Jack2 1.9.10

JackPosixProcessSync.h

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 __JackPosixProcessSync__
00021 #define __JackPosixProcessSync__
00022 
00023 #include "JackPosixMutex.h"
00024 #include "JackException.h"
00025 #include <sys/time.h>
00026 #include <unistd.h>
00027 
00028 namespace Jack
00029 {
00030 
00035 class JackPosixProcessSync : public JackBasePosixMutex
00036 {
00037 
00038     private:
00039 
00040         pthread_cond_t fCond;   // Condition variable
00041 
00042     public:
00043 
00044         JackPosixProcessSync(const char* name = NULL):JackBasePosixMutex()
00045         {
00046             int res = pthread_cond_init(&fCond, NULL);
00047             ThrowIf(res != 0, JackException("JackBasePosixMutex: could not init the cond variable"));
00048         }
00049 
00050         virtual ~JackPosixProcessSync()
00051         {
00052             pthread_cond_destroy(&fCond);
00053         }
00054 
00055         bool TimedWait(long usec);
00056         bool LockedTimedWait(long usec);
00057 
00058         void Wait();
00059         void LockedWait();
00060 
00061         void Signal();
00062         void LockedSignal();
00063 
00064         void SignalAll();
00065         void LockedSignalAll();
00066 
00067 };
00068 
00069 } // end of namespace
00070 
00071 #endif
00072