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Extensible Markup Language  |  2004-04-17  |  4.0 KB  |  97 lines
  1. <?xml version="1.0"?>
  2. <!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
  3. <?xml-stylesheet type="text/xsl" href="../style/manual.en.xsl"?>
  4. <!-- $Revision: 1.1.2.7 $ -->
  5.  
  6. <!--
  7.  Copyright 2002-2004 The Apache Software Foundation
  8.  
  9.  Licensed under the Apache License, Version 2.0 (the "License");
  10.  you may not use this file except in compliance with the License.
  11.  You may obtain a copy of the License at
  12.  
  13.      http://www.apache.org/licenses/LICENSE-2.0
  14.  
  15.  Unless required by applicable law or agreed to in writing, software
  16.  distributed under the License is distributed on an "AS IS" BASIS,
  17.  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18.  See the License for the specific language governing permissions and
  19.  limitations under the License.
  20. -->
  21.  
  22. <modulesynopsis metafile="leader.xml.meta">
  23. <name>leader</name>
  24. <description>An experimental variant of the standard <module>worker</module>
  25. MPM</description>
  26. <status>MPM</status>
  27. <sourcefile>leader.c</sourcefile>
  28. <identifier>mpm_leader_module</identifier>
  29.  
  30. <summary>
  31.     <note type="warning"><title>Warning</title>
  32.       <p>This MPM is experimental, so it may or may not work
  33.       as expected.</p>
  34.     </note>
  35.     
  36.     <p>This is an experimental variant of the standard
  37.     <module>worker</module> MPM. It uses a Leader/Followers design pattern
  38.     to coordinate work among threads. For more info, see <a
  39.     href="http://deuce.doc.wustl.edu/doc/pspdfs/lf.pdf"
  40.     >http://deuce.doc.wustl.edu/doc/pspdfs/lf.pdf</a>.</p>
  41.  
  42.     <p>To use the <module>leader</module> MPM, add
  43.       <code>--with-mpm=leader</code> to the <code>configure</code> script's
  44.       arguments when building the <code>httpd</code>.</p>
  45.   
  46.     <p>This MPM depends on APR's atomic compare-and-swap operations for
  47.     thread synchronization. If you are compiling for an x86 target
  48.     and you don't need to support 386s, or you are compiling for a
  49.     SPARC and you don't need to run on pre-UltraSPARC chips, add
  50.     <code>--enable-nonportable-atomics=yes</code> to the <code>configure</code>
  51.     script's arguments. This will cause APR to implement atomic operations
  52.     using efficient opcodes not available in older CPUs.</p>
  53. </summary>
  54.  
  55. <directivesynopsis location="mpm_common"><name>AcceptMutex</name>
  56. </directivesynopsis>
  57. <directivesynopsis location="mpm_common"><name>CoreDumpDirectory</name>
  58. </directivesynopsis>
  59. <directivesynopsis location="mpm_common"><name>EnableExceptionHook</name>
  60. </directivesynopsis>
  61. <directivesynopsis location="mpm_common"><name>Group</name>
  62. </directivesynopsis>
  63. <directivesynopsis location="mpm_common"><name>Listen</name>
  64. </directivesynopsis>
  65. <directivesynopsis location="mpm_common"><name>ListenBacklog</name>
  66. </directivesynopsis>
  67. <directivesynopsis location="mpm_common"><name>SendBufferSize</name>
  68. </directivesynopsis>
  69. <directivesynopsis location="mpm_common"><name>LockFile</name>
  70. </directivesynopsis>
  71. <directivesynopsis location="mpm_common"><name>MaxClients</name>
  72. </directivesynopsis>
  73. <directivesynopsis location="mpm_common"><name>MaxMemFree</name>
  74. </directivesynopsis>
  75. <directivesynopsis location="mpm_common"><name>MaxRequestsPerChild</name>
  76. </directivesynopsis>
  77. <directivesynopsis location="mpm_common"><name>MaxSpareThreads</name>
  78. </directivesynopsis>
  79. <directivesynopsis location="mpm_common"><name>MinSpareThreads</name>
  80. </directivesynopsis>
  81. <directivesynopsis location="mpm_common"><name>PidFile</name>
  82. </directivesynopsis>
  83. <directivesynopsis location="mpm_common"><name>ScoreBoardFile</name>
  84. </directivesynopsis>
  85. <directivesynopsis location="mpm_common"><name>ServerLimit</name>
  86. </directivesynopsis>
  87. <directivesynopsis location="mpm_common"><name>StartServers</name>
  88. </directivesynopsis>
  89. <directivesynopsis location="mpm_common"><name>ThreadLimit</name>
  90. </directivesynopsis>
  91. <directivesynopsis location="mpm_common"><name>ThreadsPerChild</name>
  92. </directivesynopsis>
  93. <directivesynopsis location="mpm_common"><name>User</name>
  94. </directivesynopsis>
  95.  
  96. </modulesynopsis>
  97.