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<title>s6-frontend: the s6-frontend-helper-kill program</title>
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<a href="index.html">s6-frontend</a><br />
<a href="//skarnet.org/software/">Software</a><br />
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<h1> The <tt>s6-frontend-helper-kill</tt> internal program </h1>
<p>
<tt>s6-frontend-helper-kill</tt> is a small utility to send numerical
signals to a given list of pids. It is not meant to be called directly,
although nothing bad will happen if you do. It is used in command lines crafted by
<a href="s6_process_kill.html#kill">s6 process kill</a> instead of the POSIX
<a href="https://pubs.opengroup.org/onlinepubs/9799919799/utilities/kill.html">kill</a>
program, because the latter does not support sending arbitrary numerical signals.
</p>
<h2 id="interface"> Interface </h2>
<pre>
s6-frontend-helper-kill <em>sig</em> <em>pids...</em>
</pre>
<ul>
<li> s6-frontend-helper-kill reads an integer, <em>sig</em>, and a list
of one or more integers, <em>pids...</em>, on its command line. </li>
<li> It sends signal number <em>sig</em> to all the processes listed as <em>pids...</em>. </li>
</ul>
<h2 id="exitcodes"> Exit codes </h2>
<dl>
<dt> 0 </dt> <dd> Success </dd>
<dt> 100 </dt> <dd> Wrong usage </dd>
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