1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>ipc_init</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux Kernel API"><link rel="up" href="ipc.html#idp1124933524" title="IPC utilities"><link rel="prev" href="ipc.html" title="Chapter&#160;5.&#160;Kernel IPC facilities"><link rel="next" href="API-ipc-init-ids.html" title="ipc_init_ids"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">ipc_init</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ipc.html">Prev</a>&#160;</td><th width="60%" align="center">IPC utilities</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-ipc-init-ids.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-ipc-init"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ipc_init &#8212; 
2  initialise ipc subsystem
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">ipc_init </b>(</code></td><td> <var class="pdparam">void</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1124938516"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>void</code></em></span></dt><dd><p>
4     no arguments
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1124940124"></a><h2>Description</h2><p>
6   </p><p>
7
8   The various sysv ipc resources (semaphores, messages and shared
9   memory) are initialised.
10   </p><p>
11
12   A callback routine is registered into the memory hotplug notifier
13</p></div><div class="refsect1"><a name="idp1124941164"></a><h2>chain</h2><p>
14   since msgmni scales to lowmem this callback routine will be
15   called upon successful memory add / remove to recompute msmgni.
16</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ipc.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="ipc.html#idp1124933524">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-ipc-init-ids.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter&#160;5.&#160;Kernel IPC facilities&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">ipc_init_ids</span></td></tr></table></div></body></html>
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