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<h1>JackWinProcessSync.cpp</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (C) 2004-2008 Grame</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00005"></a>00005 <span class="comment"> it under the terms of the GNU Lesser General Public License as published by</span>
<a name="l00006"></a>00006 <span class="comment"> the Free Software Foundation; either version 2.1 of the License, or</span>
<a name="l00007"></a>00007 <span class="comment"> (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00012"></a>00012 <span class="comment"> GNU Lesser General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> You should have received a copy of the GNU Lesser General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> along with this program; if not, write to the Free Software</span>
<a name="l00016"></a>00016 <span class="comment"> Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</span>
<a name="l00017"></a>00017 <span class="comment"></span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#include "JackWinProcessSync.h"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "JackError.h"</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="keyword">namespace </span>Jack
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keywordtype">void</span> JackWinProcessSync::Signal()
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 SetEvent(fEvent);
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keywordtype">void</span> JackWinProcessSync::LockedSignal()
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 WaitForSingleObject(fMutex, INFINITE);
<a name="l00035"></a>00035 SetEvent(fEvent);
<a name="l00036"></a>00036 ReleaseMutex(fMutex);
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keywordtype">void</span> JackWinProcessSync::SignalAll()
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 SetEvent(fEvent);
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keywordtype">void</span> JackWinProcessSync::LockedSignalAll()
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 WaitForSingleObject(fMutex, INFINITE);
<a name="l00047"></a>00047 SetEvent(fEvent);
<a name="l00048"></a>00048 ReleaseMutex(fMutex);
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">void</span> JackWinProcessSync::Wait()
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 ReleaseMutex(fMutex);
<a name="l00054"></a>00054 WaitForSingleObject(fEvent, INFINITE);
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keywordtype">void</span> JackWinProcessSync::LockedWait()
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="comment">/* Does it make sense on Windows, use non-locked version for now... */</span>
<a name="l00060"></a>00060 Wait();
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordtype">bool</span> JackWinProcessSync::TimedWait(<span class="keywordtype">long</span> usec)
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 ReleaseMutex(fMutex);
<a name="l00066"></a>00066 DWORD res = WaitForSingleObject(fEvent, usec / 1000);
<a name="l00067"></a>00067 <span class="keywordflow">return</span> (res == WAIT_OBJECT_0);
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keywordtype">bool</span> JackWinProcessSync::LockedTimedWait(<span class="keywordtype">long</span> usec)
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 <span class="comment">/* Does it make sense on Windows, use non-locked version for now...*/</span>
<a name="l00073"></a>00073 <span class="keywordflow">return</span> TimedWait(usec);
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="comment">/*</span>
<a name="l00077"></a>00077 <span class="comment">Code from APPLE CAGuard.cpp : does not seem to work as expected...</span>
<a name="l00078"></a>00078 <span class="comment"></span>
<a name="l00079"></a>00079 <span class="comment">void JackWinProcessSync::Wait()</span>
<a name="l00080"></a>00080 <span class="comment">{</span>
<a name="l00081"></a>00081 <span class="comment"> ReleaseMutex(fMutex);</span>
<a name="l00082"></a>00082 <span class="comment"> HANDLE handles[] = { fMutex, fEvent };</span>
<a name="l00083"></a>00083 <span class="comment"> DWORD res = WaitForMultipleObjects(2, handles, true, INFINITE);</span>
<a name="l00084"></a>00084 <span class="comment"> if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT))</span>
<a name="l00085"></a>00085 <span class="comment"> jack_error("Wait error err = %d", GetLastError());</span>
<a name="l00086"></a>00086 <span class="comment"> ResetEvent(fEvent);</span>
<a name="l00087"></a>00087 <span class="comment">}</span>
<a name="l00088"></a>00088 <span class="comment"></span>
<a name="l00089"></a>00089 <span class="comment">void JackWinProcessSync::LockedWait()</span>
<a name="l00090"></a>00090 <span class="comment">{</span>
<a name="l00091"></a>00091 <span class="comment"> WaitForSingleObject(fMutex, INFINITE);</span>
<a name="l00092"></a>00092 <span class="comment"> ReleaseMutex(fMutex);</span>
<a name="l00093"></a>00093 <span class="comment"> HANDLE handles[] = { fMutex, fEvent };</span>
<a name="l00094"></a>00094 <span class="comment"> DWORD res = WaitForMultipleObjects(2, handles, true, INFINITE);</span>
<a name="l00095"></a>00095 <span class="comment"> if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT))</span>
<a name="l00096"></a>00096 <span class="comment"> jack_error("LockedWait error err = %d", GetLastError());</span>
<a name="l00097"></a>00097 <span class="comment"> ResetEvent(fEvent);</span>
<a name="l00098"></a>00098 <span class="comment">}</span>
<a name="l00099"></a>00099 <span class="comment"></span>
<a name="l00100"></a>00100 <span class="comment">bool JackWinProcessSync::TimedWait(long usec)</span>
<a name="l00101"></a>00101 <span class="comment">{</span>
<a name="l00102"></a>00102 <span class="comment"> ReleaseMutex(fMutex);</span>
<a name="l00103"></a>00103 <span class="comment"> HANDLE handles[] = { fMutex, fEvent };</span>
<a name="l00104"></a>00104 <span class="comment"> DWORD res = WaitForMultipleObjects(2, handles, true, usec / 1000);</span>
<a name="l00105"></a>00105 <span class="comment"> if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT))</span>
<a name="l00106"></a>00106 <span class="comment"> jack_error("Wait error err = %d", GetLastError());</span>
<a name="l00107"></a>00107 <span class="comment"> ResetEvent(fEvent);</span>
<a name="l00108"></a>00108 <span class="comment">}</span>
<a name="l00109"></a>00109 <span class="comment"></span>
<a name="l00110"></a>00110 <span class="comment">bool JackWinProcessSync::LockedTimedWait(long usec)</span>
<a name="l00111"></a>00111 <span class="comment">{</span>
<a name="l00112"></a>00112 <span class="comment"> WaitForSingleObject(fMutex, INFINITE);</span>
<a name="l00113"></a>00113 <span class="comment"> ReleaseMutex(fMutex);</span>
<a name="l00114"></a>00114 <span class="comment"> HANDLE handles[] = { fMutex, fEvent };</span>
<a name="l00115"></a>00115 <span class="comment"> DWORD res = WaitForMultipleObjects(2, handles, true, usec / 1000);</span>
<a name="l00116"></a>00116 <span class="comment"> if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT))</span>
<a name="l00117"></a>00117 <span class="comment"> jack_error("LockedTimedWait error err = %d", GetLastError());</span>
<a name="l00118"></a>00118 <span class="comment"> ResetEvent(fEvent);</span>
<a name="l00119"></a>00119 <span class="comment"> return (res == WAIT_OBJECT_0);</span>
<a name="l00120"></a>00120 <span class="comment">}</span>
<a name="l00121"></a>00121 <span class="comment">*/</span>
<a name="l00122"></a>00122
<a name="l00123"></a>00123 } <span class="comment">// end of namespace</span>
<a name="l00124"></a>00124
<a name="l00125"></a>00125
<a name="l00126"></a>00126
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