Sophie: kernel-doc-3.11.10-100.fc18 noarch

kernel-doc-3.11.10-100.fc18.noarch.rpm

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>ipc_check_perms</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#idm139749898363920" title="IPC utilities" /><link rel="prev" href="API-ipcget-new.html" title="ipcget_new" /><link rel="next" href="API-ipcget-public.html" title="ipcget_public" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">ipc_check_perms</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-ipcget-new.html">Prev</a>&#160;</td><th width="60%" align="center">IPC utilities</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-ipcget-public.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API-ipc-check-perms"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ipc_check_perms &#8212; 
     check security and permissions for an IPC
 </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 <strong class="fsfunc">ipc_check_perms </strong>(</code></td><td>struct ipc_namespace * <var class="pdparam">ns</var>, </td></tr><tr><td>&#160;</td><td>struct kern_ipc_perm * <var class="pdparam">ipcp</var>, </td></tr><tr><td>&#160;</td><td>struct ipc_ops * <var class="pdparam">ops</var>, </td></tr><tr><td>&#160;</td><td>struct ipc_params * <var class="pdparam">params</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a id="idm139749898226592"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>ns</code></em></span></dt><dd><p>
     IPC namespace
    </p></dd><dt><span class="term"><em class="parameter"><code>ipcp</code></em></span></dt><dd><p>
     ipc permission set
    </p></dd><dt><span class="term"><em class="parameter"><code>ops</code></em></span></dt><dd><p>
     the actual security routine to call
    </p></dd><dt><span class="term"><em class="parameter"><code>params</code></em></span></dt><dd><p>
     its parameters
    </p></dd></dl></div></div><div class="refsect1"><a id="idm139749898217392"></a><h2>Description</h2><p>
   This routine is called by <code class="function">sys_msgget</code>, <code class="function">sys_semget</code> and <code class="function">sys_shmget</code>
   when the key is not IPC_PRIVATE and that key already exists in the
   ids IDR.
   </p><p>

   On success, the IPC id is returned.
   </p><p>

   It is called with ipc_ids.rwsem and ipcp-&gt;lock held.
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