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<center><font size="2">The Open Group Base Specifications Issue 6<br>
IEEE Std 1003.1-2001<br>
Copyright &copy; 2001 The IEEE and The Open Group, All Rights reserved.</font></center>
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<hr size="2" noshade>
<h4><a name="tag_03_07_01"></a>NAME</h4>
<blockquote>abort - generate an abnormal process abort</blockquote>
<h4><a name="tag_03_07_02"></a>SYNOPSIS</h4>
<blockquote class="synopsis">
<p><code><tt>#include &lt;<a href="../basedefs/stdlib.h.html">stdlib.h</a>&gt;<br>
<br>
void abort(void);<br>
</tt></code></p>
</blockquote>
<h4><a name="tag_03_07_03"></a>DESCRIPTION</h4>
<blockquote>
<div class="box"><sup>[<a href="javascript:open_code('CX')">CX</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]"
border="0"> The functionality described on this reference page is aligned with the ISO&nbsp;C standard. Any conflict between the
requirements described here and the ISO&nbsp;C standard is unintentional. This volume of IEEE&nbsp;Std&nbsp;1003.1-2001 defers to
the ISO&nbsp;C standard. <img src="../images/opt-end.gif" alt="[Option End]" border="0"></div>
<p>The <i>abort</i>() function shall cause abnormal process termination to occur, unless the signal SIGABRT is being caught and the
signal handler does not return.</p>
<p><sup>[<a href="javascript:open_code('CX')">CX</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"> The
abnormal termination processing shall include at least the effect of <a href="../functions/fclose.html"><i>fclose</i>()</a> on all
open streams and the default actions defined for SIGABRT. <img src="../images/opt-end.gif" alt="[Option End]" border="0"></p>
<p><sup>[<a href="javascript:open_code('XSI')">XSI</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0">
On XSI-conformant systems, in addition the abnormal termination processing shall include the effect of <a href=
"../functions/fclose.html"><i>fclose</i>()</a> on message catalog descriptors. <img src="../images/opt-end.gif" alt="[Option End]"
border="0"></p>
<p>The SIGABRT signal shall be sent to the calling process as if by means of <a href="../functions/raise.html"><i>raise</i>()</a>
with the argument SIGABRT.</p>
<p><sup>[<a href="javascript:open_code('CX')">CX</a>]</sup> <img src="../images/opt-start.gif" alt="[Option Start]" border="0"> The
status made available to <a href="../functions/wait.html"><i>wait</i>()</a> or <a href=
"../functions/waitpid.html"><i>waitpid</i>()</a> by <i>abort</i>() shall be that of a process terminated by the SIGABRT signal.
<img src="../images/opt-end.gif" alt="[Option End]" border="0"> The <i>abort</i>() function shall override blocking or ignoring the
SIGABRT signal.</p>
</blockquote>
<h4><a name="tag_03_07_04"></a>RETURN VALUE</h4>
<blockquote>
<p>The <i>abort</i>() function shall not return.</p>
</blockquote>
<h4><a name="tag_03_07_05"></a>ERRORS</h4>
<blockquote>
<p>No errors are defined.</p>
</blockquote>
<hr>
<div class="box"><em>The following sections are informative.</em></div>
<h4><a name="tag_03_07_06"></a>EXAMPLES</h4>
<blockquote>
<p>None.</p>
</blockquote>
<h4><a name="tag_03_07_07"></a>APPLICATION USAGE</h4>
<blockquote>
<p>Catching the signal is intended to provide the application writer with a portable means to abort processing, free from possible
interference from any implementation-defined functions.</p>
</blockquote>
<h4><a name="tag_03_07_08"></a>RATIONALE</h4>
<blockquote>
<p>None.</p>
</blockquote>
<h4><a name="tag_03_07_09"></a>FUTURE DIRECTIONS</h4>
<blockquote>
<p>None.</p>
</blockquote>
<h4><a name="tag_03_07_10"></a>SEE ALSO</h4>
<blockquote>
<p><a href="exit.html"><i>exit</i>()</a> , <a href="kill.html"><i>kill</i>()</a> , <a href="raise.html"><i>raise</i>()</a> , <a
href="signal.html"><i>signal</i>()</a> , <a href="wait.html"><i>wait</i>()</a> , <a href="waitpid.html"><i>waitpid</i>()</a> , the
Base Definitions volume of IEEE&nbsp;Std&nbsp;1003.1-2001, <a href="../basedefs/stdlib.h.html"><i>&lt;stdlib.h&gt;</i></a></p>
</blockquote>
<h4><a name="tag_03_07_11"></a>CHANGE HISTORY</h4>
<blockquote>
<p>First released in Issue 1. Derived from Issue 1 of the SVID.</p>
</blockquote>
<h4><a name="tag_03_07_12"></a>Issue 6</h4>
<blockquote>
<p>Extensions beyond the ISO&nbsp;C standard are marked.</p>
</blockquote>
<div class="box"><em>End of informative text.</em></div>
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