Jack2 1.9.8

JackProcessSync.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 __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