Jack2 1.9.6
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00001 /* 00002 Copyright (C) 2004-2008 Grame 00003 00004 This program is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU Lesser General Public License as published by 00006 the Free Software Foundation; either version 2.1 of the License, or 00007 (at your option) any later version. 00008 00009 This program is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 GNU Lesser General Public License for more details. 00013 00014 You should have received a copy of the GNU Lesser General Public License 00015 along with this program; if not, write to the Free Software 00016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 */ 00019 00020 00021 #include "JackWinProcessSync.h" 00022 #include "JackError.h" 00023 00024 namespace Jack 00025 { 00026 00027 void JackWinProcessSync::Signal() 00028 { 00029 SetEvent(fEvent); 00030 } 00031 00032 void JackWinProcessSync::LockedSignal() 00033 { 00034 WaitForSingleObject(fMutex, INFINITE); 00035 SetEvent(fEvent); 00036 ReleaseMutex(fMutex); 00037 } 00038 00039 void JackWinProcessSync::SignalAll() 00040 { 00041 SetEvent(fEvent); 00042 } 00043 00044 void JackWinProcessSync::LockedSignalAll() 00045 { 00046 WaitForSingleObject(fMutex, INFINITE); 00047 SetEvent(fEvent); 00048 ReleaseMutex(fMutex); 00049 } 00050 00051 void JackWinProcessSync::Wait() 00052 { 00053 ReleaseMutex(fMutex); 00054 WaitForSingleObject(fEvent, INFINITE); 00055 } 00056 00057 void JackWinProcessSync::LockedWait() 00058 { 00059 /* Does it make sense on Windows, use non-locked version for now... */ 00060 Wait(); 00061 } 00062 00063 bool JackWinProcessSync::TimedWait(long usec) 00064 { 00065 ReleaseMutex(fMutex); 00066 DWORD res = WaitForSingleObject(fEvent, usec / 1000); 00067 return (res == WAIT_OBJECT_0); 00068 } 00069 00070 bool JackWinProcessSync::LockedTimedWait(long usec) 00071 { 00072 /* Does it make sense on Windows, use non-locked version for now...*/ 00073 return TimedWait(usec); 00074 } 00075 00076 /* 00077 Code from CAGuard.cpp : does ot sees to work as expected.. 00078 00079 void JackWinProcessSync::Wait() 00080 { 00081 ReleaseMutex(fMutex); 00082 HANDLE handles[] = { fMutex, fEvent }; 00083 DWORD res = WaitForMultipleObjects(2, handles, true, INFINITE); 00084 if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT)) 00085 jack_error("Wait error err = %d", GetLastError()); 00086 ResetEvent(fEvent); 00087 } 00088 00089 void JackWinProcessSync::LockedWait() 00090 { 00091 WaitForSingleObject(fMutex, INFINITE); 00092 ReleaseMutex(fMutex); 00093 HANDLE handles[] = { fMutex, fEvent }; 00094 DWORD res = WaitForMultipleObjects(2, handles, true, INFINITE); 00095 if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT)) 00096 jack_error("LockedWait error err = %d", GetLastError()); 00097 ResetEvent(fEvent); 00098 } 00099 00100 bool JackWinProcessSync::TimedWait(long usec) 00101 { 00102 ReleaseMutex(fMutex); 00103 HANDLE handles[] = { fMutex, fEvent }; 00104 DWORD res = WaitForMultipleObjects(2, handles, true, usec / 1000); 00105 if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT)) 00106 jack_error("Wait error err = %d", GetLastError()); 00107 ResetEvent(fEvent); 00108 } 00109 00110 bool JackWinProcessSync::LockedTimedWait(long usec) 00111 { 00112 WaitForSingleObject(fMutex, INFINITE); 00113 ReleaseMutex(fMutex); 00114 HANDLE handles[] = { fMutex, fEvent }; 00115 DWORD res = WaitForMultipleObjects(2, handles, true, usec / 1000); 00116 if ((res != WAIT_OBJECT_0) && (res != WAIT_TIMEOUT)) 00117 jack_error("LockedTimedWait error err = %d", GetLastError()); 00118 ResetEvent(fEvent); 00119 return (res == WAIT_OBJECT_0); 00120 } 00121 */ 00122 00123 } // end of namespace 00124 00125 00126