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//////////////////////////////////////////////////////////////////////////
// Semaphore.h
//
// This file contains the definition of the Semaphore class
//////////////////////////////////////////////////////////////////////////
#ifndef _LAD_SEMAPHORE_H
#define _LAD_SEMAPHORE_H

class OSSemaphore;

class Semaphore
{
public:
	Semaphore(int maxval = 1);
	Semaphore (const Semaphore &rhs);
	~Semaphore();

	void acquire(); // blocks until value !=0, and decrements the value
	void release(); // increments the value by 1
	bool acquireTry(); // try to acquire the semaphore: return 'true' if succeded

	Semaphore &operator=(const Semaphore &rhs);

private:
	OSSemaphore *_osSemaphore;
};

#endif //_LAD_SEMAPHORE_H