2002-02-17 21:56:45 +00:00
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<title>libsm : General Definitions</title>
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<a href="index.html">Back to libsm overview</a>
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<h1> libsm : General Definitions </h1>
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2002-06-11 21:12:04 +00:00
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<br> $Id: gen.html,v 1.5 2000/12/08 21:41:42 ca Exp $
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2002-02-17 21:56:45 +00:00
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</center>
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<h2> Introduction </h2>
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The header file <tt><sm/gen.h></tt>
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contains general definitions that are used by every other
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header file in <b>libsm</b>.
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<h2> Synopsis </h2>
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<pre>
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#include <sm/gen.h>
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#define NULL ((void*)0)
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typedef int bool;
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#define false 0
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#define true 1
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#define SM_MAX(a, b) ((a) > (b) ? (a) : (b))
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#define SM_MIN(a, b) ((a) < (b) ? (a) : (b))
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/*
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** The following types can be accessed and updated atomically.
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** This is relevant in the context of signal handlers and threads.
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*/
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typedef <i>some signed integral type</i> SM_ATOMIC_INT_T;
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typedef <i>some unsigned integral type</i> SM_ATOMIC_UINT_T;
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</pre>
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</body>
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</html>
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