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-<HTML>
-<HEAD>
-   <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
-   <META NAME="Author" CONTENT="James CE Johnson">
-   <TITLE>ACE Tutorial 012</TITLE>
-</HEAD>
-<BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#000FFF" VLINK="#FF0F0F">
-
-<CENTER><B><FONT SIZE=+2>ACE Tutorial 012</FONT></B></CENTER>
-
-<CENTER><B><FONT SIZE=+2>Passing classes through ACE_Message_Queue</FONT></B></CENTER>
-
-
-<P>
-<HR WIDTH="100%">
-<P>
-Ok, finally we get to main().  Sorry for the diversion but it was
-important to lay some of that groundwork before getting here.
-<P>
-<HR WIDTH="100%">
-<PRE>
-
-<font color=red>// $Id$</font>
-
-<font color=blue>#include</font> "<font color=green>block.h</font>"
-<font color=blue>#include</font> "<font color=green>work.h</font>"
-<font color=blue>#include</font> "<font color=green>task.h</font>"
-
-<font color=red>/*
-  I want to be sure that our Task object gets destructed correctly, so
-  I'll do most of the application 'work' in run_test() instead of
-  main()
-*/</font>
-int run_test (int iterations, int threads)
-{
-     <font color=red>/*
-       Create the Task which is our thread pool for doing work
-     */</font>
-  Task task;
-
-  if (task.start (threads) == -1)
-  {
-    ACE_ERROR_RETURN ((LM_ERROR, "<font color=green>%p\n</font>", "<font color=green>start</font>"), -1);
-  }
-
-   <font color=red>/*
-     Give the Task a chance to enter it's svc() method.  This isn't
-     really necessary and you probably wouldn't do it in a real
-     application but it makes the output more interesting.
-   */</font>
-  <font color=#008888>ACE_OS::sleep</font> (ACE_Time_Value (1));
-
-  for (int i = 0; i &lt; iterations; ++i)
-  {
-    <font color=red>/*
-       Construct a Work object that we'll put into the Queue.  Give it 
-       the iteration number so that it can identify itself in the output.
-     */</font>
-    Work * data = new Work(i);
-
-    <font color=red>/*
-       Create a block that contains our Work object but also has
-       enough room for a text message.
-     */</font>
-    Message_Block *message = new Message_Block (128, data);
-
-    <font color=red>/*
-       As before, put a text message into the block. 
-     */</font>
-    <font color=#008888>ACE_OS::sprintf</font> (message->wr_ptr (), "<font color=green>This is message %d.</font>", i);
-    message->wr_ptr (strlen (message->rd_ptr ())+1);
-
-     <font color=red>/*
-       Add the work to our thread pool
-     */</font>
-    if (task.putq (message) == -1)
-    {
-      break;
-    }
-  }
-
-   <font color=red>/*
-     Insert a HANGUP message block to tell the thread pool to shut
-     itself down.
-    */</font>
-  Message_Block *message = new Message_Block (0,0);
-  message->msg_type (<font color=#008888>ACE_Message_Block::MB_HANGUP</font>);
-  task.putq (message);
-
-   <font color=red>/*
-     Wait for the all threads of the Task to exit.  It is rather rude
-     to let the Task go out of scope without doing this first.
-   */</font>
-  task.wait ();
-
-  return (0);
-}
-
-int main (int argc, char *argv[])
-{
-     <font color=red>/*
-       Give the user a chance to override the default number of
-       iterations and pool threads.
-     */</font>
-  int iterations = argc > 1 ? atoi (argv[1]) : 4;
-  int threads = argc > 2 ? atoi (argv[2]) : 2;
-
-   <font color=red>/*
-     Use the function above to do the actual test.  As I said, this
-     lets us see the Task go out of scope and destruct before our
-     "<font color=green>exiting</font>" message below.
-   */</font>
-  (void) run_test (iterations, threads);
-
-  ACE_DEBUG ((LM_DEBUG, "<font color=green>(%P|%t) Application exiting\n</font>"));
-
-  return (0);
-}
-</PRE>
-<HR WIDTH="100%">
-<P>
-That certainly looks cleaner than the previous approach!  If you
-blink, you'll miss the part where the Work object goes into the Queue.
-<P>
-<P><HR WIDTH="100%">
-<CENTER>[<A HREF="../online-tutorials.html">Tutorial Index</A>] [<A HREF="page05.html">Continue This Tutorial</A>]</CENTER>