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<h3 class="section">24.8 Waiting for a Signal</h3>

<p><a name="index-waiting-for-a-signal-2979"></a><a name="index-g_t_0040code_007bpause_007d-function-2980"></a>
If your program is driven by external events, or uses signals for
synchronization, then when it has nothing to do it should probably wait
until a signal arrives.

<ul class="menu">
<li><a accesskey="1" href="Using-Pause.html#Using-Pause">Using Pause</a>:                  The simple way, using <code>pause</code>. 
<li><a accesskey="2" href="Pause-Problems.html#Pause-Problems">Pause Problems</a>:               Why the simple way is often not very good. 
<li><a accesskey="3" href="Sigsuspend.html#Sigsuspend">Sigsuspend</a>:                   Reliably waiting for a specific signal. 
</ul>

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