semaph_t.hpp

#ifndef __semaphore_t_h__
#define __semaphore_t_h__

#ifdef __APPLE__

#include <mach/mach_init.h>
#include <mach/task.h>
#include <mach/semaphore.h>

class semaph_t
{
	public:
		semaph_t(int initial = 0)
		{
			semaphore_create(mach_task_self(), &_sem, SYNC_POLICY_FIFO, initial);
		}

		~semaph_t()
		{
			semaphore_destroy(mach_task_self(), _sem);
		}

		void post()
		{
			semaphore_signal(_sem);
		}

		void wait()
		{
			semaphore_wait(_sem);
		}

	private:
		semaphore_t _sem;
};

#else /* __APPLE__ */

#include <semaphore.h>

class semaph_t
{
	public:
		semaph_t(int initial = 0)
		{
			sem_init(&_sem, 0, initial);
		}

		~semaph_t()
		{
			sem_destroy(&_sem);
		}

		void post()
		{
			sem_post(&_sem);
		}

		void wait()
		{
			sem_wait(&_sem);
		}

	private:
		sem_t _sem;
};

#endif /* __APPLE__ */

#endif /* __semaphore_t_h__ */