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>DB_ENV->memp_stat_print()</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 API Reference" /> 10 <link rel="up" href="memp.html" title="Chapter 8. The DB_MPOOLFILE Handle" /> 11 <link rel="prev" href="mempstat.html" title="DB_ENV->memp_stat()" /> 12 <link rel="next" href="mempsync.html" title="DB_ENV->memp_sync()" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center">DB_ENV->memp_stat_print()</th> 19 </tr> 20 <tr> 21 <td width="20%" align="left"><a accesskey="p" href="mempstat.html">Prev</a> </td> 22 <th width="60%" align="center">Chapter 8. 23 The DB_MPOOLFILE Handle 24 </th> 25 <td width="20%" align="right"> <a accesskey="n" href="mempsync.html">Next</a></td> 26 </tr> 27 </table> 28 <hr /> 29 </div> 30 <div class="sect1" lang="en" xml:lang="en"> 31 <div class="titlepage"> 32 <div> 33 <div> 34 <h2 class="title" style="clear: both"><a id="mempstat_print"></a>DB_ENV->memp_stat_print()</h2> 35 </div> 36 </div> 37 </div> 38 <pre class="programlisting">#include <db.h> 39 40int 41DB_ENV->memp_stat_print(DB_ENV *env, u_int32_t flags); </pre> 42 <p> 43 The <code class="methodname">DB_ENV->memp_stat_print()</code> method displays cache 44 subsystem statistical information, as described for the 45 <a class="xref" href="mempstat.html" title="DB_ENV->memp_stat()">DB_ENV->memp_stat()</a> method. The information is printed to 46 a specified output channel (see the 47 <a class="xref" href="envset_msgfile.html" title="DB_ENV->set_msgfile()">DB_ENV->set_msgfile()</a> method for more 48 information), or passed to an application callback function (see the 49 <a class="xref" href="envset_msgcall.html" title="DB_ENV->set_msgcall()">DB_ENV->set_msgcall()</a> method for more 50 information). 51 </p> 52 <p> 53 The <code class="methodname">DB_ENV->memp_stat_print()</code> method may not be called before the 54 <a class="xref" href="envopen.html" title="DB_ENV->open()">DB_ENV->open()</a> method is 55 called. 56 </p> 57 <p> 58 The <code class="methodname">DB_ENV->memp_stat_print()</code> <span> 59 <span> 60 method returns a non-zero error value on failure and 0 on success. 61 </span> 62 63 </span> 64 </p> 65 <div class="sect2" lang="en" xml:lang="en"> 66 <div class="titlepage"> 67 <div> 68 <div> 69 <h3 class="title"><a id="id1687702"></a>Parameters</h3> 70 </div> 71 </div> 72 </div> 73 <div class="sect3" lang="en" xml:lang="en"> 74 <div class="titlepage"> 75 <div> 76 <div> 77 <h4 class="title"><a id="id1687642"></a>flags</h4> 78 </div> 79 </div> 80 </div> 81 <p> 82 The <span class="bold"><strong>flags</strong></span> parameter must be set to 0 83 or by bitwise inclusively <span class="bold"><strong>OR</strong></span>'ing 84 together one or more of the following values: 85 </p> 86 <div class="itemizedlist"> 87 <ul type="disc"> 88 <li> 89 <p><a id="stat_print_DB_STAT_ALL"></a> 90 <code class="literal">DB_STAT_ALL</code> 91 </p> 92 <p> 93 Display all available information. 94 </p> 95 </li> 96 <li> 97 <p><a id="stat_print_DB_STAT_CLEAR"></a> 98 <code class="literal">DB_STAT_CLEAR</code> 99 </p> 100 <p> 101 Reset statistics after displaying their values. 102 </p> 103 </li> 104 <li> 105 <p><a id="stat_print_DB_STAT_MEMP_HASH"></a> 106 <code class="literal">DB_STAT_MEMP_HASH</code> 107 </p> 108 <p> 109 Display the buffers with hash chains. 110 </p> 111 </li> 112 </ul> 113 </div> 114 </div> 115 </div> 116 <div class="sect2" lang="en" xml:lang="en"> 117 <div class="titlepage"> 118 <div> 119 <div> 120 <h3 class="title"><a id="id1688058"></a>Class</h3> 121 </div> 122 </div> 123 </div> 124 <p> 125 <a class="link" href="env.html" title="Chapter 5. The DB_ENV Handle">DB_ENV</a>, <a class="link" href="memp.html" title="Chapter 8. The DB_MPOOLFILE Handle">DB_MPOOLFILE</a> 126 </p> 127 </div> 128 <div class="sect2" lang="en" xml:lang="en"> 129 <div class="titlepage"> 130 <div> 131 <div> 132 <h3 class="title"><a id="id1687802"></a>See Also</h3> 133 </div> 134 </div> 135 </div> 136 <p> 137 <a class="xref" href="memp.html#memplist" title="Memory Pools and Related Methods">Memory Pools and Related Methods</a> 138 </p> 139 </div> 140 </div> 141 <div class="navfooter"> 142 <hr /> 143 <table width="100%" summary="Navigation footer"> 144 <tr> 145 <td width="40%" align="left"><a accesskey="p" href="mempstat.html">Prev</a> </td> 146 <td width="20%" align="center"> 147 <a accesskey="u" href="memp.html">Up</a> 148 </td> 149 <td width="40%" align="right"> <a accesskey="n" href="mempsync.html">Next</a></td> 150 </tr> 151 <tr> 152 <td width="40%" align="left" valign="top">DB_ENV->memp_stat() </td> 153 <td width="20%" align="center"> 154 <a accesskey="h" href="index.html">Home</a> 155 </td> 156 <td width="40%" align="right" valign="top"> DB_ENV->memp_sync()</td> 157 </tr> 158 </table> 159 </div> 160 </body> 161</html> 162