1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>ipcget_public</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-check-perms.html" title="ipc_check_perms"><link rel="next" href="API-ipc-rmid.html" title="ipc_rmid"></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">ipcget_public</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-ipc-check-perms.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-rmid.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-ipcget-public"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ipcget_public &#8212; 
2     get an ipc object or create a new one
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">ipcget_public </b>(</code></td><td>struct ipc_namespace * <var class="pdparam">ns</var>, </td></tr><tr><td>&#160;</td><td>struct ipc_ids * <var class="pdparam">ids</var>, </td></tr><tr><td>&#160;</td><td>const 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 name="idp1125017348"></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>ids</code></em></span></dt><dd><p>
6     ipc identifier set
7    </p></dd><dt><span class="term"><em class="parameter"><code>ops</code></em></span></dt><dd><p>
8     the actual creation routine to call
9    </p></dd><dt><span class="term"><em class="parameter"><code>params</code></em></span></dt><dd><p>
10     its parameters
11    </p></dd></dl></div></div><div class="refsect1"><a name="idp1125021988"></a><h2>Description</h2><p>
12   This routine is called by sys_msgget, <code class="function">sys_semget</code> and <code class="function">sys_shmget</code>
13   when the key is not IPC_PRIVATE.
14   It adds a new entry if the key is not found and does some permission
15   / security checkings if the key is found.
16   </p><p>
17
18   On success, the ipc id is returned.
19</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-ipc-check-perms.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-rmid.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">ipc_check_perms</span>&#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_rmid</span></td></tr></table></div></body></html>
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