1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>do_jobctl_trap</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="ch01s07.html" title="Internal Functions"><link rel="prev" href="API-do-signal-stop.html" title="do_signal_stop"><link rel="next" href="API-signal-delivered.html" title="signal_delivered"></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">do_jobctl_trap</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-do-signal-stop.html">Prev</a>&#160;</td><th width="60%" align="center">Internal Functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-signal-delivered.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-do-jobctl-trap"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>do_jobctl_trap &#8212; 
2     take care of ptrace jobctl traps
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">void <b class="fsfunc">do_jobctl_trap </b>(</code></td><td> <var class="pdparam">void</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1107932100"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>void</code></em></span></dt><dd><p>
4     no arguments
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1107933708"></a><h2>Description</h2><p>
6   </p><p>
7
8   When PT_SEIZED, it's used for both group stop and explicit
9   SEIZE/INTERRUPT traps.  Both generate PTRACE_EVENT_STOP trap with
10   accompanying siginfo.  If stopped, lower eight bits of exit_code contain
11   the stop signal; otherwise, <code class="constant">SIGTRAP</code>.
12   </p><p>
13
14   When !PT_SEIZED, it's used only for group stop trap with stop signal
15   number as exit_code and no siginfo.
16</p></div><div class="refsect1"><a name="idp1107935148"></a><h2>CONTEXT</h2><p>
17   Must be called with <em class="parameter"><code>current</code></em>-&gt;sighand-&gt;siglock held, which may be
18   released and re-acquired before returning with intervening sleep.
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-do-signal-stop.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="ch01s07.html">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-signal-delivered.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">do_signal_stop</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">signal_delivered</span></td></tr></table></div></body></html>
20