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<title>mpm_winnt - Apache HTTP Server</title>
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<div id="preamble"><h1>Apache MPM winnt</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="../de/mod/mpm_winnt.html" hreflang="de" rel="alternate" title="Deutsch"> de </a> |
<a href="../en/mod/mpm_winnt.html" title="English"> en </a> |
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>This Multi-Processing Module is optimized for Windows
NT.</td></tr>
<tr><th><a href="module-dict.html#Status">Status:</a></th><td>MPM</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>mpm_winnt_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mpm_winnt.c</td></tr></table>
<h3>Summary</h3>
<p>This Multi-Processing Module (MPM) is the default for the
Windows NT operating systems. It uses a single control process
which launches a single child process which in turn creates
threads to handle requests</p>
</div>
<div id="quickview"><h3 class="directives">Directives</h3>
<ul id="toc">
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#coredumpdirectory">CoreDumpDirectory</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#listen">Listen</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#listenbacklog">ListenBacklog</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#maxmemfree">MaxMemFree</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#maxrequestsperchild">MaxRequestsPerChild</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#pidfile">PidFile</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#scoreboardfile">ScoreBoardFile</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#sendbuffersize">SendBufferSize</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#threadlimit">ThreadLimit</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#threadsperchild">ThreadsPerChild</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#threadstacksize">ThreadStackSize</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#win32disableacceptex">Win32DisableAcceptEx</a></li>
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<div class="directive-section"><h2><a name="Win32DisableAcceptEx" id="Win32DisableAcceptEx">Win32DisableAcceptEx</a> <a name="win32disableacceptex" id="win32disableacceptex">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use accept() rather than AcceptEx() to accept network connections</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Win32DisableAcceptEx</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AcceptEx() is enabled by default. Use this directive to disable use of
AcceptEx()</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>MPM</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mpm_winnt</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in Version 2.0.49 and later</td></tr>
</table>
<p><code>AcceptEx()</code> is a Microsoft WinSock v2 API that provides
some performance improvements over the use of the BSD style
<code>accept()</code> API in certain circumstances. Some popular Windows
products, typically virus scanning or virtual private network
packages, have bugs that interfere with the proper operation of
<code>AcceptEx()</code>. If you encounter an error condition like:</p>
<div class="example"><p><code>
[error] (730038)An operation was attempted on something that is
not a socket.: winnt_accept: AcceptEx failed. Attempting to recover.
</code></p></div>
<p>you should use this directive to disable the use of
<code>AcceptEx()</code>.</p>
</div>
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<p class="apache">Copyright 1995-2005 The Apache Software Foundation or its licensors, as applicable.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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