<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>DbEnv::mutex_stat_print()</title> <link rel="stylesheet" href="apiReference.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> <link rel="start" href="index.html" title="Berkeley DB C++ API Reference" /> <link rel="up" href="mutex.html" title="Chapter 10. Mutex Methods" /> <link rel="prev" href="mutexstat.html" title="DbEnv::mutex_stat()" /> <link rel="next" href="mutexunlock.html" title="DbEnv::mutex_unlock()" /> </head> <body> <div xmlns="" class="navheader"> <div class="libver"> <p>Library Version 11.2.5.3</p> </div> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">DbEnv::mutex_stat_print()</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="mutexstat.html">Prev</a> </td> <th width="60%" align="center">Chapter 10. Mutex Methods </th> <td width="20%" align="right"> <a accesskey="n" href="mutexunlock.html">Next</a></td> </tr> </table> <hr /> </div> <div class="sect1" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title" style="clear: both"><a id="mutexstat_print"></a>DbEnv::mutex_stat_print()</h2> </div> </div> </div> <pre class="programlisting">#include <db_cxx.h> int DbEnv::mutex_stat_print(u_int32_t flags);</pre> <p> The <code class="methodname">DbEnv::mutex_stat_print()</code> method displays the mutex subsystem statistical information, as described for the <code class="methodname">DbEnv::mutex_stat()</code> method. The information is printed to a specified output channel (see the <a class="xref" href="envset_msgfile.html" title="DbEnv::set_msgfile()">DbEnv::set_msgfile()</a> method for more information), or passed to an application callback function (see the <a class="xref" href="envset_msgcall.html" title="DbEnv::set_msgcall()">DbEnv::set_msgcall()</a> method for more information). </p> <p> The <code class="methodname">DbEnv::mutex_stat_print()</code> method may not be called before the <a class="xref" href="envopen.html" title="DbEnv::open()">DbEnv::open()</a> method is called. </p> <p> The <code class="methodname">DbEnv::mutex_stat_print()</code> <span> <span> method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success. </span> </span> </p> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp9276536"></a>Parameters</h3> </div> </div> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp9291272"></a>flags</h4> </div> </div> </div> <p> The <span class="bold"><strong>flags</strong></span> parameter must be set to 0 or by bitwise inclusively <span class="bold"><strong>OR</strong></span>'ing together one or more of the following values: </p> <div class="itemizedlist"> <ul type="disc"> <li> <p> <code class="literal">DB_STAT_ALL</code> </p> <p> Display all available information. </p> </li> <li> <p> <code class="literal">DB_STAT_CLEAR</code> </p> <p> Reset statistics after displaying their values. </p> </li> </ul> </div> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp9300616"></a>Class</h3> </div> </div> </div> <p> <a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a> </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp9288080"></a>See Also</h3> </div> </div> </div> <p> <a class="xref" href="mutex.html#mutexlist" title="Mutex Methods">Mutex Methods</a> </p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="mutexstat.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="mutex.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="mutexunlock.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">DbEnv::mutex_stat() </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> DbEnv::mutex_unlock()</td> </tr> </table> </div> </body> </html>