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156 lines
5.9 KiB
HTML
156 lines
5.9 KiB
HTML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>DbEnv::mutex_stat_print()</title>
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<link rel="stylesheet" href="apiReference.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB C++ API Reference" />
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<link rel="up" href="mutex.html" title="Chapter 10. Mutex Methods" />
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<link rel="prev" href="mutexstat.html" title="DbEnv::mutex_stat()" />
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<link rel="next" href="mutexunlock.html" title="DbEnv::mutex_unlock()" />
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</head>
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 11.2.5.2</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">DbEnv::mutex_stat_print()</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="mutexstat.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 10.
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Mutex Methods
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</th>
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<td width="20%" align="right"> <a accesskey="n" href="mutexunlock.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="mutexstat_print"></a>DbEnv::mutex_stat_print()</h2>
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</div>
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</div>
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</div>
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<pre class="programlisting">#include <db_cxx.h>
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int
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DbEnv::mutex_stat_print(u_int32_t flags);</pre>
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<p>
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The <code class="methodname">DbEnv::mutex_stat_print()</code> method displays the mutex subsystem
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statistical information, as described for the <code class="methodname">DbEnv::mutex_stat()</code>
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method. The information is printed to a specified output channel (see
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the <a class="xref" href="envset_msgfile.html" title="DbEnv::set_msgfile()">DbEnv::set_msgfile()</a>
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method for more information), or passed to an application callback
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function (see the <a class="xref" href="envset_msgcall.html" title="DbEnv::set_msgcall()">DbEnv::set_msgcall()</a>
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method for more information).
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</p>
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<p>
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The <code class="methodname">DbEnv::mutex_stat_print()</code> method may not be called before the
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<a class="xref" href="envopen.html" title="DbEnv::open()">DbEnv::open()</a> method is called.
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</p>
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<p>
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The <code class="methodname">DbEnv::mutex_stat_print()</code> <span>
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<span>
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method either returns a non-zero error value or throws an
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exception that encapsulates a non-zero error value on
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failure, and returns 0 on success.
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</span>
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</span>
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</p>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3635081"></a>Parameters</h3>
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</div>
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</div>
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</div>
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<div class="sect3" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h4 class="title"><a id="id3635154"></a>flags</h4>
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</div>
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</div>
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</div>
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<p>
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The <span class="bold"><strong>flags</strong></span> parameter must be set to 0
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or by bitwise inclusively <span class="bold"><strong>OR</strong></span>'ing
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together one or more of the following values:
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</p>
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<div class="itemizedlist">
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<ul type="disc">
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<li>
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<p>
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<code class="literal">DB_STAT_ALL</code>
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</p>
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<p>
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Display all available information.
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</p>
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</li>
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<li>
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<p>
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<code class="literal">DB_STAT_CLEAR</code>
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</p>
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<p>
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Reset statistics after displaying their values.
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</p>
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</li>
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</ul>
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</div>
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</div>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3635004"></a>Class</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="link" href="env.html" title="Chapter 5. The DbEnv Handle">DbEnv</a>
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="id3635133"></a>See Also</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="xref" href="mutex.html#mutexlist" title="Mutex Methods">Mutex Methods</a>
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</p>
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</div>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="mutexstat.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="mutex.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="mutexunlock.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">DbEnv::mutex_stat() </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> DbEnv::mutex_unlock()</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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