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Extensible Markup Language  |  2004-04-17  |  4KB  |  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
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  13.      http://www.apache.org/licenses/LICENSE-2.0
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  15.  Unless required by applicable law or agreed to in writing, software
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  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.