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<TITLE>C API Reference -- Ns_ReadLockRWLock</TITLE>
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<a name="427589">
</a><h3>Ns_ReadLockRWLock</h3>
<a name="427590">
</a><h4>Overview</h4>
Acquire a read lock
<a name="427591">
</a><a name="427592">
</a><h4>Syntax</h4>
<pre> <a name="427593"></a>int Ns_ReadLockRWLock(
<a name="427594"></a>Ns_RWLock *lock
<a name="427595"></a>);
</pre><p><a name="427596">
</a><h4>Description</h4>
<p><a name="427968">
</a>Ns_ReadLockRWLock acquires a read lock. Any number of read locks can be pending. If there's a write lock active, the read lock acquisition blocks until the write lock is released.</p>
<p><a name="427598">
</a>For general information about read/write locks and an example showing the use of the read/write lock functions, see the Ns_InitializeRWLock function.</p>
<p><a name="775805">
</a>Ns_RWLockRdLock is the preferred function for acquiring a read lock.</p>
<a name="427599">
</a><h4>See Also</h4>
<p><a name="427600">
</a>Ns_InitializeRWLock</p>
<p><a name="427601">
</a>Ns_DestroyRWLock</p>
<p><a name="427602">
</a>Ns_ReadUnlockRWLock</p>
<p><a name="427603">
</a>Ns_WriteLockRWLock</p>
<p><a name="427604">
</a>Ns_WriteUnlockRWLock</p>
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