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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.msg-get-queue">
<refnamediv>
<refname>msg_get_queue</refname>
<refpurpose>Create or attach to a message queue</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>resource</type><methodname>msg_get_queue</methodname>
<methodparam><type>int</type><parameter>key</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>perms</parameter></methodparam>
</methodsynopsis>
<para>
<function>msg_get_queue</function> returns an id that can be used to
access the System V message queue with the given
<parameter>key</parameter>. The first call creates the message queue with
the optional <parameter>perms</parameter>.
A second call to <function>msg_get_queue</function> for the same
<parameter>key</parameter> will return a different message queue
identifier, but both identifiers access the same underlying message
queue.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>key</parameter></term>
<listitem>
<para>
Message queue numeric ID
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>perms</parameter></term>
<listitem>
<para>
Queue permissions. Default to 0666. If the message queue already
exists, the <parameter>perms</parameter> will be ignored.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a resource handle that can be used to access the System V message queue.
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>msg_remove_queue</function></member>
<member><function>msg_receive</function></member>
<member><function>msg_send</function></member>
<member><function>msg_stat_queue</function></member>
<member><function>msg_set_queue</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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