1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>free_mutex</title> 7 <link rel="stylesheet" href="apiReference.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB C++ Standard Template Library API Reference" /> 10 <link rel="up" href="dbstl_global_functions.html" title="Chapter��1.�� Dbstl Global Public Functions" /> 11 <link rel="prev" href="stldbstl_global_functionsunlock_mutex.html" title="unlock_mutex" /> 12 <link rel="next" href="stldbstl_global_functionsdbstl_startup.html" title="dbstl_startup" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center"> 19free_mutex 20</th> 21 </tr> 22 <tr> 23 <td width="20%" align="left"><a accesskey="p" href="stldbstl_global_functionsunlock_mutex.html">Prev</a>��</td> 24 <th width="60%" align="center">Chapter��1.�� 25 Dbstl Global Public Functions </th> 26 <td width="20%" align="right">��<a accesskey="n" href="stldbstl_global_functionsdbstl_startup.html">Next</a></td> 27 </tr> 28 </table> 29 <hr /> 30 </div> 31 <div class="sect1" lang="en" xml:lang="en"> 32 <div class="titlepage"> 33 <div> 34 <div> 35 <h2 class="title" style="clear: both"><a id="stldbstl_global_functionsfree_mutex"></a> 36free_mutex 37</h2> 38 </div> 39 </div> 40 </div> 41 <div class="sect2" lang="en" xml:lang="en"> 42 <div class="titlepage"> 43 <div> 44 <div> 45 <h3 class="title"><a id="func_details"></a> 46Function Details</h3> 47 </div> 48 </div> 49 </div> 50 <pre class="programlisting"> 51��void��free_mutex(db_mutex_t��mtx) 52 </pre> 53 <div class="sect3" lang="en" xml:lang="en"> 54 <div class="titlepage"></div> 55 <p>Free a mutex, and return immediately. </p> 56 <p></p> 57 </div> 58 <div class="sect3" lang="en" xml:lang="en"> 59 <div class="titlepage"> 60 <div> 61 <div> 62 <h4 class="title"><a id="id1543488"></a> 63Parameters</h4> 64 </div> 65 </div> 66 </div> 67 <div class="sect4" lang="en" xml:lang="en"> 68 <div class="titlepage"> 69 <div> 70 <div> 71 <h5 class="title"><a id="id1543518"></a> 72 mtx </h5> 73 </div> 74 </div> 75 </div> 76 <p>The mutex handle to free. </p> 77 </div> 78 </div> 79 <div class="sect3" lang="en" xml:lang="en"> 80 <div class="titlepage"> 81 <div> 82 <div> 83 <h4 class="title"><a id="id1543436"></a> 84Return Value</h4> 85 </div> 86 </div> 87 </div> 88 <p>0 if succeed, non-zero otherwise, call db_strerror to get message. </p> 89 </div> 90 </div> 91 <div class="sect2" lang="en" xml:lang="en"> 92 <div class="titlepage"> 93 <div> 94 <div> 95 <h3 class="title"><a id="id1543517"></a> 96Group: Mutex API based on Berkeley DB mutex.</h3> 97 </div> 98 </div> 99 </div> 100 <p>These functions are in-process mutex support which uses Berkeley DB mutex mechanisms.</p> 101 <p>You can call these functions to do portable synchronization for your code. </p> 102 </div> 103 <div class="sect2" lang="en" xml:lang="en"> 104 <div class="titlepage"> 105 <div> 106 <div> 107 <h3 class="title"><a id="id1543514"></a> 108Class</h3> 109 </div> 110 </div> 111 </div> 112 <p> 113 <a class="link" href="dbstl_global_functions.html" title="Chapter��1.�� Dbstl Global Public Functions"> 114 dbstl_global_functions</a> 115 </p> 116 </div> 117 </div> 118 <div class="navfooter"> 119 <hr /> 120 <table width="100%" summary="Navigation footer"> 121 <tr> 122 <td width="40%" align="left"><a accesskey="p" href="stldbstl_global_functionsunlock_mutex.html">Prev</a>��</td> 123 <td width="20%" align="center"> 124 <a accesskey="u" href="dbstl_global_functions.html">Up</a> 125 </td> 126 <td width="40%" align="right">��<a accesskey="n" href="stldbstl_global_functionsdbstl_startup.html">Next</a></td> 127 </tr> 128 <tr> 129 <td width="40%" align="left" valign="top"> 130unlock_mutex 131��</td> 132 <td width="20%" align="center"> 133 <a accesskey="h" href="index.html">Home</a> 134 </td> 135 <td width="40%" align="right" valign="top">�� 136dbstl_startup 137</td> 138 </tr> 139 </table> 140 </div> 141 </body> 142</html> 143