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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>PReadWaitAndSignal class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> </center><hr><h1>PReadWaitAndSignal Class Reference</h1><code>#include <<a class="el" href="syncthrd_8h-source.html">syncthrd.h</a>></code><p><a href="classPReadWaitAndSignal-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0><tr><td></td></tr><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="classPReadWaitAndSignal.html#a0">PReadWaitAndSignal</a> (const <a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a> &rw, BOOL start=TRUE)</td></tr><tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classPReadWaitAndSignal.html#a1">~PReadWaitAndSignal</a> ()</td></tr><tr><td colspan=2><br><h2>Protected Attributes</h2></td></tr><tr><td nowrap align=right valign=top><a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a> & </td><td valign=bottom><a class="el" href="classPReadWaitAndSignal.html#n0">mutex</a></td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>This class starts a read operation for the <a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a> on construction and automatically ends the read operation on destruction.<p>This is very usefull for constructs such as: \begin{verbatim} void func() { PReadWaitAndSignal mutexWait(myMutex); if (condition) return; do_something(); if (other_condition) return; do_something_else(); } \end{verbatim} <p><hr><h2>Constructor & Destructor Documentation</h2><a name="a0" doxytag="PReadWaitAndSignal::PReadWaitAndSignal"></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"> PReadWaitAndSignal::PReadWaitAndSignal </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const <a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a> & </td> <td class="mdname" nowrap> <em>rw</em>, </td> </tr> <tr> <td></td> <td></td> <td class="md" nowrap>BOOL </td> <td class="mdname" nowrap> <em>start</em> = TRUE</td> </tr> <tr> <td></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Create the PReadWaitAndSignal wait instance. This will wait on the specified <a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a> using the StartRead()# function before returning. <dl compact><dt><b>Parameters: </b></dt><dd><table border=0 cellspacing=2 cellpadding=0><tr><td valign=top><em>start</em> </td><td><a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a> descendent to wait/signal. Start read operation on <a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a> before returning. </td></tr></table></dl> </td> </tr></table><a name="a1" doxytag="PReadWaitAndSignal::~PReadWaitAndSignal"></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"> PReadWaitAndSignal::~PReadWaitAndSignal </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top">) </td> <td class="md" nowrap></td> </tr> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>End read operation on the <a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a>. This will execute the EndRead() function on the <a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a> that was used in the construction of this instance. </td> </tr></table><hr><h2>Member Data Documentation</h2><a name="n0" doxytag="PReadWaitAndSignal::mutex"></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"> <a class="el" href="classPReadWriteMutex.html">PReadWriteMutex</a>& PReadWaitAndSignal::mutex<code> [protected]</code> </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p> </td> </tr></table><hr>The documentation for this class was generated from the following file:<ul><li><a class="el" href="syncthrd_8h-source.html">syncthrd.h</a></ul><hr><address style="align: right;"><small>Generated on Wed Sep 29 22:44:18 2004 for PWLib by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.18 </small></address></body></html>⌨️ 快捷键说明
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