/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2010-2014, Tomasz Sowa
 * All rights reserved.
 * 
 */

#include <errno.h>
#include "synchro.h"


namespace Winix
{



Synchro::Synchro() : mutex(PTHREAD_MUTEX_INITIALIZER)
{
	was_stop_signal = false;
	ref = 0;
}



bool Synchro::Lock()
{
	int res = pthread_mutex_lock(&mutex);

	if( res == EDEADLK )
	{
		// Lock() method in this thread was called before
		ref += 1;
		return true;
	}
	else
	{
		ref = 0;
	}

return res == 0;
}



void Synchro::Unlock()
{
	if( ref > 0 )
	{
		ref -= 1;
	}
	else
	{
		pthread_mutex_unlock(&mutex);
	}
}




} // namespace Winix