<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Chapter 17. Signal Tapset</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="prev" href="API-kprocess-start.html" title="probe::kprocess.start"><link rel="next" href="API-get-sa-flags.html" title="function::get_sa_flags"></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">Chapter 17. Signal Tapset</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-kprocess-start.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="API-get-sa-flags.html">Next</a></td></tr></table><hr></div><div class="chapter" title="Chapter 17. Signal Tapset"><div class="titlepage"><div><div><h2 class="title"><a name="signal.stp"></a>Chapter 17. Signal Tapset</h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="refentrytitle"><a href="API-get-sa-flags.html"><span>function::get_sa_flags</span></a></span><span class="refpurpose"> —
Returns the numeric value of sa_flags
</span></dt><dt><span class="refentrytitle"><a href="API-get-sa-handler.html"><span>function::get_sa_handler</span></a></span><span class="refpurpose"> —
Returns the numeric value of sa_handler
</span></dt><dt><span class="refentrytitle"><a href="API-is-sig-blocked.html"><span>function::is_sig_blocked</span></a></span><span class="refpurpose"> —
Returns 1 if the signal is currently blocked, or 0 if it is not
</span></dt><dt><span class="refentrytitle"><a href="API-sa-flags-str.html"><span>function::sa_flags_str</span></a></span><span class="refpurpose"> —
Returns the string representation of sa_flags
</span></dt><dt><span class="refentrytitle"><a href="API-sa-handler-str.html"><span>function::sa_handler_str</span></a></span><span class="refpurpose"> —
Returns the string representation of an sa_handler
</span></dt><dt><span class="refentrytitle"><a href="API-signal-str.html"><span>function::signal_str</span></a></span><span class="refpurpose"> —
Returns the string representation of a signal number
</span></dt><dt><span class="refentrytitle"><a href="API-sigset-mask-str.html"><span>function::sigset_mask_str</span></a></span><span class="refpurpose"> —
Returns the string representation of a sigset
</span></dt><dt><span class="refentrytitle"><a href="API-signal-check-ignored.html"><span>probe::signal.check_ignored</span></a></span><span class="refpurpose"> —
Checking to see signal is ignored
</span></dt><dt><span class="refentrytitle"><a href="API-signal-check-ignored-return.html"><span>probe::signal.check_ignored.return</span></a></span><span class="refpurpose"> —
Check to see signal is ignored completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-checkperm.html"><span>probe::signal.checkperm</span></a></span><span class="refpurpose"> —
Check being performed on a sent signal
</span></dt><dt><span class="refentrytitle"><a href="API-signal-checkperm-return.html"><span>probe::signal.checkperm.return</span></a></span><span class="refpurpose"> —
Check performed on a sent signal completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-do-action.html"><span>probe::signal.do_action</span></a></span><span class="refpurpose"> —
Examining or changing a signal action
</span></dt><dt><span class="refentrytitle"><a href="API-signal-do-action-return.html"><span>probe::signal.do_action.return</span></a></span><span class="refpurpose"> —
Examining or changing a signal action completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-flush.html"><span>probe::signal.flush</span></a></span><span class="refpurpose"> —
Flushing all pending signals for a task
</span></dt><dt><span class="refentrytitle"><a href="API-signal-force-segv.html"><span>probe::signal.force_segv</span></a></span><span class="refpurpose"> —
Forcing send of SIGSEGV
</span></dt><dt><span class="refentrytitle"><a href="API-signal-force-segv-return.html"><span>probe::signal.force_segv.return</span></a></span><span class="refpurpose"> —
Forcing send of SIGSEGV complete
</span></dt><dt><span class="refentrytitle"><a href="API-signal-handle.html"><span>probe::signal.handle</span></a></span><span class="refpurpose"> —
Signal handler being invoked
</span></dt><dt><span class="refentrytitle"><a href="API-signal-handle-return.html"><span>probe::signal.handle.return</span></a></span><span class="refpurpose"> —
Signal handler invocation completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-pending.html"><span>probe::signal.pending</span></a></span><span class="refpurpose"> —
Examining pending signal
</span></dt><dt><span class="refentrytitle"><a href="API-signal-pending-return.html"><span>probe::signal.pending.return</span></a></span><span class="refpurpose"> —
Examination of pending signal completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-procmask.html"><span>probe::signal.procmask</span></a></span><span class="refpurpose"> —
Examining or changing blocked signals
</span></dt><dt><span class="refentrytitle"><a href="API-signal-procmask-return.html"><span>probe::signal.procmask.return</span></a></span><span class="refpurpose"> —
Examining or changing blocked signals completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-send.html"><span>probe::signal.send</span></a></span><span class="refpurpose"> —
Signal being sent to a process
</span></dt><dt><span class="refentrytitle"><a href="API-signal-send-return.html"><span>probe::signal.send.return</span></a></span><span class="refpurpose"> —
Signal being sent to a process completed (deprecated in SystemTap 2.1)
</span></dt><dt><span class="refentrytitle"><a href="API-signal-send-sig-queue.html"><span>probe::signal.send_sig_queue</span></a></span><span class="refpurpose"> —
Queuing a signal to a process
</span></dt><dt><span class="refentrytitle"><a href="API-signal-send-sig-queue-return.html"><span>probe::signal.send_sig_queue.return</span></a></span><span class="refpurpose"> —
Queuing a signal to a process completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-sys-tgkill.html"><span>probe::signal.sys_tgkill</span></a></span><span class="refpurpose"> —
Sending kill signal to a thread group
</span></dt><dt><span class="refentrytitle"><a href="API-signal-sys-tgkill-return.html"><span>probe::signal.sys_tgkill.return</span></a></span><span class="refpurpose"> —
Sending kill signal to a thread group completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-sys-tkill.html"><span>probe::signal.sys_tkill</span></a></span><span class="refpurpose"> —
Sending a kill signal to a thread
</span></dt><dt><span class="refentrytitle"><a href="API-signal-syskill.html"><span>probe::signal.syskill</span></a></span><span class="refpurpose"> —
Sending kill signal to a process
</span></dt><dt><span class="refentrytitle"><a href="API-signal-syskill-return.html"><span>probe::signal.syskill.return</span></a></span><span class="refpurpose"> —
Sending kill signal completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-systkill-return.html"><span>probe::signal.systkill.return</span></a></span><span class="refpurpose"> —
Sending kill signal to a thread completed
</span></dt><dt><span class="refentrytitle"><a href="API-signal-wakeup.html"><span>probe::signal.wakeup</span></a></span><span class="refpurpose"> —
Sleeping process being wakened for signal
</span></dt></dl></div><p>
This family of probe points is used to probe signal activities.
It contains the following probe points:
</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-kprocess-start.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="API-get-sa-flags.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>probe::kprocess.start</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>function::get_sa_flags</span></td></tr></table></div></body></html>
