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diff --git a/docs/tutorials/007/page09.html b/docs/tutorials/007/page09.html deleted file mode 100644 index a80bf7036ad..00000000000 --- a/docs/tutorials/007/page09.html +++ /dev/null @@ -1,79 +0,0 @@ -<!-- $Id$ --> -<HTML> -<HEAD> - <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> - <META NAME="GENERATOR" CONTENT="Mozilla/4.04 [en] (X11; I; Linux 2.0.32 i486) [Netscape]"> - <META NAME="Author" CONTENT="James CE Johnson"> - <META NAME="Description" CONTENT="A first step towards using ACE productively"> - <TITLE>ACE Tutorial 007</TITLE> -</HEAD> -<BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#000FFF" VLINK="#FF0F0F"> - -<CENTER><B><FONT SIZE=+2>ACE Tutorial 007</FONT></B></CENTER> - -<CENTER><B><FONT SIZE=+2>Creating a thread-pool server</FONT></B></CENTER> -<HR> - -<P>That's it for Tutorial 7. As with Tutorial 6, we really didn't -have to change much to introduce a new threading strategy. Most of -the work was in creating the Thread_Pool object itself. Everything -else was just minor housekeeping. - -<P>There is a fourth common thread strategy: thread-per-request. -It's not one of my favorites, so I wasn't planning to go into it. -If you want to contribute a tutorial on that topic though, I'll be glad -to include it here. - -<P>For reference, here's the file list again: -<UL> -<LI> -<A HREF="Makefile">Makefile</A></LI> - -<LI> -<A HREF="client_acceptor.h">client_acceptor.h</A></LI> - -<LI> -<A HREF="client_acceptor.cpp">client_acceptor.cpp</A></LI> - -<LI> -<A HREF="client_handler.cpp">client_handler.cpp</A></LI> - -<LI> -<A HREF="client_handler.h">client_handler.h</A></LI> - -<LI> -<A HREF="server.cpp">server.cpp</A></LI> - -<LI> -<A HREF="thread_pool.h">thread_pool.h</A></LI> - -<LI> -<A HREF="thread_pool.cpp">thread_pool.cpp</A></LI> - -</UL> -<P> -<HR WIDTH="100%"> -<P> -<center><h2>Danger, Warning!</h2></center> -Now that I've gone through all of this to create a thread pool server, -I have to point out that this isn't exactly the best or safest way to -do so. The biggest danger we face with this approach is the -possibility of an event handler existing in the thread pool's message -queue <i>after</i> it has been deleted. When the thread's svc() -method attempts to invoke <i>handle_input()</i> you will get a nasty -core dump. -<p> -The safest way to handle the situation is to use reference-counted -pointers everywhere a Client_Handler pointer would be used. That's -beyond the scope of the tutorial but I encourage you to give it a -try. If you want to contribute that back as an enhanced Tutorial, -I'll be glad to include it. -<p> -Another approach that should work quite well is to use the -ACE_TP_Reactor instead of just ACE_Reactor. This takes a little more -setup but results in a cleaner implementation. Again, I've not had -time to develop a Tutorial on the TP_Reactor but would welcome any -contributions. -<P><HR WIDTH="100%"> -<CENTER>[<A HREF="../online-tutorials.html">Tutorial Index</A>] </CENTER> - |