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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 __JackProcessSync__
#define __JackProcessSync__
#include "JackPlatformSynchro.h"
#include <pthread.h>
#include <sys/time.h>
#include <unistd.h>
namespace Jack
{
/*!
\brief A synchronization primitive built using a condition variable.
*/
class JackProcessSync
{
private:
pthread_mutex_t fLock; // Mutex
pthread_cond_t fCond; // Condition variable
public:
JackProcessSync()
{
pthread_mutex_init(&fLock, NULL);
pthread_cond_init(&fCond, NULL);
}
~JackProcessSync()
{
pthread_mutex_destroy(&fLock);
pthread_cond_destroy(&fCond);
}
bool Allocate(const char* name)
{
return true;
}
bool Connect(const char* name)
{
return true;
}
void Destroy()
{}
bool TimedWait(long usec);
void Wait();
void Signal()
{
pthread_mutex_lock(&fLock);
pthread_cond_signal(&fCond);
pthread_mutex_unlock(&fLock);
}
void SignalAll()
{
//pthread_mutex_lock(&fLock);
pthread_cond_broadcast(&fCond);
//pthread_mutex_unlock(&fLock);
}
};
/*!
\brief A synchronization primitive built using an inter-process synchronization object.
*/
class JackInterProcessSync
{
private:
JackSynchro* fSynchro;
public:
JackInterProcessSync(JackSynchro* synchro): fSynchro(synchro)
{}
~JackInterProcessSync()
{
delete fSynchro;
}
bool Allocate(const char* name)
{
return fSynchro->Allocate(name, "", 0);
}
void Destroy()
{
fSynchro->Destroy();
}
bool Connect(const char* name)
{
return fSynchro->Connect(name, "");
}
bool TimedWait(long usec);
void Wait()
{
fSynchro->Wait();
}
void SignalAll()
{
fSynchro->SignalAll();
}
};
} // end of namespace
#endif
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