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<title>GNU libgomp: Implementing ATOMIC construct</title>
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<a name="Implementing-ATOMIC-construct"></a>
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Next: <a href="Implementing-FLUSH-construct.html#Implementing-FLUSH-construct" accesskey="n" rel="next">Implementing FLUSH construct</a>, Previous: <a href="Implementing-CRITICAL-construct.html#Implementing-CRITICAL-construct" accesskey="p" rel="prev">Implementing CRITICAL construct</a>, Up: <a href="The-libgomp-ABI.html#The-libgomp-ABI" accesskey="u" rel="up">The libgomp ABI</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Library-Index.html#Library-Index" title="Index" rel="index">Index</a>]</p>
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<h3 class="section">4.3 Implementing ATOMIC construct</h3>
<p>The target should implement the <code>__sync</code> builtins.
</p>
<p>Failing that we could add
</p>
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<pre class="smallexample"> void GOMP_atomic_enter (void)
void GOMP_atomic_exit (void)
</pre></div>
<p>which reuses the regular lock code, but with yet another lock
object private to the library.
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