//#####################################################################
// Copyright 2005, Andrew Selle.
// This file is part of PhysBAM whose distribution is governed by the license contained in the accompanying file PHYSBAM_COPYRIGHT.txt.
//#####################################################################
#ifndef __THREAD_CONDITION__
#define __THREAD_CONDITION__

#include <cstdio>
#include <cstdlib>
#include <cassert>
#include "THREAD_LOCK.h"

#ifdef ENABLE_PTHREADS
#if defined(ALAMERE_PTHREADS)
#   include "alamere.h"
#else
#    include <pthread.h>
#endif
#endif //ENABLE_PTHREADS

namespace PhysBAM
{

#ifdef ENABLE_PTHREADS
class THREAD_CONDITION
{
private:
	pthread_cond_t cond;
public:

	THREAD_CONDITION()
	{
		pthread_cond_init (&cond, 0);
	}

	~THREAD_CONDITION()
	{
		pthread_cond_destroy (&cond);
	}

	void Wait (THREAD_LOCK& lock)
	{
		pthread_cond_wait (&cond, &lock.mutex);
	}

	void Signal()
	{
		pthread_cond_signal (&cond);
	}

	void Broadcast()
	{
		pthread_cond_broadcast (&cond);
	}
};
#else
class THREAD_CONDITION
{
public:
	THREAD_CONDITION()
	{}

	~THREAD_CONDITION()
	{}

	void Wait (THREAD_LOCK& lock)
	{}

	void Signal()
	{}

	void Broadcast()
	{}
};
#endif //ENABLE_PTHREADS
}
#endif