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<hr><h1>globcnt.h</h1><div class="fragment"><pre>00001 <font class="comment">//</font>
00002 <font class="comment">// globcnt.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 <cljanss@limitpt.com></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_globcnt_h</font>
00033 <font class="preprocessor"></font><font class="preprocessor">#define _util_group_globcnt_h</font>
00034 <font class="preprocessor"></font>
00035 <font class="keyword">namespace </font>sc {
00036
00037 <font class="comment">// A process can create a GlobalCounter using the void CTOR.</font>
00038 <font class="comment">// This process can share the string representation of the</font>
00039 <font class="comment">// counter with other processes. They can then use the const</font>
00040 <font class="comment">// char * CTOR to create global counters that reference the</font>
00041 <font class="comment">// same global counter.</font>
00042
00043 <font class="keyword">class </font>GlobalCounter {
00044 <font class="keyword">private</font>:
00045 <font class="keywordtype">int</font> semid_;
00046 <font class="keywordtype">int</font> controls_release_;
00047
00048 <font class="keywordtype">void</font> cleanup();
00049
00050 <font class="keyword">public</font>:
00051 GlobalCounter();
00052 <font class="keywordtype">void</font> initialize();
00053 <font class="keywordtype">void</font> initialize(<font class="keyword">const</font> <font class="keywordtype">char</font> *stringrep);
00054 ~GlobalCounter();
00055
00056 <font class="keywordtype">char</font> *stringrep();
00057
00058 <font class="keywordtype">void</font> wait_for_zero();
00059 <font class="keywordtype">void</font> operator += (<font class="keywordtype">int</font>);
00060 <font class="keywordtype">void</font> operator ++();
00061 <font class="keywordtype">void</font> operator --();
00062 <font class="keywordtype">void</font> operator ++(<font class="keywordtype">int</font>)<font class="keyword"> </font>{ operator++(); }
00063 <font class="keywordtype">void</font> operator --(<font class="keywordtype">int</font>)<font class="keyword"> </font>{ operator--(); }
00064 <font class="keywordtype">void</font> operator = (<font class="keywordtype">int</font>);
00065
00066 <font class="keywordtype">int</font> val();
00067 };
00068
00069 }
00070
00071 <font class="preprocessor">#endif</font>
00072 <font class="preprocessor"></font>
00073 <font class="comment">// Local Variables:</font>
00074 <font class="comment">// mode: c++</font>
00075 <font class="comment">// c-file-style: "CLJ"</font>
00076 <font class="comment">// End:</font>
</div></pre><hr>
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