp: Fixed a spot where we weren't
          passing in an lvalue to send_request().  Why this wasn't showing
          up earlier I don't know, but GCC caught it!

Mon Sep  2 00:47:00 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Thread_Manager.cpp: Updated all comparisons of ACE_thread_t
          and ACE_hthread_t so that they use the ACE_OS::thr_equal() and
          ACE_OS::thr_cmp() methods, respectively.  Thanks very much to
          Martin Schoeckle <schoeckle@ike.uni-stuttgart.de> for identify
          the need for this.

        * ace/OS: Added a new method called thr_cmp() which compares two
          ACE_hthread_t values for equality.  Unfortunately, we can't just
          compare these directly via == because on some platforms they are
          implemented as structs.  Right now, I'm assuming that if
          ACE_HAS_TID_T is enabled that we can compare tid_t's using ==.
          If this turns out to be incorrect (e.g., if tid_t's are also
          implemented as structs, please let me know).

        * ace/Future: Changed the overloaded result() method to a pair of
          get()/set() methods.

        * tests/test_config.h: Fixed a bug in the reset() routine.  This
          was originally deleting the global static ace_file_stream.
          However, this was causing segmentation faults if destructors for
          objects local to main() were trying to write to the output file.
          Therefore, instead of deleting the ostream, we simply flush()
          it!

          In addition, also renamed the various functions in test_config.h
          to make sure they don't conflict with any other names by
          prefixing them with ace_test_...

        * ace: Added many small fixes for IRIX 6.2.  Thanks to Gonzalo
          Diethelm <gonzo@ing.puc.cl> for reporting all of these!

        * ace/OS: Added a wrapper for the UNIX syscon() system call.

        * ace/LSOCK.cpp (recv_handle): Rearranged the casts so that things
          work correctly on platforms with odd definitions ot struct
          iovec.  Thanks to Gonzalo Diethelm <gonzo@ing.puc.cl> for
          reporting this.

        * ace/Task.cpp (ACE_Task_Exit): Rearranged the order in which we
          shut down a Task via the Task_Exit hook so that we first
          decrement the count of the threads in the task and *then* call
          its close() hook.  This guards against cases where the close()
          hook does something crazy like "delete this".

        * ace/XtReactor.h: Changed #include "X11/Intrinsic.h" to #include
          <X11/Intrinsic.h>.  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for suggesting this.

        * ace/Future.cpp (ACE_Future): Added some strategic "consts" to
          the assignment operator and copy constructor for ACE_Future and
          ACE_Future_Rep.

        * examples/Threads/test_task_three.cpp (main): Revised the test so
          that it will shut itself down automatically when all the threads
          have finished.

        * examples/Threads/test_task_two.cpp (main): Revised this test so
          that it doesn't run forever, but only runs either 1000 times or
          as many times as the user specifies on the command line.  Thanks
          to Gonzalo Diethelm <gonzo@ing.puc.cl> for suggesting this.

        * ace/OS.i: Added an extra #else for thr_sigsetmask(),
          thr_min_stack(), and thr_kill() for weirdo platforms that don't
          conform to the other threading APIs...

Sun Sep  1 20:15:28 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * examples/ASX/Message_Queue: Changed the use of read(0, ...) and
          write(1, ...) to ACE_OS::read(ACE_STDIN, ...)  and
          ACE_OS::write(ACE_STDOUT, ...) in buffer_stream.cpp and
          bounded_buffer.cpp.

        * ace/OS.i: Fixed the errno mapping of the cond_timedwait()
          functions so that they set errno to ETIME rather than EBUSY when
          timeouts occur.  This is necessary to support Solaris and POSIX
          pthreads semantics on Win32.

        * build/SunOS5.5/examples/ASX/Message_Queue/buffer_stream.cpp:
          Modified the example somewhat so that it uses the Singleton
          thr_mgr() method from ACE_Service_Config.

Sun Sep  1 17:29:58 1996  Tim H. Harrison  (harrison@lambada.cs.wustl.edu)

        * ace/ACE.cpp (map_errno): Added a new static method to the ACE
          class.  This method allows us to map troublesome win32 errno
          values (e.g. WSAEWOULDBLOCK) to values that standard C strerr
          function understands.  Thank you Microsoft. 

        * ace/Log_Msg.cpp (log): Added a call to ACE::map_errno to the %p
          option.  Now the ACE logger can begin to map Win32 error values
          into meaningful strings.

        * netsvcs/lib/lib.mdp: Added a project file for the netsvcs
          library.  This builds a dll into ace/netsvcs.dll (not into the
          netsvcs/lib directory).  This reduces the number of paths needed
          in %PATH%.

        * examples/Tokens: Renamed this directory netsvsc/clients/Tokens.

        * ace/ace.mdp: Removed wsock32.lib from the ace files listing.
          The problem is that we can't assume where MSDEV is installed.  I
          added wsock32.lib and advapi32.lib to the
          build/settings/link/library_modules line.

        * ace/config-win32-msvc4.0.h: Disabled the "C4355: 'this' : used
          in base member initializer list" warning.  Thanks to Amos
          Shapira for figuring this out for us.  Although "this" is
          unneeded for win32, it is required for compilers on other
          platforms (e.g., AIX).

        * ace/Message_Queue.cpp (dequeue_head_i): Andres Kruse pointed out
          that we weren't doing head_->prev (0), when dequeuing!

Tue Aug 27 21:00:25 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * include/makeinclude/platform_sunos5_sunc++_4.1.GNU (CXX): Added
          Andres Kruse's changes for SunC+ 4.1.

        * ace: Fixed line # 12 of ace/config-sunos4-sun4.1.4.h, 
          which read:

          "#define ACE_HAS_SVSV_IPC"  (ACE_HAS_ ess vee ess vee _IPC)

          to

          "#define ACE_HAS_SYSV_IPC"  (ACE_HAS_ ess wye ess vee _IPC)

          Fix another problem:

          #define ACE_LACKS_THREAD_STACK_ADDR     (OS.cpp)

          was inconsistently defined in:

          #define ACE_LACKS_THREAD_STACK_ADDRESS  (config-aix-4.1.x.h)

          Thanks to Alan Stweart <Axs2@osi.com> for reporting
          this!

Mon Aug 26 00:34:05 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * Updated all of ACE such that the ACE_GUARD* macros now all take
          the name of the ACE_*Guard* that they will use as the scoped
          locking object.  This is important for several reasons:
          
          1. It make it more clear what is going on in the code, rather
             than hiding behind the macros!

          2. It is now possible to have multiple ACE_GUARD* macros in the
             same scope by calling each scoped locking object a different
             name.  This is used in the Local_Tokens.cpp file.

        * ace/Synch.h (ACE_Null_Mutex_Guard): Added the locked() method so
          that this signature will conform to the one expected of
          ACE_Guard.

        * tests: Added a new file Test_Future.cpp, which tests the new ACE
          Futures mechanism using Active Obejcts.  Thanks to Andres Kruse
          <kruse@cern.ch> for contributing this test.

        * ace: Added three new files: Future.{h,cpp},
          Method_Object.{h,cpp}, and Activation_Queue.{h,cpp}, which
          implement Polymorphic Futures.  Thanks to Andres Kruse
          <kruse@cern.ch> for contributing these.

        * ace/Stream.cpp (dump): Replaced LM_INFO with LM_DEBUG.

Sun Aug 25 21:57:57 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace: Rather than using operator new directly, most of ACE now
          uses the ACE_NEW and ACE_NEW_RETURN macros.  For instance,
          rather than writing:

          if (token_manager_ == 0)
            token_manager_ = new ACE_Token_Manager;

          we should write:

          if (token_manager_ == 0)
            ACE_NEW_RETURN (token_manager_, ACE_Token_Manager, 0);

          The reason for this is that it makes it much easier to ensure
          that all dynamic memory allocation errors are treated uniformly.
          I've updated the entire ACE library code tonight to make this
          usage consistent whenever possible.

Sat Aug 24 11:51:38 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Time_Value.h: Simplified various things so that the nasty
          macros necessary to build DLLs on Win32 will be simplier.  In
          addition, I will only #include <sys/time.h> for those platforms
          that don't already do this in <time.h> (i.e., if
          ACE_NEEDS_SYSTIME_H is defined in config.h).  Please let me know
          if you run across any platforms like this.

        * ace/TLI_{Connector,Acceptor}: Added two additional parameters at
          the end of the connect() and accept() methods, respectively, so
          that the ACE TLI wrappers can be used with X.25.  Thanks to Ajit
          Sagar <asagar@spdmail.spd.dsccc.com> for suggesting this fix.

        * ace: Integrated Eric Newton's XtReactor into the Makefile.  If
          you want to include this into ACE, make sure to define
          ACE_HAS_XT in the config.h file.

        * examples/Misc: Integrated the XtReactor tests.

        * ace/OS.i (getservbyname,gethostby*): Fixed a suble omission --
          any calls to socket function should be wrapped by the
          ACE_SOCKCALL_RETURN macro in order to make the errnos work
          correctly on Win32.

        * ace/OS: Added support for the getprotoby{name,number} wrappers.
          Thanks to Joe DeAngelis <bytor@faxint.com> for suggesting this.

        * ace/Connector.cpp: Fixed a subtle bug in the ACE_Connector.
          The problem centered around the following line in
          cleanup_AST():

          if (this->handler_map_.find (handle, ast) == -1)

          This lookup always failed because the key, the handle of the
          service handler, was always -1.  The service handler's handle is
          not set until a successful connection is made and connector
          transfers ownership of the handle to the service handler.  The
          fix for this is to store the ACE_HANDLE in the ACE_Svc_Tuple
          *separately* from the ACE_Svc_Handler.  Thanks to Bill Gerecke
          <gerecke@rayva.org> for being so persistent in tracking this
          down.

        * ace/ARGV.cpp (ACE_ARGV): Added a nifty new constructor that
          converts argv-style vectors of strings into a single string
          (this is the reverse of what the original constructor does!).

        * ace/ACE: Added a new utility method called strecpy(), which
          copies <t> to <s>, returning a pointer to the end of the copied
          region (rather than the beginning, a la <strcpy>.

Thu Aug 22 15:43:58 1996    <harrison@samba.cs.wustl.edu>

        * ace/OS.h: Changed the interface of ACE_OS::fork_exec (char
          *const argv[]).  (There is no longer a separate const char *path
          parameter.  Now, argv[0] must be the full path name to the
          executable.

        * tests/Time_Service_Test.cpp:  Updated the Time Service
          one-button test to use the new ACE_OS::fork_exec.  I didn't
          event break it.

        * tests/Tokens_Test.cpp:  Updated the Tokens one-button test to
          use the new ACE_OS::fork_exec.  It actually works now.

        * tests/test_config.h: Added some more #defines to help simplify
          path differences between NT and UNIX.  Perhaps these should be
          moved into OS.h?

Thu Aug 22 13:46:58 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Thread_Manager.cpp (ACE_Thread_Control): The status_ member
          in ACE_Thread_Control() was not being initialized!  This caused
          Purify to complain loudly about invalid memory accesses. I have
          added an initialiser to ACE_Thread_Control::ACE_Thread_Control
          to set status_ to 0.  Thanks to Ross Dargahi <rossd@krinfo.com>
          for reporting this.

        * ChangeLog: The ACE configuration files "config-irix*.h" defined
          'ACE_HAS_SIGINFO' to indicate that IRIX supports SVR4 extended
          signals.  This should be 'ACE_HAS_SIGINFO_T' instead.  Thanks to
          Craig Johnston <johnston@tortilla.ds.boeing.com> for reporting
          this.

Wed Aug 21 21:09:01 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/Time_Value.h: Added an extra condition, #if defined
          (ACE_BUILD_DLL) so that ACE_Svc_Export evaluates to
          something. Previously, it was evaluating to nothing in some
          files such as Naming_Context.cpp where we were doing #define
          ACE_BUILD_DLL and not #define ACE_BUILD_SVC_DLL.

Wed Aug 21 00:33:17 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/ACE.cpp (format_hexdump): Fixed a minor bug in
          format_hexdump().  If the buffer to dump is a multiple of 16 it
          prints an extra blank line.  ALso fixed the code to use spaces
          rather than tabs and put an extra space between the first 8 HEX
          bytes and the second.  Thanks to Luca Priorelli
          <lucapri@mbox.vol.it> for this code.

        * ace/Log_Msg.h (ACE_HEX_DUMP): Added a new logging macro:
        
          #define ACE_HEX_DUMP(X) \
            do { int __ace_error = errno; \
              ACE_Log_Msg *ace___ = ACE_Log_Msg::instance (); \
              ace___->set (__FILE__, __LINE__, 0, errno, ace___->restart (),
              ace___->msg_ostream ()); \ ace___->log_hexdump X; \
            } while (0)

          which makes it possible to dump info in HEX.  Thanks to Luca
          Priorelli <lucapri@mbox.vol.it> for suggesting this.

        * ace/config-win32-msvc4.0.h: Added 
        
          #define _WINSOCKAPI_

          To avoid multiple inclusions.  Thanks to Luca Priorelli
          <lucapri@mbox.vol.it> for suggesting this.

        * ace/OS.h: enclosed the #define of WIN32_LEAN_AND_MEAN macro
          definition between #ifndef ... #endif to avoid compiler
          warnings.  Thanks to Luca Priorelli <lucapri@mbox.vol.it> for
          suggesting this.

        * ace/SOCK.cpp (win32_fini): Fixed a potential problem in ACE
          where any code of the form:

          ACE_DEBUG ((LM_DEBUG, "%d", GetLastError()));

          will reset errno a couple of times before GetLastError() gets
          called. So the result is always 0.  The fix is to say:

          int ret = GetLastError();
          ACE_DEBUG ((LM_DEBUG, "%d", ret));

          Thanks to Luca Priorelli <lucapri@mbox.vol.it> for noticing
          this.

        * ace/Connector.cpp (create_AST): Was missing a return 0; if we
          successfully register a cancellation id.  Thanks to William
          L. Gerecke <gerecke@rayva.org> for reporting this bug.

        * ace/Module.h: Added a non-existent friend class to get ACE 
          to stop complaining
          
          private:
            friend class ACE_Shutup_GPlusPlus;  // Turn off g++ warning
            ~ACE_Module (void);         
            // *Must* use dynamic allocation.

          Thanks to Eric Newton for the suggestion.

        * ace/Svc_Conf.y (ace_create_service_type): Removed some stray
          calls to ACE_ERROR that were left over from earlier
          configurations of ACE.  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for reporting this.

        * ace/Log_Msg.cpp (instance): Fixed the #ifdefs so that
          ACE_MT_SAFE implies ACE_HAS_THREAD_SPECIFIC_STORAGE.  Thanks to
          Gonzalo Diethelm <gonzo@ing.puc.cl> for reporting the need for
          this.

Tue Aug 20 13:09:55 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * INET_Addr.cpp, line 84: Irix's C++ is not able to determine
          whether to use the set(u_short,ACE_UINT32,int) or the
          set(u_short,const char [],int), since on Irix, INADDR_ANY is 0.
          I cast the value so that the call would read set(port,
          ACE_UINT32(INADDR_ANY)) and everything went fine.  Thanks to
          Gonzalo Diethelm <gonzo@ing.puc.cl> for reporting this.

        * ace/Synch[_T]: Added a new wait() method that takes a first
          parameter which is the mutex used to serialize access to the
          condition.  This is useful if you want to store the
          ACE_Condition object in shared memory (in which case, the use of
          a reference to mutex_t doesn't work!).  Thanks to Mark Patton
          <mark_patton@ftw.paging.mot.com> for recommending this approach.

        * ace/Task.h: Added a forward template declaration for
          ACE_Task_Exit so that it will compile on HP/UX.  Thanks to Tim
          Ottinger <tottinge@csci.csc.com> for pointing this out.

        * ace: changed line 19 of ace/Str_Buf.h from

          #include "OS.h"

          to:

          #include "ace/OS.h"

          Fixed similar problems with OS.h at line 1154 and Dump.h at line
          150.  Thanks to Alan Stewart <axs2@osi.com> for reporting this.

Tue Aug 20 20:18:49 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * tests/TSS_Test.cpp (main): Fixed a small typo. I was referencing
          the wrong variable but didn't catch it since it was in the #if
          !defined (ACE_HAS_THREADS) section. Fixed the typo and also 
          renamed the variable called big_count to iterations.  Thanks to
          Tim Ottinger <tottinge@csci.csc.com> for pointing this out.

Mon Aug 19 19:25:50 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * {examples,apps,tests}: Removed the use of zerop from these
          files, as well...

        * ace/{Acceptor.cpp,Name_Proxy.cpp,Token.i}: Removed the use of
          zerop from these files, as well...

        * ace/Connector.cpp (connect_svc_handler): It looks like our good
          friend ACE_Time_Value::zerop isn't getting initialized correctly
          on Win32.  Therefore, I've replaced it with a direct use of
          &ACE_Time_Value::zero.

        * ace/Time_Value.cpp: Removed the static pointer variable "zerop"
          since there was no guarantee it was getting intialized before it
          is used!  Instead of using ACE_Time_Value::zerop, use
          &ACE_Time_Value::zero.  Thanks to William L. Gerecke
          <gerecke@rayva.org> for reporting this problem.

        * ace/OS: Added zillions of changes to make ACE compile with OSF/1
          and its DCE threads implementation.  Thanks to Martin Schoeckle
          <schoeckle@ike.uni-stuttgart.de> for sending these.

        * ace/config-osf1-3.2.h: Updated this file with fixes for OSF/1 by
          Martin Schoeckle <schoeckle@ike.uni-stuttgart.de>.

        * ace/ACE.cpp (handle_timed_complete): Added new logic to
          ACE::handle_timed_complete() so that it sets errno to
          ECONNREFUSED if the connection is refused by the server.  When
          you issue an asynchronous connect request, to complete it, you
          will use complete() with a timeout.  However, complete can fail,
          and then it will deallocate any resource, (i.e. close down the
          socket handle), also for timeout expiration.  So, a user
          interested in retrying to complete a connection while the
          timeout expires will not use complete(); but rather will use
          handle_timed_complete().  In fact, using handle_timed_complete()
          the user could detect the reason of a failure (by examining
          errno) and decide how to proceed.  In the old ACE version the
          problem was that, if handle_timed_complete() failed because of
          the recv() returning 0, errno remained unchanged and so its
          value could be quite misleading with respect to the reasons of
          the failure.  Thanks to Antonio Tortorici
          <antonio@rh0011.roma.tlsoft.it> for this fix and the explanation
          above.

        * ace/OS.h: Added support for Borland 5.0's uint64.  Thanks to
          Hani Yakan <hani@i-online.com> for suggesting the strategy to
          accomplish this.

Mon Aug 19 15:52:07 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * tests: Added new macros to the test_config.h file in order to
          simplify the testing.

Mon Aug 19 00:21:22 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * Re-released version 4.0.28 for testing (will change the version
          number after Tim gives me the new Token stuff).

        * {netsvcs/lib,tests/test_config.h}: Removed spurious dependencies
          on fstream.h and iostream.h.  Thanks to Alan Stewart
          <axs2@osi.com> for reporting this.

Sat Aug 17 17:25:49 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Reactor: Removed the use of "inline" in the Reactor.cpp
          files because this was causing problems with some
          compilers/linkers.  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for recommending this.

        * examples/Misc/test_XtReactor1.cpp: Added a new test of the
          XtReactor, courtesy of Eric Newton <ecn@clark.net>.

        * ace/config-hpux-10.x.h: According to Eugene K. Plaude
          <jec@r-style.msk.su>, HP-UX 10.01 supports user-level threads
          based on the pthreads interface specified by POSIX in 1003.4a,
          Draft 4 (which is basically DCE threads).  Therefore, I've
          enabled the ACE_HAS_DCETHREADS symbol in the config-hpux-10.x.h
          configuration file.  If this isn't correct, please let me know.

Sat Aug 17 02:18:39 1996  Tim H. Harrison  (harrison@lambada.cs.wustl.edu)

        * examples/Tokens/manual/README: Added a new Token example
          application.  The manual test gives users a text-based
          interactive interface to local or remote tokens.  This is
          extremely useful for manually testing the token server and
          setting up deadlock scenarios.  See the README file for more
          details.

        * examples/Tokens/deadlock/README: Updated the deadlock example
          application to test the new deadlock detection algorithm for
          readers/writer locks.  I also added the use of Token Invariants
          to ensure correctness of the mutexes and readers/writer locks.
          See the README file for more details.

Fri Aug 16 22:16:05 1996  Tim H. Harrison  (harrison@lambada.cs.wustl.edu)

        * ace/Token_Manager.cpp: Updated all Token code to use
          ACE_OS::last_error instead of errno.

Fri Aug 16 00:03:24 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * After a long hiatus, released version 4.0.28 for testing.

Thu Aug 15 21:04:35 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * man: Updated all the ACE manual pages and html pages to reflect
          recent changes.

        * netsvcs/lib/Server_Logging_Handler.cpp: Fixed an omitted
          "ACE_BUILD_SVC_DLL" that was causing linker errors on NT.
          Thanks to Luca Priorelli <lucapri@mbox.vol.it> for reporting
          this.

        * examples/Log_Msg/test_log_msg.cpp: Added a test for the new
          log_hexdump() function.

        * ace/Log_Msg.cpp (log_hexdump): Integrated the log_hexdump() code
          into the ACE Log_Msg abstraction.  Thanks to Luca Priorelli
          <lucapri@mbox.vol.it> for fixing this and for Todd Montgomery
          for originally supplying the code.

        * ace/Signal.cpp (ACE_Sig_Handlers): Moved the #endif /* HPUX */
          down to the end of the file so that it works correctly on HPUX.
          Thanks to Eric C. Newton <ecn@clark.net> for report this bug.

        * ace/OS.i: Updated the behavior of thr_join() so that it will do
          a ::CloseHandle after getting the exit status.  Thanks to the
          ever vigilant James Mansion
          (mansionj@lonnds.ml.com) for noticing this.

        * examples: Finally added Tim and Prashant's examles/OS directory,
          which contains a test that illustrates a "portable" means to
          spawn processes on NT and UNIX.

        * ace/Malloc_T.cpp (next): Added an overloaded next() method that
          returns the name that is bound to the pointer in the
          Malloc_Iterator.  This is useful in order to differentiate
          entries in the pool based on their name.  Thanks to Kim Gillies
          <gillies@noao.edu> for suggesting this.

        * ace: Changed all uses of thread_t, thread_key_t, mutex_t,
          rwlock_t, sema_t, cond_t, etc. to ACE_* in order to avoid
          polluting the name space.  Also switched from using macros to
          using typedefs whereever possible.  Thanks to Gonzalo Diethelm
          <gonzo@ing.puc.cl> for recommending this.

        * ace/System_Time.cpp: Added template specializations for
          templates used in the ACE_System_Time class.  This should solve
          some nasty undefined templates problems with GCC...  Thanks to
          Joseph DeAngelis <bytor@faxint.com> for pointing out the
          problem.

        * ace/Name_Space.cpp: Fixed the file Name_Space.cpp as follows:

          // Name_Space.cpp
          #define ACE_BUILD_DLL
          //#include "Name_Space.h"
          #include "ace/Name_Space.h"     

          Thanks to Eugene K. Plaude <jec@r-style.msk.su> for fixing this!

        * ace/config-hpux-10.x.h: Added support for TLI since according to
          Eugene K. Plaude <jec@r-style.msk.su> this should work.  If not,
          please let me know.

Wed Aug 14 21:29:46 1996  Douglas C. Schmidt  <schmidt@tango.cs.wustl.edu>

        * examples/Reactor/Logger: rearranged the Logger directory so it
          would be more clear what the client and server programs did and
          how to run them.

        * examples: Merged the contents of the SVR4 examples directory
          into the IPC_SAP/SOCK_SAP directory so that we can remove the
          SVR4 directory altogether (it wasn't contributing much...).

        * examples: Removed the vestigal Win32 tests since ACE now runs on
          Win32 and we don't need a separate test directory.

        * netsvcs/client: Renamed the file remaining file in this
          directory to logging_app.cpp since I moved the other file to the
          examples/Reactor/Logger directory.

        * ace/Reactor.cpp (check_handles): If eh->get_handle() returns -1
          the select() code will index the [-1] element of an array.  To
          fix this, I've added a check of the value returned from
          eh->get_handle().  Thanks to Eric C. Newton <ecn@clark.net> for
          reporting this.

        * ace/OS.i (sema_wait): Fixed a subtle bug in the Pthreads
          wrappers that surfaced on the SGI IRIX 6.2 port.  There was some
          code that looked like this:

          pthread_cleanup_push();
          int result = 0;
          ...
          pthread_cleanup_pop();
          return result;
 
          However, on Irix 6.2, the push introduces a new scope that is
          closed by the pop, so result goes out of scope before returning.
          Thanks to Gonzalo Diethelm <gonzo@ing.puc.cl> for pointing this
          out.

        * ace/OS.h: Changed the definition of pthread_mutex_t and
          pthread_cond_t to mutex_t and cond_t to be consistent with other
          usage in ACE.  Thanks to Gonzalo Diethelm <gonzo@ing.puc.cl> for
          pointing this out.

Wed Aug 14 01:25:47 1996    <harrison@samba.cs.wustl.edu>

        * ace/SPIPE_Acceptor.cpp: Added the PIPE_TYPE_MESSAGE |
          PIPE_READMODE_MESSAGE flags to CreateNamedPipe pipe options so
          that data is received in messages rather than as a stream.  This
          is consistent with the behavior of the SPIPE_Connector.  When we
          have time, we need to extend the interface so that stream pipes
          are also supported, as well.

        * SPIPE_Acceptor.cpp: Made the ACE SPIPE in and out buffer sizes
          10 k.  The previous size was just 512 bytes.  This larger buffer
          size helps decrease flow control.

Tue Aug 13 23:21:46 1996    <harrison@samba.cs.wustl.edu>

        * examples/Connection/blocking: Updated the blocking SPIPE example
          application to use a pool of threads in the proactor to handle
          incoming client messages.  The SPIPE-acceptor example
          illustrates how named pipes are used on NT. Once the server
          establishes a connection to a single client, it spawns a thread
          pool to handle incoming requests via the proactor event
          loop. That is, a separate thread from the pool is used to
          process each message sent by a client.  The size of the thread
          pool can be specified by command-line arguments.  This example
          leverages the queueing performed by the NT kernel to trivially
          implement a thread pool architecture.  See
          examples/Connection/blocking/README for more details.

        * Service_Config.h: Added a <thread> parameter (with a default
          size of 0) to the proactor accessor method.  This allows
          applications to specify the size of the thread pool that can
          block on Proactor::handle_events.

Tue Aug 13 02:30:58 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Task: Added a new public interface called thr_count().  This
          returns a count of the number of threads running within a Task.
          If the value returned is 0, then the Task is a Passive Object.
          If the value returns is > 0 the task is an Active Object, and
          the value is a count of the number of threads running within the
          object at this snapshot of time.

        * ace/OS: I implemented Karlheinz's suggested optimizations for
          the ACE condition variable implementation under Win32.  Here's
          the deal...  The original implementation used an internal_mutex
          to ensure that access to the count of the number of waiters was
          serialized between the waiter and signaler threads.  The new
          implementation is designed so that only the waiter threads
          access the waiter count.  Therefore, we can utilize the
          external_mutex to serialize access to this, thus eliminating the
          need for the internal_mutex.  However, this means that code
          *must* be written using the standard condition variable idiom,
          i.e.,

          int resources ()
          {
            external_mutex.acquire ();
            
            // ...

            cond.signal ();
            external_mutex.release ();
          }

          Rather than like this:

          int resources ()
          {
            external_mutex.acquire ();
            
            // ...
            
            external_mutex.release ();
            cond.signal ();
          }

          which is what some thread programming books recommend as an
          optimization.  However, you should be careful not to use this
          form since it can lead to "lost wakeup" bugs caused by the fact
          that the implementation of ACE_OS::cond_signal will test if the
          waiter count > 0 *without holding any locks*!!!

          Fortunately, ensuring this shouldn't be a problem since most ACE
          code uses the following idiom:
          
          int resources ()
          {
            ACE_Guard mon (external_mutex);
            
            // ...

            cond.signal ();
            // Destructor of mon releases external_mutex.
          }
          
          Clearly, there are subtle tradeoffs between performance and
          programmability here...

        * ace/Synch: Updated all of the ACE semaphore wrappers to take the
          new "max" value as their final constructor argument.

        * ace/OS: Added a new default argument to the end of the
          sema_init() method.  This allows us to specify the maximum value
          of the semaphore (this is only important on NT).  Currently, it
          is hard-coded to 0x7fffffff in uses.  The new approach makes it
          possible to set the max to a different value.  Thanks to
          Karlheinz for requesting this.

        * ace/Message_Queue.cpp: Added an implementation of the dump().
          Thanks Karlheinz.

        * ace/Synch.cpp: Added an implementation of the dump() method.
          Thanks Karlheinz.

        * ace: Updated all usage of ACE_Thread_Mutex_Guard so that it now
          uses the ACE_GUARD* macros correctly.  Thanks to Chris Eich
          <Chris_Eich@optilink.optilink.dsccc.com> for pointing out the
          need for this.

        * examples/Threads: Added Karlheinz's new test_barrier2.cpp test
          program that makes sure that the ACE_Message_Queues are working
          correctly when accessed by multiple threads.

        * netsvcs/lib/Server_Logging_Handler.cpp (handle_logging_record):
          Fixed an errant use of ACE_Guard, which wasn't properly checking
          of the Guard acquired the lock.  Thanks to Chris Eich
          <Chris_Eich@optilink.optilink.dsccc.com> for pointing this out.

        * ace/OS.h (ACE_GUARD): Added default "ace_mon" implementations of
          type ACE_Null_Mutex even in cases where there's no threading
          defined so that code accessing ace_mon.release() and
          ace_mon.acquire() will compile correctly.

        * apps/Gateway/Gateway/Channel.h:  Fixed the code so
          that we don't try to use TLI if the platform doesn't support it
          (instead, we'll use sockets).  Thanks to Marius Kjeldahl
          <marius@funcom.no> for reporting this problem.

        * examples/ASX/Event_Server/{Supplier,Consumer}: Fixed the code so
          that we don't try to use TLI if the platform doesn't support it
          (instead, we'll use sockets).  Thanks to Marius Kjeldahl
          <marius@funcom.no> for reporting this problem.

Mon Aug 12 14:50:47 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * examples/Misc: Added Eric Newton's <ecn@clark.net> test case for
          his XtReactor integration.

        * ace: Included Eric Newton's <ecn@clark.net> code that integrates
          ACE with the Xt event loop.  This still needs a bit of work
          (e.g., making it thread-safe and incorporating signal support), so
          I haven't added it to the Makefile yet.  If someone can take the
          time to fix it up, I'll be happy to integrate it into ACE.

        * ace/Message_Queue.cpp (dequeue_head): Fixed the mother of all
          bugs in the ACE_Message_Queue implementation...  The problem was
          that I was trying to be too clever by optimizing the number of
          Condition::signal() calls by only calling signal() when the
          queue changed state from empty to non-empty (or full to
          non-full).  It turns out that this optimization works fine for a
          single producer/consumer case, but fails when there are multiple
          consumers.  The fix was just to call signal() every time.  This
          should be ok because the underlying Condition variable
          implementation will perform the optimization in the correct
          fashion.  Thanks to the omniscient Karlheinz for detecting this
          problem and reporting it.

Sun Aug 11 15:52:07 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * tests: Made minor changes to test_config.h, SPIPE_Test.cpp, and
          UPIPE_SAP_Test.cpp to accomodate the change made to SPIPE_Addr.
          SPIPE_Addr now accepts a string of the form [host:]port and then
          creates the rendezvous point. Originally, SPIPE_Addr would
          assume that the string being passed in was the actual rendezvous
          point. 

Sat Aug 10 18:41:21 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * netsvcs/lib/Logger.cpp (init): Added a new service to netsvcs
          called ACE_Logger which allows us to control the output of all
          the services. The ACE_Logger service can be invoked with
          different flags (such as STDERR|OSTREAM) which in turn sets
          ACE_Log_Msg to direct the output of all the services to the
          appropriate stream(s). Note that if a service needs to stay
          unaffected from ACE_Logger, it should be invoked before
          ACE_Logger gets invoked. Also note that like other services in
          netsvcs, ACE_Logger can also be dynamically linked in.

Sat Aug 10 14:23:07 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * Added Steve Huston's <shuston@ultranet.com> patches to get ACE
          to compile on UnixWare 2.01.  This mostly involved changes to
          the internal types used by the socket wrappers.  Thanks Steve!

Fri Aug  9 01:34:19 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * examples/ASX/UPIPE_Event_Server/Options.cpp (print_results):
          Added a typedef to avoid problems if a platform doesn't support
          prusage_t.  Thanks to Marius Kjeldahl <marius@funcom.com> for
          reporting this.

        * include/makeinclude/platform_linux_pthread.GNU.  The line that
          say:

          LIBS    = -lpthreads -lstdc++

          was modified to say:

          LIBS    += -lpthreads -lstdc++

          Thanks to Marius Kjeldahl <marius@funcom.com> for reporting
          this.

Fri Aug  9 18:26:16 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/Local_Name_Space.cpp (reset): Fixed a subtle (yet very
          annoying bug). In switching contexts a test program would hang
          after a certain number of switches. Having gone through the code
          thoroughly and with the aid of Purify, the bug was narrowed down
          to an extraneous delete taking place in
          ACE_Name_Space::reset(). Essentially, we do not need to delete
          ACE_Name_Space_Map::instance() which is actually the
          SHARED_MALLOC since it gets deleted in the destructor of
          ACE_Local_Name_Space.

Thu Aug  8 17:55:20 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/SPIPE_Addr.cpp (set): Implemented
          ACE_SPIPE_Addr::string_to_addr(). Modified ACE_SPIPE_Addr::set()
          using code provided by Brad Flood to create the rendezvous
          point. Note that originally ACE_SPIPE_Addr constructor and set()
          would take the actual rendezvous point but now they rely on
          being passed a string which is of the format "[host]:port"
          (where host is optional). The rendezvous point is then created
          by extracting from the string the hostname (if any) and also
          using the port number as the unique pipe name. Note that this
          approach works on both UNIX and Win32.

Mon Aug  5 20:15:59 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/OS.i (last_error): Fixed a typo. In the set and get methods
          last_error(), there should be a check for "if defined
          (ACE_WIN32)" and not "if defined (ACE_HAS_WIN32)"

Wed Aug  7 00:21:42 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Log_Msg.h: Replaced all uses of errno *following calls to
          ACE_Log_Msg::instance()* so that we first cache errno in a local
          variable called __ace_errno.  We need to do this because
          ACE_Log_Msg::instance() can reset errno == 0.  Thanks to 
          Tim for pointing this out.

Mon Aug  5 20:15:59 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/OS.i (last_error): Fixed a typo. In the set and get methods
          last_error(), there should be a check for 
          "if defined (ACE_WIN32)" and not "if defined (ACE_HAS_WIN32)"

Sat Aug  3 14:52:32 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * examples/Win32/win32_client.cpp: Changed ACE_GUARD_RETURN to
          ACE_GUARD in the method Errno::flags since the return type is
          void. 

        * examples/Connection/non_blocking/CPP-connector.cpp: Made some
          minor changes to get things compiling on Win32. The call to
          handle_close now takes zero as the first argument (which is
          never used). Also the arguments to ACE_SERVER_ADDRESS are now
          swapped (hostname followed by port number) to be consistent with
          the change made to the macro. Thanks to Brad Flood for
          suggesting these changes. 

        * examples/Connection/non_blocking/CPP-acceptor.cpp: Made minor
          changes to some of the methods to make sure all control paths
          return a value. Also changed the default port number to
          ACE_DEFAULT_SERVER_PORT_STR to match what the connector tries to
          connect to. Thanks to Brad Flood <BFLOOD@slc.unisysgsg.com> for
          suggesting these changes.

        * ace/OS.h (ACE_SERVER_ADDRESS): Modified the macro
          ACE_SERVER_ADDRESS so that it creates a string of a server
          address with a "host:port" format. Previously the order was
          reversed. Thanks to Brad Flood for suggesting this change.

Sat Aug  3 00:07:26 1996  Douglas C. Schmidt  (schmidt@lambada.cs.wustl.edu)

        * ace: Fixed problems with recursive tracing of ACE_TRACE by
          commenting out certain constructors in IPC_SAP.cpp,
          FIFO_Send_Msg.cpp, FIFO_Send.cpp, and FIFO.cpp.  Thanks to
          Karlheinz for finding and reporting these fixes.

Fri Aug  2 22:19:05 1996  Douglas C. Schmidt  (schmidt@lambada.cs.wustl.edu)

        * ace/ACE.cpp (format_hexdump): Fixed an infamous "off by one" bug
          that was causing this to fail on Win32 (time to switch to Java? ;-)).
          Thanks to lucapri@mbox.vol.it for finding this.

Thu Aug  1 14:08:30 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/CORBA_Handler.cpp (activate_service): Fixed a typo caused by
          an omitted ENDTRY.  Thanks to Garrett Conaty
          <gconaty@outbackinc.com> for noticing this.

Mon Jul 29 10:03:16 1996  Douglas C. Schmidt  (schmidt@lambada.cs.wustl.edu)

        * examples/Win32/win32_client.cpp: There was a typo in one of the
          ACE_GUARD macros.  Thanks to Tim Ottinger
          <tottinge@csci.csc.com> for pointing this out.

Mon Jul 22 12:41:22 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/Local_Name_Space.cpp (reset): Added a new method
          ACE_Name_Space_Map::reset() which deletes the instance of
          ACE_Name_Space_Map. This forces instance() to create a new
          instance using a new context file in the case of the context
          having changed. I make use of this in
          ACE_Local_Name_Space::create_manager().

Fri Jul 19 12:28:07 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/System_Time.cpp (get_master_system_time): Modified
          ACE_System_Time::get_master_system_time() so that if an entry
          for the time is not found in shared memory (indicating that no
          Clerk is running), then we should just return the local time of
          the host.

        * netsvcs/lib/TS_Clerk_Handler.cpp (update_time): Modified
          ACE_TS_Clerk_Handler::update_time() so that if the Clerk is not
          connected to any servers, is sets the delta time to zero
          allowing clients to then use the local time of the host.

Wed Jul 17 22:19:53 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/UPIPE_Connector.cpp (connect): Added an #ifdef around the
          check of ACE_OS::isastream (handle) in
          ACE_UPIPE_Connector::connect() since the call is not supported
          on NT.

Thu Jul 11 22:22:57 1996  Tim H. Harrison  (harrison@lambada.cs.wustl.edu)

        * ace/OS.i (kill): Modified ACE_OS::kill so that it works on NT.
          It takes a process ID, creates a handle for the associated
          process, and calls TerminateProcess on the handle.  This is
          actually pretty dangerous according to the NT documentation.
          Can majorly confuse DLLs.  Does the same old thing on UNIX.

        * ace/OS.cpp (fork_exec): Added a fork_exec operation to ACE_OS.
          This works on UNIX and NT.  It combines the forking and exec'ing
          into one call.  This has to be combined since Win32
          CreateProcess only starts applications from scratch (unlike UNIX
          fork).

        * examples/OS/test_os.cpp: Added a new example application to test 
          the new ACE_OS::fork_exec and ACE_OS::kill operations.

Tue Jul  9 13:04:14 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Service_Manager.cpp (reconfigure_services): To improve
          portability on Win32 and UNIX I replaced the use of a signal to
          trigger reconfiguration to instead make a call to the new
          ACE_service_Config::reconfig_occurred() method.  This should
          actually perform the same as the original approach, since all
          the signal handler ever did was to set this flag!  Thanks to
          Karlheinz for pointing out the need for this.

        * ace/Service_Config.h: Added a new static public method called
          reconfig_occurred(sig_atomic_t) to set if a reconfiguration
          should take place the next time through the event loop.

Mon Jul  8 14:20:01 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/Time_Value.h: Added "ACE_Export" before all global operators
          to allow them to be dll-exportable on NT.

Mon Jul  8 13:12:05 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/{Message_Block,DEV_IO,SPIPE_Stream}.cpp: Fixed several more
          cases of delete array that should have been delete [] array.
          Thanks to Tom Leith for pointing out some of these.  I can hear
          the ghost of James Mansion coming closer... ;-)

        * INSTALL: Added tips on how to install ACE on a Win32 platform
          that lacks a network card.

        * ChangeLog: Split ChangeLog-96 into two files (ChangeLog-96a and
          ChangeLog-96b) since it was becoming quite large!  Thanks to
          Chris Lahey for pointing this out.

        * ace/Stream.cpp: Was missing a "return 0;" at the end of the
          close() method.  Thanks to Tom Leith <trl@icon-stl.net> for
          finding this.

Mon Jul  8 14:20:01 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/Time_Value.h: Added "ACE_Export" before all global operators
          to allow them to be exportable from Win32 DLLs.

Sun Jul  7 10:34:48 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * Released version 4.0.27 for testing.

        * config-sunos5.5*.h: Removed all uses of ACE_HAS_SVR4_SIGNAL_T in
          the config files since Solaris 2.5 has consistent signal and
          sigaction types (at last!).

        * Installed and compiled ACE successfully with the new SunC++ 4.1
          compiler on Solaris 2.5.  However, there seems to be major
          problems with the interaction of the SunC++ exception handling
          runtime system and the Solaris multi-threading mechanisms.  This
          is causing the ACE multi-threading tests to bomb with
          segmentation faults inside of the _ex_unwind() library function.
          If you read the /opt/SUNWspro_3.1/READMEs/c++ file you'll see
          why this problem is occurring (apparently due to bugs in the
          Solaris libC.so.5 C++ runtime library).

          There seem to be two fixes for this problem:
          
          1. Add the following to *all* threads (including main):
          
             #include <exception.h>

             void *my_thread_entry_point (void *) {
               set_terminate (abort);
               set_unexpected (abort);

               // Do real work...
             }

             This is the approach recommended by the README file in
             SUNWspro_3.1.  However, it is *clearly* a horrible hack and
             very non-portable (therefore, I deem it worthy of Microsoft
             ;-)).
          
          2. Compile ACE (and applications?) with -noex in order to avoid
             this bug.  This is clearly not desirable either since it
             precludes the use of exception handling with C++ and threads
             on Solaris...

          Since ACE doesn't use exceptions internally on Solaris option 2
          seems like the best approach for the time being.  When Sun gets
          it act together and releases a bug-free library and C++
          software, I'll fix ACE accordingly.

        * tests: Integrated the latest of Prashant's "one-button" tests
          into the main ACE release.  These will run on both UNIX and
          Win32 now.

        * ace/UPIPE_Stream.cpp (recv): Changed the semantics of the
          ACE_UPIPE_Stream::recv (char *, size_t, ACE_Time_Value *)
          method.  Currently, the behavior is to block until *exactly* N
          bytes are read.  However, this is incorrect for 2 reasons:

          1. It makes it hard to write a server that doesn't know
             precisely how big the messages are from the client.  In
             particular, if the receiver doesn't know how big the buffer
             messages are from the client it will block indefinitely!

          2. It is redundant with respect to the
             ACE_UPIPE_Stream::recv_n(), which also blocks until all N
             bytes are received.

          Therefore, I've made the new UPIPE_Stream::recv() method block
          only until it's received the first block of data that allows it
          to fulfill its size request, or anything that is smaller than
          that size.

        * ace/OS.cpp (thr_create): Since POSIX pthreads doesn't provide an
          equivalent of THR_NEW_LWP in the pthreads_attr_* functions, I've
          added an emulation that should work for Solaris.  Basically, if
          THR_NEW_LWP is set when ACE_OS::thr_create() is called, we use
          the ACE_OS::thr_{get,set}concurrency methods to increase the
          number of LWPs by one.  

        * ace/Message_Block: Changed the default high water mark for an
          ACE_Message_Queue from 4K to 16K.  This is useful since it
          allows applications to buffer more information before blocking.

        * ace/Log_Msg: Added a pair of operations that allow applications
          to acquire and release the synchronization lock used internally
          by the ACE_Log_Msg implementation.  This allows applications to
          hold the lock atomically over a number of calls to ACE_Log_Msg,
          which is useful for composite operations like the following:
          
          // Make sure the following operations are run atomically!
          ACE_LOG_MSG->acquire ();

          while (c != '!')
            {
              if (c_stream.recv (&c, 1) == -1)
                ACE_DEBUG ((LM_DEBUG, 
                           "(%t) buffer recv from supplier failed\n"));
              else
                ACE_DEBUG ((LM_DEBUG, "%c", c));
            }

          ACE_LOG_MSG->release ();

        * examples/IPC_SAP/UPIPE_SAP: Revised all of the UPIPE_Stream
          tests to make them more consistent and correct with respect to
          the new changes.

        * ace/Stream.cpp (link_i): There was a bug in the link_i() logic
          because we weren't also linking the other stream back to our
          stream.

        * ace/UPIPE_{Acceptor,Connector}: Modified both of these classes
          so that they don't

        * ace/Stream.cpp (close): Modified close() so that it now detects
          "double-closes" and ignores anything but the first one.

        * ace/UPIPE_Stream: Updated this class so that it no longer
          inherits from ACE_Stream (previously ACE_UPIPE_Stream had
          inherited from *both* ACE_Stream *and* ACE_SPIPE).  There are
          several reasons we shouldn't inherit from ACE_Stream:
          
          1. There are operations on ACE_Stream that don't make any sense
             on ACE_UPIPE_Stream (e.g., link(), unlink()).

          2. ACE_Stream isn't really designed to be subclassed (e.g.,
             it doesn't have virtual methods).

          3. Not inheriting makes the interface cleaner, e.g., we now use
             send() and recv() methods consistently, rather than
             send_msg()/put() and recv_msg()/get().  
             
          4. The return values from the I/O methods are now more
             consistent than they were before.

        * ace/Message_Block: The signature for the copy() method was
          incorrect.  It should have been copy (const char *, .....)
          rather than copy (char *, ....).

        * examples/IPC_SAP/UPIPE_SAP: Together with Prashant, fixed up the
          ACE_UPIPE_Stream tests so they more cleverly
          (and correctly) utilize and illustrate various ACE concurrency
          features.

Sat Jul  6 18:28:55 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Stream.cpp: Fixed some obscure bugs with Stream::unlink()
          and Stream::link().  These bugs were triggered by the
          ACE_UPIPE_Stream tests.  We need to make sure that we don't have
          race conditions in the order in which ACE_UPIPE_Stream close()
          down.  Prashant and I fixed this problem by (1) adding a lock to
          unlink() and link() and then creating unlink_i() and link_i() to
          perform the work and (2) being more careful about trying to
          unlink our side and the other side of a linked Stream.

        * ace/config-linux.h: According to Istvan Buki
          <istvan.buki@infoboard.be>, Linux now supports the
          send_msg()/recv_msg() system calls, as well as UNIX domain
          sockets.  Therefore, I've updated the config-linux*.h file to
          remove the existing restrictions.  If this turns out not to be
          the case, please let me know.

        * ace/LSOCK.cpp (recv_handle): Added a change to some casts to
          make ACE compile with Linux.  Thanks to Istvan Buki
          <istvan.buki@infoboard.be> for reporting this.

        * apps/Gateway/Gateway/File_Parser.cpp (readword): Removed
          yet another use of:
          
          for (int x; foo(x); )
          {
          }

          x = 10;

          Which is now a deprecated feature of C++.

        * include/makeinclude: added the -lw library to the GNU G++
          platform*.GNU file in order to pick up the wide-character string
          functions.

Fri Jul  5 18:11:44 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * Re-released version 4.0.26 for testing.

        * ace/CORBA_Handler.cpp (activate_service): Revised the code to
          use the Orbix macros for TRY/CATCH rather than try/catch.  We
          need this to make legacy code work!  Thanks to Irfan for
          pointing this out.

        * ace/Thread_Manager: Fixed a bunch of typos that grelims snuck
          in.  Thanks to Jack Erickson <jack@cibc.com> for reporting this.

        * examples/IPC_SAP/TLI_SAP/ftp-server.cpp: Fixed some typos that
          were causing problems on AIX.  Thanks to Greg Wilson
          <gvwilson@vnet.ibm.com> for reporting this.

        * examples/Reactor/Misc/test_time_value.cpp (operator<<): Added a
          "const" in front of the ACE_Time_Value & in order to make things
          work correctly on AIX.  Thanks to Greg Wilson
          <gvwilson@vnet.ibm.com> for reporting this.

        * ace/SPIPE_Acceptor: Fixed some missing "returns" that had sprung
          up in the #else arm of the SPIPE code.  Thanks to Greg Wilson
          <gvwilson@vnet.ibm.com> for reporting this.

        * apps/Synch-Benchmarks/Benchmark: Fixed a typo that was causing
          the application to fail to compile on AIX.  Thanks to Greg
          Wilson <gvwilson@vnet.ibm.com> for reporting this.

        * Changed all uses of virtual int init (int, char **) to virtual
          int init (int, char *[]) to workaround bugs with MSVC++...

        * ace/OS.h: for POSIX pthreads, changed the definition of the
          THR_SCOPE_SYSTEM macro so that it has the same value as
          THR_BOUND.  If this isn't done, then things don't quite work
          right when we implement the ACE_OS::thr_create() wrapper.

Thu Jul  4 13:17:35 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Thread_Manager: Added a new method called thr_self() that
          *does* return a real handle that can be used by
          WaitForMultipleObjects, etc.  Note that this new approach
          cleverly caches this handle in TSS in order to cut down on
          search time.  Thanks to Jesper for pointing this technique out.

        * ace/OS.i (thr_self): After receiving comments from Jesper, undid
          the earlier change today that was returning a duplicated handle
          for ACE_OS::thr_self().  It turns out this is a bad idea because
          the handle most typically doesn't get released, which leads to
          handle leaks.  

        * ace/Thread_Manager: Added a new private method called
          check_state().  This method extends existing code to be smarter
          about how we check to see what "state" (e.g., suspended,
          cancelled, etc.) a thread is in.  The original code
          (which was a macro called ACE_CHECK_STATE) didn't behave
          correctly if we asked about the state of a thread that was
          different from ourselves!

        * ace/Thread: Modified the public interface to
          ACE_Thread::spawn_n() so that it now takes a void *stack[] and
          size_t stack_size[].  If stack != 0 it is assumed to be an array
          of n pointers to the base of the stacks to use for the threads
          being spawned.  Likewise, if stack_size != 0 it is assumed to be
          an array of n values indicating how big each of the
          corresponding stacks are.  This is useful since now we can spawn
          a group of threads each of which has its own custom stack and/or
          stack size.  Thanks to Ashish Singhai
          <singhai@delirius.cs.uiuc.edu> for pointing out the need for
          this.

        * apps/Synch-Benchmarks: Updated the Synch benchmarks so that most
          of them work again.  The trick is *not* to use ACE_OS::sleep ()
          (which doesn't seem to be thread-friendly...) but instead to use
          ACE_OS::select() as a timer.

        * man: updated the manual pages and html pages to reflect all the
          recent changes.

        * ace/Malloc_T.cpp (open): Added a check to make sure that if
          init_acquire() fails we don't let this go by undetected...
          Thanks to Karlheinz for pointing out the need for this.

        * ace/OS.i (thr_getconcurrency): Fixed a subtle bug with the
          ACE_OS::thr_getconcurrency() function.  I was mistakenly using
          ACE_ADAPT_RETVAL for the result of ::thr_getconcurrency(), which
          is clearly wrong!

        * ace/Service_Record.cpp (remove): Fixed a typo that was causing
          the removals of Modules in a dynamically configured Stream to go
          into infinite loops.

        * ace/OS.i (thr_self): Modified the ACE_OS::thr_self (hthread_t &)
          function so that it will return a *duplicate* of the current
          thread's pseudo-handle returned by GetCurrentThread().  This
          change is necessary because the pseudo-handle returned by
          GetCurrentThread() is pretty useless (e.g., it can't be used by
          any other thread to "wait" for this thread to exit).  This new
          behavior is used in the examples/Reactor/ReactorEx test program.

        * ace/Service_Config.cpp: I'd forgotten to assign the
          delete_svc_rep_ flag when dynamically allocating the svc_rep_.
          This is fixed now.

Wed Jul  3 20:09:44 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * Added a new subdirectory called $WRAPPER_ROOT/tests that
          contains the first phase of the ACE regression tests.

        * ace/Reactor.cpp (check_handles): Fixed an earlier fix with the
          ACE_Reactor::wait_for_multiple_events() method.  The earlier fix
          had changed the exit condition of do/while loop to be
          
          while (nfound == -1 && this->handle_error () >= 0);

          However, this was causing signal handling to break...
          Therefore, the right fix is to keep the exit test as:

          while (nfound == -1 && this->handle_error () > 0);

          and instead fix handle_errors() so that it returns 1 if we're
          able to fix a bad handle...  Thanks to Prashant and Irfan for
          tracking this down.

        * ace/OS: Finally broken down and added a new pair of ACE_OS
          functions called "last_error()".  These basically call
          SetLastError/GetLastError on Win32 or they set/get errno on
          UNIX.

        * ace/config-linux.h: Fixed an annoying problem with 
          struct msghdr in Linux by adding

          #define msg_accrights    msg_control
          #define msg_accrightslen msg_controllen

          to the config-linux*.h files.  Thanks to Michael R"uger
          <m_rueger@syscomp.de> for suggesting this.

        * ace/SOCK_IO.cpp (recv): Fixed a "bug" where
          ACE_SOCK_IO::{send,recv} allocates with:

          iovec *iovp = new iovec[total_tuples];

          But deletes with:

          delete iovp;

          Thanks to the ever vigilant James Mansion
          (mansionj@lonnds.ml.com) for noticing this.

Tue Jul  2 23:48:38 1996  Tim H. Harrison  (harrison@lambada.cs.wustl.edu)

        * ace/Service_Config.h: Added ReactorEx to the singleton resources
          that the Service_Configurator holds.  This includes accessors,
          destruction hooks, and event loop methods.

        * examples/Reactor/ReactorEx/README: There is a new example
          application for the ReactorEx.  Please check out
          examples/Reactor/ReactorEx/README for details.

Tue Jul  2 18:43:12 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * Released version 4.0.25 for testing.

        * examples/ASX/Message_Queue/priority_buffer.cpp: Added a new test
          program that illustrates the use of the new Message_Queue
          priority scheme.

        * ace/Message_Queue: Added new support for prioritized message
          enqueueing into the ACE_Message_Queue.  Now, when an application
          uses ACE_Message_Queue::enqueue() the new Message_Block is
          inserted into the queue according to its msg_priority().  When
          dequeue_head() is used the item retrieved will then be the item
          of "highest priority" (priorities range from 0 to MAX_LONG).
          Note that the semantics of the existing enqueue methods,
          enqueue_head() and enqueue_tail(), remain unchanged.

        * ace/Message_Block: Changed the type of the priority in a message
          block to u_long rather than u_char.  This gives us a much
          greater range of priorities!

Mon Jul  1 01:12:08 1996  Douglas C. Schmidt  (schmidt@tango.cs.wustl.edu)

        * ace/Thread.h: Changed a couple of mistyped comments.  Thanks
          to the eagle eyes of Andres Kruse for noticing this.

        * ace/OS: added more comprehensive support for UNICODE to
          both the Win32 and UNIX OS adaptation layer.  This new
          support automagically selects the appropriate implementation
          (i.e., either char * or wchar_t *) for the string comparison
          routines (which are used in places like ACE_Mem_Map).

        * ace/Service_Config: Split up the ACE_Service_Config::close()
          method into two parts: close_svcs() and close_singletons().
          This makes it possible to remove svc.conf services without
          destroying Singletons like the Proactor, Reactor, etc.  Thanks
          to Karlheinz for recommending this.

        * ace/Service_Config: Added flags for remembering who created the
          Singleton Proactor, Allocator, Thread_Manager, and
          Service_Repository (in addition to the Reactor, which I did last
          week).  If we created these Singletons, then we are responsible
          for freeing them up.  Thanks to Karlheinz for pointing out the
          need for this.

Mon Jul  1 16:26:27 1996  Prashant Jain  (pjain@merengue.cs.wustl.edu)

        * ace/Connector.cpp: Added two new arguments to connect () namely,
          "int flags" and "int perms". The Connector can now pass these
          two arguments to its template arguments (e.g., SOCK_Connector,
          SPIPE_Connector, etc.) when calling their connect() method.  A
          consequence of doing this was that we had to modify the
          signature of the connect() method on some of the IPC_SAP classes
          (e.g., TLI_Connector, SOCK_Connector, and LSOCK_Connector).  
          Note that these changes may break some existing code,
          particularly with TLI_Connector (see below), so beware...

        * ace/TLI_Connector.cpp: Changed the order of the connect()
          arguments to be more consistent with the rest of the IPC_SAP
          classes used with the Connector.  Please note that existing
          examples which use TLI_Connector may need to be modified as a
          result of this change.

        * ace/OS.i (open): Modified ACE_OS::open() to use the argument
          perms to turn the flag FILE_FLAG_OVERLAPPED on and off for
          Win32.

        * ace/Service_Config.cpp (end_proactor_event_loop): Added new
          methods run_proactor_event_loop() and end_proactor_event_loop()
          which call handle_events on the Proactor.

Mon Jul  1 02:15:34 1996  Tim H. Harrison  (harrison@lambada.cs.wustl.edu)

        * ace/Proactor.h: Made ACE_Proactor an ACE_Event_Handler so that
          it can be registered with the ACE_ReactorEx.  ACE_Proactor
          associates the same global HANDLE with every overlapped I/O
          operation.  This global HANDLE can be registered with the
          ACE_ReactorEx.  Therefore, by using the
          ACE_Proactor::handle_signal method as an adapter, we can now
          dispatch overlapped I/O and other "waitable" objects from a one
          ACE_ReactorEx running in a single thread of control.  Thanks to
          James Mansion <mansionj@lonnds.ml.com> for setting us on the
          right path!

        * ace/ReactorEx.h: Added a ACE_ReactorEx to encapsulate Win32
          WaitForMultipleObjects().  The ACE_ReactorEx handle_events()
          method calls ACE_Event_Handler::handle_signal when the
          corresponding Win32 HANDLE becomes signaled.  This gives us a
          uniform abstraction for dispatching all "waitable" objects on
          Win32, including events related to I/O completion ports and
          events related to other forms of NT synchronization (such as
          mutexes, semaphores, threads, etc.).

        * ace/Timer_Queue.h (calculate_timeout): Added a calculate_timeout
          method to ACE_Timer_Queue.  Also removed the same method from
          ACE_Reactor.  This is so Reactor, ReactorEx, and Proactor can
          all reuse the calculations required by the Timer_Queue without
          duplicating code.