Sophie

Sophie

distrib > Mandriva > 2010.0 > i586 > media > contrib-release > by-pkgid > 247b28499c443e092731ffba814075f2 > files > 1219

mpqc-html-2.3.1-9mdv2010.0.i586.rpm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>MPQC: memshm.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css">
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.9 -->
<div class="navigation" id="top">
  <div class="tabs">
    <ul>
      <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
      <li><a href="pages.html"><span>Related&nbsp;Pages</span></a></li>
      <li><a href="annotated.html"><span>Classes</span></a></li>
      <li class="current"><a href="files.html"><span>Files</span></a></li>
    </ul>
  </div>
  <div class="tabs">
    <ul>
      <li><a href="files.html"><span>File&nbsp;List</span></a></li>
    </ul>
  </div>
<h1>memshm.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
<a name="l00002"></a>00002 <span class="comment">// memshm.h</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 1996 Limit Point Systems, Inc.</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// Author: Curtis Janssen &lt;cljanss@limitpt.com&gt;</span>
<a name="l00007"></a>00007 <span class="comment">// Maintainer: LPS</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// This file is part of the SC Toolkit.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// The SC Toolkit is free software; you can redistribute it and/or modify</span>
<a name="l00012"></a>00012 <span class="comment">// it under the terms of the GNU Library General Public License as published by</span>
<a name="l00013"></a>00013 <span class="comment">// the Free Software Foundation; either version 2, or (at your option)</span>
<a name="l00014"></a>00014 <span class="comment">// any later version.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// The SC Toolkit is distributed in the hope that it will be useful,</span>
<a name="l00017"></a>00017 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00018"></a>00018 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00019"></a>00019 <span class="comment">// GNU Library General Public License for more details.</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// You should have received a copy of the GNU Library General Public License</span>
<a name="l00022"></a>00022 <span class="comment">// along with the SC Toolkit; see the file COPYING.LIB.  If not, write to</span>
<a name="l00023"></a>00023 <span class="comment">// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// The U.S. Government is granted a limited license as per AL 91-7.</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <span class="preprocessor">#ifdef __GNUC__</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#pragma interface</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span>
<a name="l00032"></a>00032 <span class="preprocessor">#ifndef _util_group_memshm_h</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#define _util_group_memshm_h</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;sys/types.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;sys/ipc.h&gt;</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include &lt;sys/shm.h&gt;</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;iostream&gt;</span>
<a name="l00039"></a>00039 
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;util/group/globcnt.h&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;util/group/memmsg.h&gt;</span>
<a name="l00042"></a>00042 
<a name="l00043"></a>00043 <span class="preprocessor">#include &lt;util/group/rnglock.h&gt;</span>
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 <span class="keyword">namespace </span>sc {
<a name="l00046"></a>00046 
<a name="l00050"></a><a class="code" href="classsc_1_1ShmMemoryGrp.html">00050</a> <span class="keyword">class </span><a class="code" href="classsc_1_1ShmMemoryGrp.html" title="The ShmMemoryGrp concrete class provides an implementation of MsgMemoryGrp.">ShmMemoryGrp</a>: <span class="keyword">public</span> <a class="code" href="classsc_1_1MsgMemoryGrp.html" title="A MsgMemoryGrp that initializes its data using a messagegrp.">MsgMemoryGrp</a> {
<a name="l00051"></a>00051   <span class="keyword">private</span>:
<a name="l00052"></a>00052     <span class="keywordtype">int</span> nregion_;
<a name="l00053"></a>00053     <span class="keywordtype">int</span> *shmid_;
<a name="l00054"></a>00054     <span class="keywordtype">void</span> **attach_address_;
<a name="l00055"></a>00055     GlobalCounter lock_;
<a name="l00056"></a>00056     GlobalCounter *update_;
<a name="l00057"></a>00057     <span class="keywordtype">void</span> *data_;
<a name="l00058"></a>00058     <span class="keywordtype">void</span> *memory_;
<a name="l00059"></a>00059     Pool *pool_;
<a name="l00060"></a>00060     RangeLock *rangelock_; <span class="comment">// the locks_ member of the base class is ignored</span>
<a name="l00061"></a>00061 
<a name="l00062"></a>00062     <span class="keywordtype">void</span> clear_release_count();
<a name="l00063"></a>00063     <span class="keywordtype">void</span> wait_for_release();
<a name="l00064"></a>00064     <span class="keywordtype">void</span> note_release();
<a name="l00065"></a>00065     <span class="keywordtype">void</span> obtain_lock();
<a name="l00066"></a>00066     <span class="keywordtype">void</span> release_lock();
<a name="l00067"></a>00067 
<a name="l00068"></a>00068     <span class="keywordtype">void</span> cleanup();
<a name="l00069"></a>00069     <span class="keywordtype">int</span> attach_memory(<span class="keywordtype">void</span> *ataddress, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MemoryGrp.html#16856ef367eb8d9b39bb36525d7753bf" title="Returns the amount of memory residing on node.">size</a>);
<a name="l00070"></a>00070     <span class="keywordtype">void</span> detach_memory();
<a name="l00071"></a>00071   <span class="keyword">public</span>:
<a name="l00072"></a>00072     <a class="code" href="classsc_1_1ShmMemoryGrp.html" title="The ShmMemoryGrp concrete class provides an implementation of MsgMemoryGrp.">ShmMemoryGrp</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1Ref.html">Ref&lt;MessageGrp&gt;</a>&amp; msg);
<a name="l00073"></a>00073     <a class="code" href="classsc_1_1ShmMemoryGrp.html" title="The ShmMemoryGrp concrete class provides an implementation of MsgMemoryGrp.">ShmMemoryGrp</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1Ref.html">Ref&lt;KeyVal&gt;</a>&amp;);
<a name="l00074"></a>00074     ~<a class="code" href="classsc_1_1ShmMemoryGrp.html" title="The ShmMemoryGrp concrete class provides an implementation of MsgMemoryGrp.">ShmMemoryGrp</a>();
<a name="l00075"></a>00075 
<a name="l00076"></a>00076     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1ShmMemoryGrp.html#ed4877a530a377d18ad6ea8529f9866c" title="Set the size of locally held memory.">set_localsize</a>(<span class="keywordtype">size_t</span>);
<a name="l00077"></a>00077     <span class="keywordtype">void</span> *<a class="code" href="classsc_1_1ShmMemoryGrp.html#03d6012785a5057133b01148421c9a36" title="Returns a pointer to the local data.">localdata</a>();
<a name="l00078"></a>00078 
<a name="l00079"></a>00079     <span class="keywordtype">void</span> *<a class="code" href="classsc_1_1ShmMemoryGrp.html#8419a95ca4976f05af852f92f2e7e574" title="Only one thread can have an unreleased obtain_readwrite at a time.">obtain_readwrite</a>(distsize_t <a class="code" href="classsc_1_1MemoryGrp.html#c65ac54b76c98942de3dcae3bb776e03" title="Returns the global offset to node&amp;#39;s memory.">offset</a>, <span class="keywordtype">int</span> size);
<a name="l00080"></a>00080     <span class="keywordtype">void</span> *<a class="code" href="classsc_1_1ShmMemoryGrp.html#1957e26cac085fbb4262c416df470243" title="This gives read access to the memory location. No locking is done.">obtain_readonly</a>(distsize_t offset, <span class="keywordtype">int</span> size);
<a name="l00081"></a>00081     <span class="keywordtype">void</span> *<a class="code" href="classsc_1_1ShmMemoryGrp.html#4a8f0e78e5f218b4c6999f7e1eb54c41" title="This gives write access to the memory location. No locking is done.">obtain_writeonly</a>(distsize_t offset, <span class="keywordtype">int</span> size);
<a name="l00082"></a>00082     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1ShmMemoryGrp.html#f12cab92a396f334d4d9514403c5e2eb" title="This is called when read access is no longer needed.">release_readonly</a>(<span class="keywordtype">void</span> *data, distsize_t offset, <span class="keywordtype">int</span> size);
<a name="l00083"></a>00083     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1ShmMemoryGrp.html#61f77fb1512bd94142ee84762fe1524d" title="This is called when write access is no longer needed.">release_writeonly</a>(<span class="keywordtype">void</span> *data, distsize_t offset, <span class="keywordtype">int</span> size);
<a name="l00084"></a>00084     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1ShmMemoryGrp.html#2f867c71cba7eb0f724f622201c35a36" title="This is called when read/write access is no longer needed.">release_readwrite</a>(<span class="keywordtype">void</span> *data, distsize_t offset, <span class="keywordtype">int</span> size);
<a name="l00085"></a>00085 
<a name="l00086"></a>00086     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1ShmMemoryGrp.html#e1f177f23e11fe6fcad28b460170ce49" title="Prints out information about the object.">print</a>(std::ostream &amp;o = <a class="code" href="classsc_1_1ExEnv.html#360216acd1f990e999c0ed46cb350b1f" title="Return an ostream that writes from node 0.">ExEnv::out0</a>()) <span class="keyword">const</span>;
<a name="l00087"></a>00087 };
<a name="l00088"></a>00088 
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090 
<a name="l00091"></a>00091 <span class="preprocessor">#endif</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span>
<a name="l00093"></a>00093 <span class="comment">// Local Variables:</span>
<a name="l00094"></a>00094 <span class="comment">// mode: c++</span>
<a name="l00095"></a>00095 <span class="comment">// c-file-style: "CLJ"</span>
<a name="l00096"></a>00096 <span class="comment">// End:</span>
</pre></div></div>
<hr>
<address>
<small>

Generated at Wed Oct 14 14:12:10 2009 for <a
href="http://www.mpqc.org">MPQC</a>
2.3.1 using the documentation package <a
href="http://www.doxygen.org">Doxygen</a>
1.5.9.

</small>
</address>
</body>
</html>

Perl :: Catalyst :: PostgreSQL :: RPM Valid HTML 4.01 Transitional