File: mutex.html

package info (click to toggle)
db 5.1.29-9%2Bdeb8u1
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 150,396 kB
  • sloc: ansic: 400,169; java: 94,399; tcl: 70,967; sh: 37,399; cs: 30,758; cpp: 21,132; perl: 14,227; xml: 9,854; makefile: 3,777; yacc: 1,003; awk: 942; sql: 801; erlang: 461; python: 216; php: 24; asm: 14
file content (148 lines) | stat: -rw-r--r-- 6,467 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
<?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>Chapter 10.  Mutex Methods</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="index.html" title="Berkeley DB C++ API Reference" />
    <link rel="prev" href="mempset_priority.html" title="DbMpoolFile::set_priority()" />
    <link rel="next" href="mutexalloc.html" title="DbEnv::mutex_alloc()" />
  </head>
  <body>
    <div class="navheader">
      <table width="100%" summary="Navigation header">
        <tr>
          <th colspan="3" align="center">Chapter 10. 
                Mutex Methods 
        </th>
        </tr>
        <tr>
          <td width="20%" align="left"><a accesskey="p" href="mempset_priority.html">Prev</a> </td>
          <th width="60%" align="center"> </th>
          <td width="20%" align="right"> <a accesskey="n" href="mutexalloc.html">Next</a></td>
        </tr>
      </table>
      <hr />
    </div>
    <div class="chapter" lang="en" xml:lang="en">
      <div class="titlepage">
        <div>
          <div>
            <h2 class="title"><a id="mutex"></a>Chapter 10. 
                Mutex Methods 
        </h2>
          </div>
        </div>
      </div>
      <p>
                This chapter describes methods that can be used to manage
                mutexes within DB. Many of the methods described here
                are used to configure DB's internal mutex system.
                However, a series of APIs are available for use as a
                general-purpose, cross platform mutex management system.
                These methods can be used independently of DB's main
                purpose, which is as a high-end data management engine.
        </p>
      <div class="sect1" lang="en" xml:lang="en">
        <div class="titlepage">
          <div>
            <div>
              <h2 class="title" style="clear: both"><a id="mutexlist"></a>Mutex Methods</h2>
            </div>
          </div>
        </div>
        <div class="navtable">
          <table border="1" width="80%">
            <thead>
              <tr>
                <th>Mutexes and Related Methods</th>
                <th>Description</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td>
                  <a class="xref" href="mutexalloc.html" title="DbEnv::mutex_alloc()">DbEnv::mutex_alloc()</a>
                </td>
                <td>Allocate a mutex</td>
              </tr>
              <tr>
                <td>
                  <a class="xref" href="mutexfree.html" title="DbEnv::mutex_free()">DbEnv::mutex_free()</a>
                </td>
                <td>Free a mutex</td>
              </tr>
              <tr>
                <td>
                  <a class="xref" href="mutexlock.html" title="DbEnv::mutex_lock()">DbEnv::mutex_lock()</a>
                </td>
                <td>Lock a mutex</td>
              </tr>
              <tr>
                <td>
                  <a class="xref" href="mutexstat.html" title="DbEnv::mutex_stat()">DbEnv::mutex_stat()</a>
                </td>
                <td>Mutex statistics</td>
              </tr>
              <tr>
                <td>
                  <a class="xref" href="mutexstat_print.html" title="DbEnv::mutex_stat_print()">DbEnv::mutex_stat_print()</a>
                </td>
                <td>Print mutex statistics</td>
              </tr>
              <tr>
                <td>
                  <a class="xref" href="mutexunlock.html" title="DbEnv::mutex_unlock()">DbEnv::mutex_unlock()</a>
                </td>
                <td>Unlock a mutex</td>
              </tr>
              <tr>
                <td colspan="2">
                  <span class="bold">
                    <strong>Mutex Configuration</strong>
                  </span>
                </td>
              </tr>
              <tr>
                <td><a class="xref" href="mutexset_align.html" title="DbEnv::mutex_set_align()">DbEnv::mutex_set_align()</a>, <a class="xref" href="mutexget_align.html" title="DbEnv::mutex_get_align()">DbEnv::mutex_get_align()</a></td>
                <td>Configure mutex alignment</td>
              </tr>
              <tr>
                <td><a class="xref" href="mutexset_increment.html" title="DbEnv::mutex_set_increment()">DbEnv::mutex_set_increment()</a>, <a class="xref" href="mutexget_increment.html" title="DbEnv::mutex_get_increment()">DbEnv::mutex_get_increment()</a></td>
                <td>Configure number of additional mutexes</td>
              </tr>
              <tr>
                <td><a class="xref" href="mutexset_max.html" title="DbEnv::mutex_set_max()">DbEnv::mutex_set_max()</a>, <a class="xref" href="mutexget_max.html" title="DbEnv::mutex_get_max()">DbEnv::mutex_get_max()</a></td>
                <td>Configure total number of mutexes</td>
              </tr>
              <tr>
                <td><a class="xref" href="mutexset_tas_spins.html" title="DbEnv::mutex_set_tas_spins()">DbEnv::mutex_set_tas_spins()</a>, <a class="xref" href="mutexget_tas_spins.html" title="DbEnv::mutex_get_tas_spins()">DbEnv::mutex_get_tas_spins()</a></td>
                <td>Configure test-and-set mutex spin count</td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
    </div>
    <div class="navfooter">
      <hr />
      <table width="100%" summary="Navigation footer">
        <tr>
          <td width="40%" align="left"><a accesskey="p" href="mempset_priority.html">Prev</a> </td>
          <td width="20%" align="center"> </td>
          <td width="40%" align="right"> <a accesskey="n" href="mutexalloc.html">Next</a></td>
        </tr>
        <tr>
          <td width="40%" align="left" valign="top">DbMpoolFile::set_priority() </td>
          <td width="20%" align="center">
            <a accesskey="h" href="index.html">Home</a>
          </td>
          <td width="40%" align="right" valign="top"> DbEnv::mutex_alloc()</td>
        </tr>
      </table>
    </div>
  </body>
</html>