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<hr><h1>ost::ThreadLock Class Reference</h1>The <a class="el" href="classost_1_1_thread_lock.html">ThreadLock</a> class impliments a thread rwlock for optimal reader performance on systems which have rwlock support, and reverts to a simple mutex for those that do not. Posix rwlock extension for protected access.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="thread_8h-source.html">thread.h</a>></code>
<p>
<a href="classost_1_1_thread_lock-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td colspan=2><br><h2>Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classost_1_1_thread_lock.html#a0">ThreadLock</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Create a process shared thread lock object.</em> <a href="#a0">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>virtual </td><td valign=bottom><a class="el" href="classost_1_1_thread_lock.html#a1">~ThreadLock</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Destroy a process shared thread lock object.</em> <a href="#a1">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classost_1_1_thread_lock.html#a2">ReadLock</a> (void)</td></tr>
<tr><td> </td><td><font size=-1><em>Aquire a read lock for the current object.</em> <a href="#a2">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classost_1_1_thread_lock.html#a3">WriteLock</a> (void)</td></tr>
<tr><td> </td><td><font size=-1><em>Aquire a write lock for the current object.</em> <a href="#a3">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>bool </td><td valign=bottom><a class="el" href="classost_1_1_thread_lock.html#a4">TryReadLock</a> (void)</td></tr>
<tr><td> </td><td><font size=-1><em>Attempt read lock for current object.</em> <a href="#a4">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>bool </td><td valign=bottom><a class="el" href="classost_1_1_thread_lock.html#a5">TryWriteLock</a> (void)</td></tr>
<tr><td> </td><td><font size=-1><em>Attempt write lock for current object.</em> <a href="#a5">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classost_1_1_thread_lock.html#a6">Unlock</a> (void)</td></tr>
<tr><td> </td><td><font size=-1><em>Release any held locks.</em> <a href="#a6">More...</a><em></em></font><br><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
The <a class="el" href="classost_1_1_thread_lock.html">ThreadLock</a> class impliments a thread rwlock for optimal reader performance on systems which have rwlock support, and reverts to a simple mutex for those that do not. Posix rwlock extension for protected access.
<p>
<dl compact><dt><b>
Author: </b><dd>
David Sugar <<a href="mailto:dyfet@ostel.com">dyfet@ostel.com</a>> </dl>
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a name="a0" doxytag="ost::ThreadLock::ThreadLock"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> ost::ThreadLock::ThreadLock </td>
<td class="md">( </td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Create a process shared thread lock object.
<p>
</td>
</tr>
</table>
<a name="a1" doxytag="ost::ThreadLock::~ThreadLock"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> virtual ost::ThreadLock::~ThreadLock </td>
<td class="md">( </td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"><code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Destroy a process shared thread lock object.
<p>
</td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a name="a2" doxytag="ost::ThreadLock::ReadLock"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void ost::ThreadLock::ReadLock </td>
<td class="md">( </td>
<td class="md">void</td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Aquire a read lock for the current object.
<p>
</td>
</tr>
</table>
<a name="a4" doxytag="ost::ThreadLock::TryReadLock"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> bool ost::ThreadLock::TryReadLock </td>
<td class="md">( </td>
<td class="md">void</td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Attempt read lock for current object.
<p>
<dl compact><dt><b>
Returns: </b><dd>
true on success. </dl> </td>
</tr>
</table>
<a name="a5" doxytag="ost::ThreadLock::TryWriteLock"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> bool ost::ThreadLock::TryWriteLock </td>
<td class="md">( </td>
<td class="md">void</td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Attempt write lock for current object.
<p>
<dl compact><dt><b>
Returns: </b><dd>
true on success. </dl> </td>
</tr>
</table>
<a name="a6" doxytag="ost::ThreadLock::Unlock"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void ost::ThreadLock::Unlock </td>
<td class="md">( </td>
<td class="md">void</td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Release any held locks.
<p>
</td>
</tr>
</table>
<a name="a3" doxytag="ost::ThreadLock::WriteLock"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void ost::ThreadLock::WriteLock </td>
<td class="md">( </td>
<td class="md">void</td>
<td class="mdname1"> </td>
<td class="md">) </td>
<td class="md"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Aquire a write lock for the current object.
<p>
</td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="thread_8h-source.html">thread.h</a></ul>
<hr><address><small>Generated at Fri Jan 4 18:51:51 2002 for CommonC++ by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.gif" alt="doxygen" align="middle" border=0
width=110 height=53></a>1.2.10 written by <a href="mailto:dimitri@stack.nl">Dimitri van Heesch</a>,
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