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<title>The Swoole\Process class</title>
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<h1 class="title">The Swoole\Process class</h1>
<div class="partintro"><p class="verinfo">(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)</p>
<div class="section" id="swoole-process.intro">
<h2 class="title">Introduction</h2>
<p class="para">
</p>
</div>
<div class="section" id="swoole-process.synopsis">
<h2 class="title">Class synopsis</h2>
<div class="classsynopsis">
<div class="ooclass"></div>
<div class="classsynopsisinfo">
<span class="ooclass">
<strong class="classname">Swoole\Process</strong>
</span>
{</div>
<div class="classsynopsisinfo classsynopsisinfo_comment">/* Constants */</div>
<div class="fieldsynopsis">
<span class="modifier">const</span>
<span class="type">integer</span>
<var class="fieldsynopsis_varname"><a href="class.swoole-process.html#swoole-process.constants.ipc-nowait"><var class="varname">IPC_NOWAIT</var></a></var>
<span class="initializer"> = 256</span>
;</div>
<div class="classsynopsisinfo classsynopsisinfo_comment">/* Methods */</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="modifier">static</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.alarm.html" class="methodname">alarm</a></span>
( <span class="methodparam"><span class="type">integer</span> <code class="parameter">$interval_usec</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.close.html" class="methodname">close</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="modifier">static</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.daemon.html" class="methodname">daemon</a></span>
([ <span class="methodparam"><span class="type">boolean</span> <code class="parameter">$nochdir</code></span>
[, <span class="methodparam"><span class="type">boolean</span> <code class="parameter">$noclose</code></span>
]] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.destruct.html" class="methodname">__destruct</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">ReturnType</span> <span class="methodname"><a href="swoole-process.exec.html" class="methodname">exec</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$exec_file</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$args</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.exit.html" class="methodname">exit</a></span>
([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$exit_code</code></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.freequeue.html" class="methodname">freeQueue</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="modifier">static</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.kill.html" class="methodname">kill</a></span>
( <span class="methodparam"><span class="type">integer</span> <code class="parameter">$pid</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$signal_no</code></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.name.html" class="methodname">name</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$process_name</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="swoole-process.pop.html" class="methodname">pop</a></span>
([ <span class="methodparam"><span class="type">integer</span> <code class="parameter">$maxsize</code></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">boolean</span> <span class="methodname"><a href="swoole-process.push.html" class="methodname">push</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$data</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">string</span> <span class="methodname"><a href="swoole-process.read.html" class="methodname">read</a></span>
([ <span class="methodparam"><span class="type">integer</span> <code class="parameter">$maxsize</code></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="modifier">static</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.signal.html" class="methodname">signal</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$signal_no</code></span>
, <span class="methodparam"><span class="type"><a href="language.types.callable.html" class="type callable">callable</a></span> <code class="parameter">$callback</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="swoole-process.start.html" class="methodname">start</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">array</span> <span class="methodname"><a href="swoole-process.statqueue.html" class="methodname">statQueue</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">boolean</span> <span class="methodname"><a href="swoole-process.usequeue.html" class="methodname">useQueue</a></span>
( <span class="methodparam"><span class="type">integer</span> <code class="parameter">$key</code></span>
[, <span class="methodparam"><span class="type">integer</span> <code class="parameter">$mode</code></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="modifier">static</span> <span class="type">array</span> <span class="methodname"><a href="swoole-process.wait.html" class="methodname">wait</a></span>
([ <span class="methodparam"><span class="type">boolean</span> <code class="parameter">$blocking</code></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">integer</span> <span class="methodname"><a href="swoole-process.write.html" class="methodname">write</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$data</code></span>
)</div>
}</div>
</div>
<div class="section" id="swoole-process.constants">
<h2 class="title">Predefined Constants</h2>
<dl>
<dt id="swoole-process.constants.ipc-nowait"><strong><code>Swoole\Process::IPC_NOWAIT</code></strong></dt>
<dd>
<p class="para"/>
</dd>
</dl>
</div>
</div>
<h2>Table of Contents</h2><ul class="chunklist chunklist_reference"><li><a href="swoole-process.alarm.html">Swoole\Process::alarm</a> — High precision timer which triggers signal with fixed interval.</li><li><a href="swoole-process.close.html">Swoole\Process::close</a> — Close the pipe to the child process.</li><li><a href="swoole-process.construct.html">Swoole\Process::__construct</a> — Construct a process.</li><li><a href="swoole-process.daemon.html">Swoole\Process::daemon</a> — Change the process to be a daemon process.</li><li><a href="swoole-process.destruct.html">Swoole\Process::__destruct</a> — Destory the process.</li><li><a href="swoole-process.exec.html">Swoole\Process::exec</a> — Execute system commands.</li><li><a href="swoole-process.exit.html">Swoole\Process::exit</a> — Stop the child processes.</li><li><a href="swoole-process.freequeue.html">Swoole\Process::freeQueue</a> — Destory the message queue created by swoole_process::useQueue.</li><li><a href="swoole-process.kill.html">Swoole\Process::kill</a> — Send signal to the child process.</li><li><a href="swoole-process.name.html">Swoole\Process::name</a> — Set name of the process.</li><li><a href="swoole-process.pop.html">Swoole\Process::pop</a> — Read and pop data from the message queue.</li><li><a href="swoole-process.push.html">Swoole\Process::push</a> — Write and push data into the message queue.</li><li><a href="swoole-process.read.html">Swoole\Process::read</a> — Read data sending to the process.</li><li><a href="swoole-process.signal.html">Swoole\Process::signal</a> — Send signal to the child processes.</li><li><a href="swoole-process.start.html">Swoole\Process::start</a> — Start the process.</li><li><a href="swoole-process.statqueue.html">Swoole\Process::statQueue</a> — Get the stats of the message queue used as the communication method between processes.</li><li><a href="swoole-process.usequeue.html">Swoole\Process::useQueue</a> — Create a message queue as the communication method between the parent process and child processes.</li><li><a href="swoole-process.wait.html">Swoole\Process::wait</a> — Wait for the events of child processes.</li><li><a href="swoole-process.write.html">Swoole\Process::write</a> — Write data into the pipe and communicate with the parent process or child processes.</li></ul>
</div>
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