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/*
Copyright (C) 2004-2008 Grame
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __JackPosixProcessSync__
#define __JackPosixProcessSync__
#include "JackPosixMutex.h"
#include "JackException.h"
#include <sys/time.h>
#include <unistd.h>
namespace Jack
{
/*!
\brief A synchronization primitive built using a condition variable.
*/
class JackPosixProcessSync : public JackBasePosixMutex
{
private:
pthread_cond_t fCond; // Condition variable
public:
JackPosixProcessSync(const char* name = NULL):JackBasePosixMutex()
{
int res = pthread_cond_init(&fCond, NULL);
ThrowIf(res != 0, JackException("JackBasePosixMutex: could not init the cond variable"));
}
virtual ~JackPosixProcessSync()
{
pthread_cond_destroy(&fCond);
}
bool TimedWait(long usec);
bool LockedTimedWait(long usec);
void Wait();
void LockedWait();
void Signal();
void LockedSignal();
void SignalAll();
void LockedSignalAll();
};
} // end of namespace
#endif
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