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diff --git a/docs/tutorials/010/page04.html b/docs/tutorials/010/page04.html deleted file mode 100644 index a36a8d8bd29..00000000000 --- a/docs/tutorials/010/page04.html +++ /dev/null @@ -1,76 +0,0 @@ -<HTML> -<HEAD> - <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> - <META NAME="Author" CONTENT="James CE Johnson"> - <TITLE>ACE Tutorial 010</TITLE> -</HEAD> -<BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#000FFF" VLINK="#FF0F0F"> - -<CENTER><B><FONT SIZE=+2>ACE Tutorial 010</FONT></B></CENTER> - -<CENTER><B><FONT SIZE=+2>Passing chunks of data through an ACE_Message_Queue</FONT></B></CENTER> - - -<P> -<HR WIDTH="100%"> -Our <A HREF="task.h">Task</A> object executes in one or more threads -and reads from the message queue it contains. -<P> - -<HR WIDTH="100%"> -<PRE> -<font color=red>// $Id$</font> - -<font color=blue>#ifndef</font> <font color=purple>TASK_H</font> -<font color=blue>#define</font> <font color=purple>TASK_H</font> - -<font color=blue>#include</font> "<A HREF="../../../ace/Task.h">ace/Task.h</A>" - -<font color=blue>#if !defined</font> (<font color=purple>ACE_LACKS_PRAGMA_ONCE</font>) -<font color=blue># pragma</font> <font color=purple>once</font> -<font color=blue>#endif</font> <font color=red>/* ACE_LACKS_PRAGMA_ONCE */</font> - -<font color=red>/* Like the thread-pool server tutorial, we'll derive from ACE_Task<>. - Our goal here is to show off the ACE_Message_Queue and the best way - to do that is to use one to pass data between threads. The easiest - way to create threads is with ACE_Task<> */</font> -class Task : public ACE_Task <ACE_MT_SYNCH> -{ -public: - - typedef ACE_Task <ACE_MT_SYNCH> inherited; - - <font color=red>/* The constructor/destructor are simple but take care of some - necessary housekeeping. */</font> - Task (size_t n_threads); - ~Task (void); - - <font color=red>/* open() will kick off our thread pool for us. */</font> - int open (void * = 0); - - <font color=red>/* Our worker method */</font> - int svc (void); - - <font color=red>/* All we'll do here is print a message to the user. */</font> - int close (u_long flags = 0); - -protected: - <font color=red>/* Just to be clever, I'll use an ACE_Barrier to cause the threads - to sync in svc() before doing any real work. */</font> - ACE_Barrier barrier_; - - size_t n_threads_; - <font color=red>// Number of threads in the pool.</font> -}; - -<font color=blue>#endif</font> <font color=red>/* TASK_H */</font> -</PRE> -<HR WIDTH="100%"> -<P> -The only thing here that we didn't see in the thread-pool server is the -ACE_Barrier. The application logic really doesn't need it but it is a -handy way to synchronize the threads at the beginning of svc(). In testing -I found that if I didn't sync svc(), the first thread to get activated would -tend to get all of the messages before the other threads came alive. -<P><HR WIDTH="100%"> -<CENTER>[<A HREF="../online-tutorials.html">Tutorial Index</A>] [<A HREF="page05.html">Continue This Tutorial</A>]</CENTER> |