1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>ipcperms</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="API-ipc-rcu-alloc.html" title="ipc_rcu_alloc"><link rel="next" href="API-kernel-to-ipc64-perm.html" title="kernel_to_ipc64_perm"></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">ipcperms</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-ipc-rcu-alloc.html">Prev</a>&#160;</td><th width="60%" align="center">IPC utilities</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-kernel-to-ipc64-perm.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-ipcperms"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ipcperms &#8212; 
2     check ipc permissions
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">ipcperms </b>(</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>short <var class="pdparam">flag</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1125060708"></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>
4     ipc namespace
5    </p></dd><dt><span class="term"><em class="parameter"><code>ipcp</code></em></span></dt><dd><p>
6     ipc permission set
7    </p></dd><dt><span class="term"><em class="parameter"><code>flag</code></em></span></dt><dd><p>
8     desired permission set
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1125064348"></a><h2>Description</h2><p>
10   Check user, group, other permissions for access
11   to ipc resources. return 0 if allowed
12   </p><p>
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14   <em class="parameter"><code>flag</code></em> will most probably be 0 or S_...UGO from &lt;linux/stat.h&gt;
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