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<hr><h1>memamsg.h</h1><div class="fragment"><pre>00001 <font class="comment">//</font>
00002 <font class="comment">// memamsg.h</font>
00003 <font class="comment">//</font>
00004 <font class="comment">// Copyright (C) 1996 Limit Point Systems, Inc.</font>
00005 <font class="comment">//</font>
00006 <font class="comment">// Author: Curtis Janssen &lt;cljanss@limitpt.com&gt;</font>
00007 <font class="comment">// Maintainer: LPS</font>
00008 <font class="comment">//</font>
00009 <font class="comment">// This file is part of the SC Toolkit.</font>
00010 <font class="comment">//</font>
00011 <font class="comment">// The SC Toolkit is free software; you can redistribute it and/or modify</font>
00012 <font class="comment">// it under the terms of the GNU Library General Public License as published by</font>
00013 <font class="comment">// the Free Software Foundation; either version 2, or (at your option)</font>
00014 <font class="comment">// any later version.</font>
00015 <font class="comment">//</font>
00016 <font class="comment">// The SC Toolkit is distributed in the hope that it will be useful,</font>
00017 <font class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00018 <font class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</font>
00019 <font class="comment">// GNU Library General Public License for more details.</font>
00020 <font class="comment">//</font>
00021 <font class="comment">// You should have received a copy of the GNU Library General Public License</font>
00022 <font class="comment">// along with the SC Toolkit; see the file COPYING.LIB.  If not, write to</font>
00023 <font class="comment">// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.</font>
00024 <font class="comment">//</font>
00025 <font class="comment">// The U.S. Government is granted a limited license as per AL 91-7.</font>
00026 <font class="comment">//</font>
00027 
00028 <font class="preprocessor">#ifdef __GNUC__</font>
00029 <font class="preprocessor"></font><font class="preprocessor">#pragma interface</font>
00030 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00031 <font class="preprocessor"></font>
00032 <font class="preprocessor">#ifndef _util_group_memamsg_h</font>
00033 <font class="preprocessor"></font><font class="preprocessor">#define _util_group_memamsg_h</font>
00034 <font class="preprocessor"></font>
00035 <font class="preprocessor">#include &lt;iostream&gt;</font>
00036 
00037 <font class="preprocessor">#include &lt;util/group/memmsg.h&gt;</font>
00038 
00039 <font class="keyword">namespace </font>sc {
00040     
00041 <font class="keyword">class </font>MemoryDataRequest {
00042   <font class="keyword">public</font>:
00043     <font class="keyword">enum</font> { NData = 6 };
00044     <font class="keyword">enum</font> Request { Deactivate, Sync, Retrieve, Replace, DoubleSum };
00045   <font class="keyword">private</font>:
00046     <font class="keywordtype">int</font> data_[NData];
00047   <font class="keyword">public</font>:
00048     MemoryDataRequest()<font class="keyword"> </font>{}
00049     MemoryDataRequest(Request r, <font class="keywordtype">int</font> node = 0, <font class="keywordtype">int</font> offset = 0, <font class="keywordtype">int</font> size = 0,
00050                       <font class="keywordtype">int</font> lock = 0, <font class="keywordtype">int</font> serial = 0);
00051     <font class="keywordtype">void</font> assign(Request r, <font class="keywordtype">int</font> node, <font class="keywordtype">int</font> offset, <font class="keywordtype">int</font> size,
00052                 <font class="keywordtype">int</font> lock, <font class="keywordtype">int</font> serial);
00053     <font class="keywordtype">void</font> *data()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> (<font class="keywordtype">void</font> *) data_; }
00054     <font class="keywordtype">int</font> nbytes()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> <font class="keyword">sizeof</font>(<font class="keywordtype">int</font>)*NData; }
00055 
00056     <font class="keyword">const</font> <font class="keywordtype">char</font> *request_string() <font class="keyword">const</font>;
00057 
00058     MemoryDataRequest::Request request()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> (Request) data_[0]; }
00059     <font class="keywordtype">int</font> node()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> data_[1]; }
00060     <font class="keywordtype">int</font> offset()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> data_[2]; }
00061     <font class="keywordtype">int</font> size()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> data_[3]; }
00062     <font class="keywordtype">int</font> serial_number()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> data_[4]; }
00063     <font class="keywordtype">int</font> lock()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> data_[5]; }
00064 
00065     <font class="keywordtype">int</font> touches_data()<font class="keyword"> const </font>{<font class="keywordflow">return</font> request()!=Deactivate&amp;&amp;request()!=Sync;}
00066 
00067     <font class="comment">// Sync messages only define one datum besides type and node</font>
00068     <font class="keywordtype">int</font> reactivate()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> data_[2]; }
00069 
00070     <font class="keywordtype">void</font> operator =(<font class="keyword">const</font> MemoryDataRequest &amp;r);
00071 
00072     <font class="keywordtype">void</font> print(<font class="keyword">const</font> <font class="keywordtype">char</font>* msg = 0, std::ostream &amp; o = ExEnv::out0()) <font class="keyword">const</font>;
00073 };
00074 
00075 <font class="keyword">class </font>MemoryDataRequestQueue {
00076   <font class="keyword">public</font>:
00077     <font class="keyword">enum</font> { MaxDepth = 1024 };
00078   <font class="keyword">private</font>:
00079     MemoryDataRequest q_[MaxDepth];
00080     <font class="keywordtype">int</font> n_;
00081   <font class="keyword">public</font>:
00082     MemoryDataRequestQueue(): n_(0) {}
00083     <font class="keywordtype">int</font> n()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> n_; }
00084     <font class="keywordtype">void</font> push(MemoryDataRequest&amp;);
00085     <font class="keywordtype">void</font> pop(MemoryDataRequest&amp;);
00086 
00087     MemoryDataRequest&amp; operator[](<font class="keywordtype">int</font> i)<font class="keyword"> </font>{ <font class="keywordflow">return</font> q_[i]; }
00088     <font class="keywordtype">void</font> clear()<font class="keyword"> </font>{ n_ = 0; }
00089 };
00090 
<a name="l00093"></a><a class="code" href="class_sc__ActiveMsgMemoryGrp.html">00093</a> <font class="keyword">class </font>ActiveMsgMemoryGrp : <font class="keyword">public</font> MsgMemoryGrp {
00094   <font class="keyword">protected</font>:
00095     <font class="keywordtype">char</font> *data_;
00096 
00097     <font class="keyword">virtual</font> <font class="keywordtype">void</font> retrieve_data(<font class="keywordtype">void</font> *, <font class="keywordtype">int</font> node, <font class="keywordtype">int</font> offset, <font class="keywordtype">int</font> size,
00098                                <font class="keywordtype">int</font> lock) = 0;
00099     <font class="keyword">virtual</font> <font class="keywordtype">void</font> replace_data(<font class="keywordtype">void</font> *, <font class="keywordtype">int</font> node, <font class="keywordtype">int</font> offset, <font class="keywordtype">int</font> size,
00100                               <font class="keywordtype">int</font> unlock) = 0;
00101     <font class="keyword">virtual</font> <font class="keywordtype">void</font> sum_data(<font class="keywordtype">double</font> *data, <font class="keywordtype">int</font> node, <font class="keywordtype">int</font> doffset, <font class="keywordtype">int</font> dsize) = 0;
00102   <font class="keyword">public</font>:
00103     ActiveMsgMemoryGrp(<font class="keyword">const</font> Ref&lt;MessageGrp&gt;&amp; msg);
00104     ActiveMsgMemoryGrp(<font class="keyword">const</font> Ref&lt;KeyVal&gt;&amp;);
00105     ~ActiveMsgMemoryGrp();
00106 
00107     <font class="keywordtype">void</font> <a class="code" href="class_sc__ActiveMsgMemoryGrp.html#a3">set_localsize</a>(size_t);
00108     <font class="keywordtype">void</font> *<a class="code" href="class_sc__ActiveMsgMemoryGrp.html#a4">localdata</a>();
00109 
00110     <font class="keywordtype">void</font> *<a class="code" href="class_sc__ActiveMsgMemoryGrp.html#a5">obtain_writeonly</a>(distsize_t offset, <font class="keywordtype">int</font> size);
00111     <font class="keywordtype">void</font> *<a class="code" href="class_sc__ActiveMsgMemoryGrp.html#a6">obtain_readwrite</a>(distsize_t offset, <font class="keywordtype">int</font> size);
00112     <font class="keywordtype">void</font> *<a class="code" href="class_sc__ActiveMsgMemoryGrp.html#a7">obtain_readonly</a>(distsize_t offset, <font class="keywordtype">int</font> size);
00113     <font class="keywordtype">void</font> <a class="code" href="class_sc__ActiveMsgMemoryGrp.html#a8">release_readonly</a>(<font class="keywordtype">void</font> *data, distsize_t offset, <font class="keywordtype">int</font> size);
00114     <font class="keywordtype">void</font> <a class="code" href="class_sc__ActiveMsgMemoryGrp.html#a9">release_writeonly</a>(<font class="keywordtype">void</font> *data, distsize_t offset, <font class="keywordtype">int</font> size);
00115     <font class="keywordtype">void</font> <a class="code" href="class_sc__ActiveMsgMemoryGrp.html#a10">release_readwrite</a>(<font class="keywordtype">void</font> *data, distsize_t offset, <font class="keywordtype">int</font> size);
00116 
00117     <font class="keywordtype">void</font> sum_reduction(<font class="keywordtype">double</font> *data, distsize_t doffset, <font class="keywordtype">int</font> dsize);
00118     <font class="keywordtype">void</font> sum_reduction_on_node(<font class="keywordtype">double</font> *data, size_t doffset, <font class="keywordtype">int</font> dsize,
00119                                <font class="keywordtype">int</font> node = -1);
00120 
00121     <font class="keywordtype">void</font> <a class="code" href="class_sc__ActiveMsgMemoryGrp.html#a13">print</a>(std::ostream &amp;o = ExEnv::out0()) <font class="keyword">const</font>;
00122 };
00123 
00124 }
00125 
00126 <font class="preprocessor">#endif</font>
00127 <font class="preprocessor"></font>
00128 <font class="comment">// Local Variables:</font>
00129 <font class="comment">// mode: c++</font>
00130 <font class="comment">// c-file-style: "CLJ"</font>
00131 <font class="comment">// End:</font>
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href="http://aros.ca.sandia.gov/~cljanss/mpqc">MPQC</a>
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