Jack2 1.9.6

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 <sys/time.h>
00026 #include <unistd.h>
00027 
00028 namespace Jack
00029 {
00030 
00035 class JackProcessSync : public JackBasePosixMutex
00036 {
00037 
00038     private:
00039 
00040         pthread_cond_t fCond;   // Condition variable
00041 
00042     public:
00043 
00044         JackProcessSync():JackBasePosixMutex()
00045         {
00046             pthread_cond_init(&fCond, NULL);
00047         }
00048 
00049         virtual ~JackProcessSync()
00050         {
00051             pthread_cond_destroy(&fCond);
00052         }
00053 
00054         bool TimedWait(long usec);
00055         bool LockedTimedWait(long usec);
00056         
00057         void Wait();
00058         void LockedWait();
00059          
00060         void Signal();
00061         void LockedSignal();
00062          
00063         void SignalAll();
00064         void LockedSignalAll();
00065   
00066 };
00067 
00068 } // end of namespace
00069 
00070 #endif
00071