path: root/ace/Service_Config.cpp

// Service_Config.cpp
// $Id$

#define ACE_BUILD_DLL
#include "ace/Svc_Conf.h"
#include "ace/Get_Opt.h"
#include "ace/ARGV.h"
#include "ace/Malloc.h"
#include "ace/Service_Manager.h"
#include "ace/Service_Repository.h"
#include "ace/Service_Record.h"
#include "ace/Set.h"
#include "ace/Auto_Ptr.h"
#include "ace/Service_Config.h"

#if !defined (__ACE_INLINE__)
#include "ace/Service_Config.i"
#endif /* __ACE_INLINE__ */

ACE_ALLOC_HOOK_DEFINE(ACE_Service_Config)

void
ACE_Service_Config::dump (void) const
{
  ACE_TRACE ("ACE_Service_Config::dump");
}

// All the factory functions that allocate default statically linked
// services should be placed below.

// Allocate a Service Manager.

ACE_SVC_FACTORY_DEFINE (ACE_Service_Manager)

// ----------------------------------------

// Set the signal handler to point to the handle_signal() function.
ACE_Sig_Adapter ACE_Service_Config::signal_handler_ (&ACE_Service_Config::handle_signal);

// Process-wide Service Repository.
ACE_Service_Repository *ACE_Service_Config::svc_rep_ = 0;

// Controls whether the Service_Repository is deleted when we shut
// down (we can only delete it safely if we created it!)
int ACE_Service_Config::delete_svc_rep_ = 0;

// Process-wide Thread Manager.
ACE_Thread_Manager *ACE_Service_Config::thr_mgr_ = 0;

// Controls whether the Thread_Manager is deleted when we shut down
// (we can only delete it safely if we created it!)
int ACE_Service_Config::delete_thr_mgr_ = 0;

// Process-wide ACE_Allocator.
ACE_Allocator *ACE_Service_Config::allocator_ = 0;

// Controls whether the Allocator is deleted when we shut down (we can
// only delete it safely if we created it!)
int ACE_Service_Config::delete_allocator_ = 0;

// Process-wide ACE_Proactor.
ACE_Proactor *ACE_Service_Config::proactor_ = 0;

// Controls whether the Proactor is deleted when we shut down (we can
// only delete it safely if we created it!)
int ACE_Service_Config::delete_proactor_ = 0;

// Process-wide ACE_Reactor.
ACE_Reactor *ACE_Service_Config::reactor_ = 0;

// Controls whether the Reactor is deleted when we shut down (we can
// only delete it safely if we created it!)
int ACE_Service_Config::delete_reactor_ = 0;

// Process-wide ACE_ReactorEx.
ACE_ReactorEx *ACE_Service_Config::reactorEx_ = 0;

// Controls whether the ReactorEx is deleted when we shut down (we can
// only delete it safely if we created it!)
int ACE_Service_Config::delete_reactorEx_ = 0;

// Make this the default.
typedef ACE_Malloc <ACE_LOCAL_MEMORY_POOL, ACE_Null_Mutex> ACE_DEFAULT_MALLOC;

// Terminate the eventloop.
sig_atomic_t ACE_Service_Config::end_reactor_event_loop_ = 0;
sig_atomic_t ACE_Service_Config::end_proactor_event_loop_ = 0;
sig_atomic_t ACE_Service_Config::end_reactorEx_event_loop_ = 0;

// Trigger a reconfiguration.
sig_atomic_t ACE_Service_Config::reconfig_occurred_ = 0;

  // = Set by command-line options. 
char ACE_Service_Config::debug_ = 0;
char ACE_Service_Config::be_a_daemon_ = 0;
char ACE_Service_Config::no_defaults_ = 0;

// Number of the signal used to trigger reconfiguration.
int ACE_Service_Config::signum_ = SIGHUP;

// Name of the service configuration file. 
const char *ACE_Service_Config::service_config_file_ = ACE_DEFAULT_SVC_CONF;

// Name of file used to store messages.
LPCTSTR ACE_Service_Config::logger_key_ = ACE_LOGGER_KEY;

// Define the object that describes the service statically.
ACE_STATIC_SVC_DEFINE (ACE_Service_Manager,
		       "ACE_Service_Manager", ACE_SVC_OBJ_T, &ACE_SVC_NAME (ACE_Service_Manager),
		       ACE_Service_Type::DELETE_THIS | ACE_Service_Type::DELETE_OBJ, 0)

ACE_STATIC_SVC_REQUIRE (ACE_Service_Manager)

// List of statically configured services.

ACE_STATIC_SVCS *
ACE_Service_Config::static_svcs (void)
{
  static ACE_STATIC_SVCS *instance_ = 0;

  // Add other default services here if you'd like.

  if (instance_ == 0)
    ACE_NEW_RETURN (instance_, ACE_STATIC_SVCS, 0);

  return instance_;
}

ACE_Allocator *
ACE_Service_Config::alloc (void)
{
  ACE_TRACE ("ACE_Service_Config::allocator");
  if (ACE_Service_Config::allocator_ == 0)
    {
      ACE_NEW_RETURN (ACE_Service_Config::allocator_,
		      ACE_Allocator_Adapter <ACE_DEFAULT_MALLOC>,
		      0);
      ACE_Service_Config::delete_allocator_ = 1;
    }
  return ACE_Service_Config::allocator_;
}

ACE_Allocator *
ACE_Service_Config::alloc (ACE_Allocator *r)
{
  ACE_TRACE ("ACE_Service_Config::allocator");

  ACE_Allocator *t = ACE_Service_Config::allocator_;

  // We can't safely delete it since we don't know who created it!
  ACE_Service_Config::delete_allocator_ = 0;

  ACE_Service_Config::allocator_ = r;
  return t;
}

ACE_Reactor *
ACE_Service_Config::reactor (void)
{
  ACE_TRACE ("ACE_Service_Config::reactor");
  if (ACE_Service_Config::reactor_ == 0)
    {
      ACE_NEW_RETURN (ACE_Service_Config::reactor_, ACE_Reactor, 0);
      ACE_Service_Config::delete_reactor_ = 1;
    }
  return ACE_Service_Config::reactor_;
}

ACE_Reactor *
ACE_Service_Config::reactor (ACE_Reactor *r)
{
  ACE_TRACE ("ACE_Service_Config::reactor");

  ACE_Reactor *t = ACE_Service_Config::reactor_;
  // We can't safely delete it since we don't know who created it!
  ACE_Service_Config::delete_reactor_ = 0;

  ACE_Service_Config::reactor_ = r;
  return t;
}

ACE_Proactor *
ACE_Service_Config::proactor (size_t threads)
{
  ACE_TRACE ("ACE_Service_Config::proactor");
  if (ACE_Service_Config::proactor_ == 0)
    {
      ACE_NEW_RETURN (ACE_Service_Config::proactor_, ACE_Proactor (threads), 0);
      ACE_Service_Config::delete_proactor_ = 1;
    }
  return ACE_Service_Config::proactor_;
}

ACE_Proactor *
ACE_Service_Config::proactor (ACE_Proactor *r)
{
  ACE_TRACE ("ACE_Service_Config::proactor");

  ACE_Proactor *t = ACE_Service_Config::proactor_;
  // We can't safely delete it since we don't know who created it!
  ACE_Service_Config::delete_proactor_ = 0;

  ACE_Service_Config::proactor_ = r;
  return t;
}

ACE_ReactorEx *
ACE_Service_Config::reactorEx (void)
{
  ACE_TRACE ("ACE_Service_Config::reactorEx");
  if (ACE_Service_Config::reactorEx_ == 0)
    {
      ACE_NEW_RETURN (ACE_Service_Config::reactorEx_, ACE_ReactorEx, 0);
      ACE_Service_Config::delete_reactorEx_ = 1;
    }

  return ACE_Service_Config::reactorEx_;
}

ACE_ReactorEx *
ACE_Service_Config::reactorEx (ACE_ReactorEx *r)
{
  ACE_TRACE ("ACE_Service_Config::reactorEx");

  ACE_ReactorEx *t = ACE_Service_Config::reactorEx_;
  // We can't safely delete it since we don't know who created it!
  ACE_Service_Config::delete_reactorEx_ = 0;

  ACE_Service_Config::reactorEx_ = r;
  return t;
}

ACE_Service_Repository *
ACE_Service_Config::svc_rep (void)
{
  ACE_TRACE ("ACE_Service_Config::svc_rep");

  if (ACE_Service_Config::svc_rep_ == 0)
    {
      ACE_NEW_RETURN (ACE_Service_Config::svc_rep_, ACE_Service_Repository, 0);
      ACE_Service_Config::delete_svc_rep_ = 1;
    }

  return ACE_Service_Config::svc_rep_;
}

ACE_Service_Repository *
ACE_Service_Config::svc_rep (ACE_Service_Repository *s)
{
  ACE_TRACE ("ACE_Service_Config::svc_rep");

  ACE_Service_Repository *t = ACE_Service_Config::svc_rep_;
  // We can't safely delete it since we don't know who created it!
  ACE_Service_Config::delete_svc_rep_ = 0;

  ACE_Service_Config::svc_rep_ = s;
  return t;
}

ACE_Thread_Manager *
ACE_Service_Config::thr_mgr (void)
{
  ACE_TRACE ("ACE_Service_Config::thr_mgr");

  if (ACE_Service_Config::thr_mgr_ == 0)
    {
      ACE_NEW_RETURN (ACE_Service_Config::thr_mgr_, ACE_Thread_Manager, 0);
      ACE_Service_Config::delete_thr_mgr_ = 1;
    }

  return ACE_Service_Config::thr_mgr_;
}

ACE_Thread_Manager *
ACE_Service_Config::thr_mgr (ACE_Thread_Manager *tm)
{
  ACE_TRACE ("ACE_Service_Config::thr_mgr");

  ACE_Thread_Manager *t = ACE_Service_Config::thr_mgr_;
  // We can't safely delete it since we don't know who created it!
  ACE_Service_Config::delete_thr_mgr_ = 0;

  ACE_Service_Config::thr_mgr_ = tm;
  return t;
}

// Totally remove <svc_name> from the daemon by removing it from the
// ACE_Reactor, and unlinking it if necessary.

int
ACE_Service_Config::remove (const char svc_name[])
{
  ACE_TRACE ("ACE_Service_Config::remove");
  return ACE_Service_Config::svc_rep ()->remove (svc_name);
}

// Suspend SVC_NAME.  Note that this will not unlink the service from
// the daemon if it was dynamically linked, it will mark it as being
// suspended in the Service Repository and call the suspend() member
// function on the appropriate ACE_Service_Object.  A service can be
// resumed later on by calling the RESUME() member function...

int
ACE_Service_Config::suspend (const char svc_name[])
{
  ACE_TRACE ("ACE_Service_Config::suspend");
  return ACE_Service_Config::svc_rep ()->suspend (svc_name);
}

// Resume a SVC_NAME that was previously suspended or has not yet
// been resumed (e.g., a static service). 

int
ACE_Service_Config::resume (const char svc_name[])
{
  ACE_TRACE ("ACE_Service_Config::resume");
  return ACE_Service_Config::svc_rep ()->resume (svc_name);
}

// Initialize the Service Repository.  Note that this *must*
// be performed in the constructor (rather than open()) since
// otherwise the repository will not be properly initialized
// to allow static configuration of services... 

ACE_Service_Config::ACE_Service_Config (int ignore_defaults, 
					size_t size, 
					int signum)
{
  ACE_TRACE ("ACE_Service_Config::ACE_Service_Config");
  ACE_Service_Config::no_defaults_ = ignore_defaults;
  ACE_Service_Config::signum_ = signum;

  // Initialize the Service Repository.

  if (ACE_Service_Config::svc_rep_ == 0)
    {
      ACE_NEW (ACE_Service_Config::svc_rep_, 
	       ACE_Service_Repository (size));

      // We created it, so we own it!
      ACE_Service_Config::delete_svc_rep_ = 1;
    }

  // Initialize the ACE_Reactor (the ACE_Reactor should be the same
  // size as the ACE_Service_Repository).

  if (ACE_Service_Config::reactor_ == 0)
    {
      ACE_NEW (ACE_Service_Config::reactor_, 
	       ACE_Reactor (size));

      // We created it, so we own it!
      ACE_Service_Config::delete_reactor_ = 1;
    }

// There's no point in dealing with this on NT since it doesn't really
// support signals very well...
#if !defined (ACE_WIN32)
  // This really ought to be a Singleton I suspect...

  if (ACE_Service_Config::reactor_->register_handler 
      (ACE_Service_Config::signum_, 
       &ACE_Service_Config::signal_handler_) == -1)
    ACE_ERROR ((LM_ERROR, "can't register signal handler\n"));
#endif /* !ACE_WIN32 */
}

// Handle the command-line options intended for the
// ACE_Service_Config.

void
ACE_Service_Config::parse_args (int argc, char *argv[])
{
  ACE_TRACE ("ACE_Service_Config::parse_args");
  ACE_Get_Opt getopt (argc, argv, "bdf:ns:", 1); // Start at argv[1]

  for (int c; (c = getopt ()) != -1; )
    switch (c)
      {
      case 'b':
	ACE_Service_Config::be_a_daemon_ = 1;
	break;
      case 'd': 
	ACE_Service_Config::debug_ = 1;
	break;
      case 'f':
	ACE_Service_Config::service_config_file_ = getopt.optarg;
	break;
      case 'n':
	ACE_Service_Config::no_defaults_ = 1;
	break;
      case 's':
	{
// There's no point in dealing with this on NT since it doesn't really
// support signals very well...
#if !defined (ACE_WIN32)
	  ACE_Service_Config::signum_ = ACE_OS::atoi (getopt.optarg);

	  if (ACE_Service_Config::reactor ()->register_handler 
	      (ACE_Service_Config::signum_, 
	       &ACE_Service_Config::signal_handler_) == -1)
	    ACE_ERROR ((LM_ERROR, "cannot obtain signal handler\n"));
#endif /* !ACE_WIN32 */
	  break;
	}
      default:
	ACE_ERROR ((LM_ERROR, "%c is not a ACE_Service_Config option\n", c));
	break;
      }
}

// Initialize and activate a statically linked service. 

int
ACE_Service_Config::initialize (const char svc_name[], 
				char *parameters)
{
  ACE_TRACE ("ACE_Service_Config::initialize");
  ACE_ARGV args (parameters);
  ACE_Service_Record  *srp = 0;

  ACE_DEBUG ((LM_DEBUG, "opening static service %s\n", svc_name));

  if (ACE_Service_Config::svc_rep ()->find 
      (svc_name, (const ACE_Service_Record **) &srp) == -1)
    ACE_ERROR_RETURN ((LM_ERROR, "%s not found\n", svc_name), -1);    

  else if (srp->type ()->init (args.argc (), args.argv ()) == -1)
    ACE_ERROR_RETURN ((LM_ERROR, "static initialization failed, %p\n", 
		       svc_name), -1);
  else
    {
      srp->active (1);
      return 0;
    }
}

// Dynamically link the shared object file and retrieve a pointer to
// the designated shared object in this file.

int
ACE_Service_Config::initialize (const ACE_Service_Record *sr,
				char  parameters[])
{
  ACE_TRACE ("ACE_Service_Config::initialize");
  ACE_ARGV args (parameters);

  ACE_DEBUG ((LM_DEBUG, "opening dynamic service %s\n", sr->name ()));

  if (ACE_Service_Config::svc_rep ()->insert (sr) == -1)
    ACE_ERROR_RETURN ((LM_ERROR, "insertion failed, %p\n", sr->name ()), -1);

  else if (sr->type ()->init (args.argc (), args.argv ()) == -1)
    ACE_ERROR_RETURN ((LM_ERROR, "dynamic initialization failed for %s\n", 
		      sr->name ()), -1);
  else
    return 0;
}

// Process service configuration requests as indicated in the
// <service_config_file>.

int 
ACE_Service_Config::process_directives (void)
{
  ACE_TRACE ("ACE_Service_Config::process_directives");

  FILE *fp = ACE_OS::fopen (ACE_Service_Config::service_config_file_, "r");

  if (fp == 0)
    {
      errno = ENOENT;
      return -1; // No service configuration file
    }
  else
    {
      ace_yyrestart (fp);

      ace_yyerrno = 0;
      ace_yylineno = 1;
  
      // Use an auto_ptr to make sure that we release this memory
      // regardless of how we exit...
      ACE_NEW_RETURN (ace_obstack, ACE_Obstack, -1);

      auto_ptr<ACE_Obstack> holder (ace_obstack);

      ace_yyparse ();

      if (ace_yyerrno > 0)
	errno = EINVAL; // This is a hack, better errors should be provided... 

      return ace_yyerrno;
    }
}

// Add the default statically-linked services to the Service
// Repository.

int
ACE_Service_Config::load_defaults (void)
{
  ACE_TRACE ("ACE_Service_Config::load_defaults");

  ACE_Static_Svc_Descriptor **ssdp = 0;
  ACE_STATIC_SVCS &svcs = *ACE_Service_Config::static_svcs ();

  for (ACE_STATIC_SVCS_ITERATOR iter (svcs);
       iter.next (ssdp) != 0;
       iter.advance ())
    {
      ACE_Static_Svc_Descriptor *ssd = *ssdp;

      ACE_Service_Type *stp = 
	ace_create_service_type (ssd->name_, 
				 ssd->type_, 
				 (const void *) (*ssd->alloc_)(), 
				 ssd->flags_);
      if (stp == 0)
	continue;

      ACE_Service_Record *sr;

      ACE_NEW_RETURN (sr, ACE_Service_Record (ssd->name_, stp, 
					      0, ssd->active_), -1);

      if (ACE_Service_Config::svc_rep ()->insert (sr) == -1)
	return -1;
    }
  return 0;
}

// Performs an open without parsing command-line arguments.

int
ACE_Service_Config::open (const char program_name[])
{   
  ACE_TRACE ("ACE_Service_Config::open");

  // Only use STDERR if the users hasn't already set the flags.
  if (ACE_LOG_MSG->open (program_name, 
			 ACE_LOG_MSG->flags () ? ACE_LOG_MSG->flags () : (u_long) ACE_Log_Msg::STDERR,
			 ACE_Service_Config::logger_key_) == -1)
    return -1;
  ACE_DEBUG ((LM_STARTUP, "starting up daemon %n\n"));

  // Initialize the Service Repository (this will still work if user
  // forgets to define an object of type ACE_Service_Config).

  if (ACE_Service_Config::svc_rep_ == 0)
    {
      ACE_NEW_RETURN (ACE_Service_Config::svc_rep_, 
		      ACE_Service_Repository (ACE_Service_Config::MAX_SERVICES), -1);

      // We created it, so we own it!
      ACE_Service_Config::delete_svc_rep_ = 1;
    }

  // Initialize the ACE_Reactor (the ACE_Reactor should be the same
  // size as the ACE_Service_Repository).

  if (ACE_Service_Config::reactor_ == 0)
    {
      ACE_NEW_RETURN (ACE_Service_Config::reactor_,
		      ACE_Reactor (ACE_Service_Config::MAX_SERVICES), -1);
      // We created it, so we own it!
      ACE_Service_Config::delete_reactor_ = 1;
    }

  if (ACE_Service_Config::be_a_daemon_)
    ACE_Service_Config::start_daemon ();	 

  // Register ourselves to receive reconfiguration requests via
  // signals!

  if (ACE_Service_Config::no_defaults_ == 0 
      && ACE_Service_Config::load_defaults () == -1)
    return -1;
  else
    return ACE_Service_Config::process_directives ();
}

ACE_Service_Config::ACE_Service_Config (const char program_name[])
{
  ACE_TRACE ("ACE_Service_Config::ACE_Service_Config");

  if (this->open (program_name) == -1 
      && errno != ENOENT)   
    // Only print out an error if it wasn't the svc.conf file that was
    // missing.  
    ACE_ERROR ((LM_ERROR, "%p\n", program_name));
}

// Signal handling API to trigger dynamic reconfiguration.

void
ACE_Service_Config::handle_signal (int sig, siginfo_t *, ucontext_t *)
{
  ACE_TRACE ("ACE_Service_Config::handle_signal");

  if (ACE_Service_Config::signum_ != sig)
    ACE_ERROR ((LM_ERROR, 
		"error, signal %S does match %S\n", 
		sig, ACE_Service_Config::signum_));

  if (ACE_Service_Config::debug_)
    ACE_DEBUG ((LM_DEBUG, "signal %S occurred\n", sig));

  ACE_Service_Config::reconfig_occurred_ = 1;
}

// Trigger the reconfiguration process.

void
ACE_Service_Config::reconfigure (void)
{
  ACE_TRACE ("ACE_Service_Config::reconfigure");

  ACE_Service_Config::reconfig_occurred_ = 0;

  if (ACE_Service_Config::debug_)
    {
      time_t t = ACE_OS::time (0);
      ACE_DEBUG ((LM_DEBUG, "beginning reconfiguration at %s", ACE_OS::ctime (&t)));
    }

  if (ACE_Service_Config::process_directives () == -1)
    ACE_ERROR ((LM_ERROR, "%p\n", "process_directives"));
}

// Run the event loop until the <ACE_Reactor::handle_events>
// method returns -1 or the <end_reactor_event_loop> method
// is invoked.

int
ACE_Service_Config::run_reactor_event_loop (void)
{
  ACE_TRACE ("ACE_Service_Config::run_reactor_event_loop");

  while (ACE_Service_Config::end_reactor_event_loop_ == 0)
    {
      int result = ACE_Service_Config::reactor ()->handle_events ();

      if (ACE_Service_Config::reconfig_occurred_)
	ACE_Service_Config::reconfigure ();

      else if (result == -1)
	return -1;
    }
  /* NOTREACHED */
  return 0;
}

// Run the event loop until the <ACE_Reactor::handle_events>
// method returns -1, the <end_reactor_event_loop> method
// is invoked, or the <ACE_Time_Value> expires.

int
ACE_Service_Config::run_reactor_event_loop (ACE_Time_Value &tv)
{
  ACE_TRACE ("ACE_Service_Config::run_reactor_event_loop");

  while (ACE_Service_Config::end_reactor_event_loop_ == 0)
    {
      int result = ACE_Service_Config::reactor ()->handle_events (tv);
      if (ACE_Service_Config::reconfig_occurred_)
	ACE_Service_Config::reconfigure ();
      else if (result <= 0)
	return result;
    }

  /* NOTREACHED */
  return 0;
}

// Tidy up and perform last rites on a terminating ACE_Service_Config.
int
ACE_Service_Config::close (void)
{
  ACE_TRACE ("ACE_Service_Config::close");

  if (ACE_Service_Config::svc_rep_ != 0)
    {
      ACE_DEBUG ((LM_SHUTDOWN, "shutting down daemon %n\n"));

      // ACE_Service_Config must be deleted first so that an object's
      // fini() method may reference a valid ACE_Reactor.
      ACE_Service_Config::close_svcs ();
      ACE_Service_Config::close_singletons ();
    }
  return 0;
}

int
ACE_Service_Config::close_svcs (void)
{
  ACE_TRACE ("ACE_Service_Config::close_svcs");

  if (ACE_Service_Config::delete_svc_rep_)
    {
      delete ACE_Service_Config::svc_rep_;
      ACE_Service_Config::svc_rep_ = 0;
    }

  return 0;
}

int
ACE_Service_Config::close_singletons (void)
{
  ACE_TRACE ("ACE_Service_Config::close_singletons");

  if (ACE_Service_Config::delete_reactor_)
    {
      delete ACE_Service_Config::reactor_;
      ACE_Service_Config::reactor_ = 0;
    }

  if (ACE_Service_Config::delete_proactor_)
    {
      delete ACE_Service_Config::proactor_;
      ACE_Service_Config::proactor_ = 0;
    }

  if (ACE_Service_Config::delete_reactorEx_)
    {
      delete ACE_Service_Config::reactorEx_;
      ACE_Service_Config::reactorEx_ = 0;
    }

  if (ACE_Service_Config::delete_thr_mgr_)
    {
      delete ACE_Service_Config::thr_mgr_;
      ACE_Service_Config::thr_mgr_ = 0;
    }

  if (ACE_Service_Config::delete_allocator_)
    {
      delete ACE_Service_Config::allocator_;
      ACE_Service_Config::allocator_ = 0;
    }
  return 0;
}

// Perform user-specified close activities and remove dynamic memory. 

 
ACE_Service_Config::~ACE_Service_Config (void)
{
  ACE_TRACE ("ACE_Service_Config::~ACE_Service_Config");
  ACE_Service_Config::close ();
}

/* static */
int
ACE_Service_Config::end_reactor_event_loop (void)
{
  ACE_TRACE ("ACE_Service_Config::end_reactor_event_loop");
  ACE_Service_Config::end_reactor_event_loop_ = 1;

  return ACE_Service_Config::reactor ()->notify ();
}

/* static */
sig_atomic_t
ACE_Service_Config::reactor_event_loop_done (void)
{
  ACE_TRACE ("ACE_Service_Config::end_proactor_event_loop");
  return ACE_Service_Config::end_reactor_event_loop_;
}

int
ACE_Service_Config::run_proactor_event_loop (void)
{
  ACE_TRACE ("ACE_Service_Config::run_proactor_event_loop");

  while (ACE_Service_Config::end_proactor_event_loop_ == 0)
    {
      int result = ACE_Service_Config::proactor ()->handle_events ();

      if (ACE_Service_Config::reconfig_occurred_)
	ACE_Service_Config::reconfigure ();

      else if (result == -1)
	return -1;
    }
  /* NOTREACHED */
  return 0;
}

// Handle events for -tv- time.  handle_events updates -tv- to reflect
// time elapsed, so do not return until -tv- == 0, or an error occurs.
int
ACE_Service_Config::run_proactor_event_loop (ACE_Time_Value &tv)
{
  ACE_TRACE ("ACE_Service_Config::run_proactor_event_loop");

  while ((ACE_Service_Config::end_proactor_event_loop_ == 0) &&
	 (tv != ACE_Time_Value::zero))
    {
      int result = ACE_Service_Config::proactor ()->handle_events (tv);
      if (ACE_Service_Config::reconfig_occurred_)
	ACE_Service_Config::reconfigure ();

      // An error has occurred.
      else if (result == -1)
	return result;
    }

  /* NOTREACHED */
  return 0;
}

int
ACE_Service_Config::end_proactor_event_loop (void)
{
  ACE_TRACE ("ACE_Service_Config::end_proactor_event_loop");
  ACE_Service_Config::end_proactor_event_loop_ = 1;
  //  ACE_Service_Config::proactor ()->notify ();
  return 0;
}

/* static */
sig_atomic_t
ACE_Service_Config::proactor_event_loop_done (void)
{
  ACE_TRACE ("ACE_Service_Config::end_proactor_event_loop");
  return ACE_Service_Config::end_proactor_event_loop_;
}

// ************************************************************

int
ACE_Service_Config::run_reactorEx_event_loop (void)
{
  ACE_TRACE ("ACE_Service_Config::run_reactorEx_event_loop");

  while (ACE_Service_Config::end_reactorEx_event_loop_ == 0)
    {
      int result = ACE_Service_Config::reactorEx ()->handle_events ();

      if (ACE_Service_Config::reconfig_occurred_)
	ACE_Service_Config::reconfigure ();

      else if (result == -1)
	return -1;
    }
  /* NOTREACHED */
  return 0;
}


int
ACE_Service_Config::run_reactorEx_event_loop (ACE_Time_Value &tv)
{
  ACE_TRACE ("ACE_Service_Config::run_reactorEx_event_loop");

  while ((ACE_Service_Config::end_reactorEx_event_loop_ == 0) &&
	 (tv != ACE_Time_Value::zero))
    {
      int result = ACE_Service_Config::reactorEx ()->handle_events (tv);
      if (ACE_Service_Config::reconfig_occurred_)
	ACE_Service_Config::reconfigure ();
      else if (result == -1)
	return result;
    }

  /* NOTREACHED */
  return 0;
}

int
ACE_Service_Config::end_reactorEx_event_loop (void)
{
  ACE_TRACE ("ACE_Service_Config::end_reactorEx_event_loop");
  ACE_Service_Config::end_reactorEx_event_loop_ = 1;
  return ACE_Service_Config::reactorEx ()->notify ();
}

/* static */
sig_atomic_t
ACE_Service_Config::reactorEx_event_loop_done (void)
{
  ACE_TRACE ("ACE_Service_Config::end_reactorEx_event_loop");
  return ACE_Service_Config::end_reactorEx_event_loop_;
}

// ************************************************************

/* static */
sig_atomic_t
ACE_Service_Config::reconfig_occurred (void)
{
  ACE_TRACE ("ACE_Service_Config::reconfig_occurred");
  return ACE_Service_Config::reconfig_occurred_;
}

void
ACE_Service_Config::reconfig_occurred (sig_atomic_t config_occurred)
{
  ACE_TRACE ("ACE_Service_Config::reconfig_occurred");
  ACE_Service_Config::reconfig_occurred_ = config_occurred;
}

#if defined (ACE_TEMPLATES_REQUIRE_SPECIALIZATION)
template class ACE_Set_Node<ACE_Static_Svc_Descriptor *>;
template class ACE_Unbounded_Set<ACE_Static_Svc_Descriptor *>;
template class ACE_Unbounded_Set_Iterator<ACE_Static_Svc_Descriptor *>;
template class ACE_Malloc<ACE_LOCAL_MEMORY_POOL, ACE_Null_Mutex>;
template class ACE_Allocator_Adapter<ACE_Malloc<ACE_LOCAL_MEMORY_POOL, ACE_Null_Mutex> >;
template class auto_ptr<ACE_Obstack>;
template class ACE_Guard<ACE_Null_Mutex>;
template class ACE_Read_Guard<ACE_Null_Mutex>;
template class ACE_Write_Guard<ACE_Null_Mutex>;
#endif /* ACE_TEMPLATES_REQUIRE_SPECIALIZATION */