godot/drivers/unix/semaphore_posix.h

/*************************************************************************/
/*  semaphore_posix.h                                                    */
/*************************************************************************/
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
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#ifndef SEMAPHORE_POSIX_H
#define SEMAPHORE_POSIX_H

#include "core/os/semaphore.h"

#if (defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)) && !defined(OSX_ENABLED) && !defined(IPHONE_ENABLED)

#include <semaphore.h>

class SemaphorePosix : public Semaphore {

	mutable sem_t sem;

	static Semaphore *create_semaphore_posix();

public:
	virtual Error wait();
	virtual Error post();
	virtual int get() const;

	static void make_default();
	SemaphorePosix();

	~SemaphorePosix();
};

#endif
#endif