Jack2 1.9.8
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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 #ifndef __JackProcessSync__ 00021 #define __JackProcessSync__ 00022 00023 #include "JackPlatformPlug.h" 00024 #include "JackPosixMutex.h" 00025 #include "JackException.h" 00026 #include <sys/time.h> 00027 #include <unistd.h> 00028 00029 namespace Jack 00030 { 00031 00036 class JackProcessSync : public JackBasePosixMutex 00037 { 00038 00039 private: 00040 00041 pthread_cond_t fCond; // Condition variable 00042 00043 public: 00044 00045 JackProcessSync():JackBasePosixMutex() 00046 { 00047 int res = pthread_cond_init(&fCond, NULL); 00048 ThrowIf(res != 0, JackException("JackBasePosixMutex: could not init the cond variable")); 00049 } 00050 00051 virtual ~JackProcessSync() 00052 { 00053 pthread_cond_destroy(&fCond); 00054 } 00055 00056 bool TimedWait(long usec); 00057 bool LockedTimedWait(long usec); 00058 00059 void Wait(); 00060 void LockedWait(); 00061 00062 void Signal(); 00063 void LockedSignal(); 00064 00065 void SignalAll(); 00066 void LockedSignalAll(); 00067 00068 }; 00069 00070 } // end of namespace 00071 00072 #endif 00073