function.msg-stat-queue.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Returns information from the message queue data structure</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.msg-set-queue.html">msg_set_queue</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.sem-acquire.html">sem_acquire</a></div> <div class="up"><a href="ref.sem.html">Semaphore Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.msg-stat-queue" class="refentry"> <div class="refnamediv"> <h1 class="refname">msg_stat_queue</h1> <p class="verinfo">(PHP 4 >= 4.3.0, PHP 5)</p><p class="refpurpose"><span class="refname">msg_stat_queue</span> — <span class="dc-title">Returns information from the message queue data structure</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">array</span> <span class="methodname"><b><b>msg_stat_queue</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$queue</tt></span> )</div> <p class="para rdfs-comment"> <b>msg_stat_queue()</b> returns the message queue meta data for the message queue specified by the <i><tt class="parameter">queue</tt></i>. This is useful, for example, to determine which process sent the message that was just received. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">queue</tt></i></span> <dd> <p class="para"> Message queue resource handle </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> The return value is an array whose keys and values have the following meanings: <table border="5"> <caption><b>Array structure for msg_stat_queue</b></caption> <colgroup> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_perm.uid</i></td> <td colspan="1" rowspan="1" align="left"> The uid of the owner of the queue. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_perm.gid</i></td> <td colspan="1" rowspan="1" align="left"> The gid of the owner of the queue. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_perm.mode</i></td> <td colspan="1" rowspan="1" align="left"> The file access mode of the queue. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_stime</i></td> <td colspan="1" rowspan="1" align="left"> The time that the last message was sent to the queue. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_rtime</i></td> <td colspan="1" rowspan="1" align="left"> The time that the last message was received from the queue. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_ctime</i></td> <td colspan="1" rowspan="1" align="left"> The time that the queue was last changed. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_qnum</i></td> <td colspan="1" rowspan="1" align="left"> The number of messages waiting to be read from the queue. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_qbytes</i></td> <td colspan="1" rowspan="1" align="left"> The number of bytes of space currently available in the queue to hold sent messages until they are received. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_lspid</i></td> <td colspan="1" rowspan="1" align="left"> The pid of the process that sent the last message to the queue. </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><i>msg_lrpid</i></td> <td colspan="1" rowspan="1" align="left"> The pid of the process that received the last message from the queue. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.msg-remove-queue.html" class="function" rel="rdfs-seeAlso">msg_remove_queue()</a></li> <li class="member"><a href="function.msg-receive.html" class="function" rel="rdfs-seeAlso">msg_receive()</a></li> <li class="member"><a href="function.msg-get-queue.html" class="function" rel="rdfs-seeAlso">msg_get_queue()</a></li> <li class="member"><a href="function.msg-set-queue.html" class="function" rel="rdfs-seeAlso">msg_set_queue()</a></li> </ul> </p> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.msg-set-queue.html">msg_set_queue</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.sem-acquire.html">sem_acquire</a></div> <div class="up"><a href="ref.sem.html">Semaphore Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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