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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 020</TITLE>
-</HEAD>
-<BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#000FFF" VLINK="#FF0F0F">
-
-<CENTER><B><FONT SIZE=+2>ACE Tutorial 020</FONT></B></CENTER>
-
-<CENTER><B><FONT SIZE=+2>Sharing your Memories with persistence</FONT></B></CENTER>
-
-<P>
-<HR WIDTH="100%">
-I wanted to show placement new again & prove that you can use it with
-      a memory mapped file just as easily as with a shared memory
-      segment.
-    <p>
-Imagine if you had an object that contained an image & then you mapped 
-      that to a file...  Instead of a bunch of jpg files laying
-      around, you would actually have objects instead.  Save the
-      image?  No problem, it's already there!
-<hr>
-<HR width=50%><P><center>server2.cpp</center><HR width=50%>
-<PRE>
-
-<font color=red>// $Id$</font>
-
-<font color=blue>#include</font> "<font color=green>mmap.h</font>"
-
-int
-main (int, char *[])
-{
-    ACE_Shared_Memory_MM shm_server (SHM_KEY, sizeof(SharedData) );
-
-    char *shm = (char *) shm_server.malloc ();
-
-    ACE_DEBUG ((LM_INFO, "<font color=green>(%P|%t) Memory Mapped file is at 0x%x\n</font>",
-                shm ));
-
-    SharedData * sd = new(shm) SharedData;
-
-    sd->set();
-    sd->available(0);
-        
-    while ( ! sd->available() )
-        <font color=#008888>ACE_OS::sleep</font> (1);
-
-    sd->show();
-    
-    if (shm_server.remove () &lt; 0)
-        ACE_ERROR ((LM_ERROR, "<font color=green>%p\n</font>", "<font color=green>remove</font>"));
-
-    return 0;
-}
-
-</PRE>
-<HR width=50%><P><center>client2.cpp</center><HR width=50%>
-<PRE>
-
-<font color=red>// $Id$</font>
-
-<font color=blue>#include</font> "<font color=green>mmap.h</font>"
-
-int main (int, char *[])
-{
-    ACE_Shared_Memory_MM shm_client (SHM_KEY, sizeof(SharedData));
-    
-    char *shm = (char *) shm_client.malloc ();
-
-    ACE_DEBUG ((LM_INFO, "<font color=green>(%P|%t) Memory Mapped file is at 0x%x\n</font>",
-                shm ));
-
-    SharedData * sd = new(shm) SharedData(0);
-
-    sd->show();
-    sd->set();
-    sd->available(1);
-
-    shm_client.close();
-        
-    return 0;
-}
-
-</PRE>
-<P><HR WIDTH="100%">
-<CENTER>[<A HREF="../online-tutorials.html">Tutorial Index</A>] [<A HREF="page05.html">Continue This Tutorial</A>]</CENTER>