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<h1>File Lock Types<br>
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[<a class="el" href="group__apr__file__io.html">File I/O Handling Functions</a>]</small>
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<tr><td colspan=2><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__file__lock__types.html#ga0">APR_FLOCK_SHARED</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__file__lock__types.html#ga1">APR_FLOCK_EXCLUSIVE</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__file__lock__types.html#ga2">APR_FLOCK_TYPEMASK</a> 0x000F /**< mask to extract lock type */</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define </td><td class="memItemRight" valign=bottom><a class="el" href="group__apr__file__lock__types.html#ga3">APR_FLOCK_NONBLOCK</a></td></tr>
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<hr><h2>Define Documentation</h2>
<a class="anchor" name="ga1" doxytag="apr_file_io.h::APR_FLOCK_EXCLUSIVE" ></a><p>
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<td class="md" nowrap valign="top"> #define APR_FLOCK_EXCLUSIVE </td>
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<b>Value:</b><pre class="fragment"><div>2 <span class="comment">/**< Exclusive lock. Only one process</span>
<span class="comment"> may hold an exclusive lock at any</span>
<span class="comment"> given time. This is analogous to</span>
<span class="comment"> a "write lock". */</span>
</div></pre>Exclusive lock. Only one process may hold an exclusive lock at any given time. This is analogous to a "write lock". </td>
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<a class="anchor" name="ga3" doxytag="apr_file_io.h::APR_FLOCK_NONBLOCK" ></a><p>
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<td class="md" nowrap valign="top"> #define APR_FLOCK_NONBLOCK </td>
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<b>Value:</b><pre class="fragment"><div>0x0010 <span class="comment">/**< do not block while acquiring the</span>
<span class="comment"> file lock */</span>
</div></pre>do not block while acquiring the file lock </td>
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<a class="anchor" name="ga0" doxytag="apr_file_io.h::APR_FLOCK_SHARED" ></a><p>
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<td class="md" nowrap valign="top"> #define APR_FLOCK_SHARED </td>
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<b>Value:</b><pre class="fragment"><div>1 <span class="comment">/**< Shared lock. More than one process</span>
<span class="comment"> or thread can hold a shared lock</span>
<span class="comment"> at any given time. Essentially,</span>
<span class="comment"> this is a "read lock", preventing</span>
<span class="comment"> writers from establishing an</span>
<span class="comment"> exclusive lock. */</span>
</div></pre>Shared lock. More than one process or thread can hold a shared lock at any given time. Essentially, this is a "read lock", preventing writers from establishing an exclusive lock. </td>
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<a class="anchor" name="ga2" doxytag="apr_file_io.h::APR_FLOCK_TYPEMASK" ></a><p>
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<td class="md" nowrap valign="top"> #define APR_FLOCK_TYPEMASK 0x000F /**< mask to extract lock type */ </td>
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mask to extract lock type </td>
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<hr size="1"><address style="align: right;"><small>Generated on Mon Feb 7 13:18:25 2005 for Apache Portable Runtime by
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