godot/core/os/thread_dummy.h

/*************************************************************************/
/*  thread_dummy.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 THREAD_DUMMY_H
#define THREAD_DUMMY_H

#include "core/os/mutex.h"
#include "core/os/rw_lock.h"
#include "core/os/semaphore.h"
#include "core/os/thread.h"

class ThreadDummy : public Thread {

	static Thread *create(ThreadCreateCallback p_callback, void *p_user, const Settings &p_settings = Settings());

public:
	virtual ID get_id() const { return 0; };

	static void make_default();
};

class MutexDummy : public Mutex {

	static Mutex *create(bool p_recursive);

public:
	virtual void lock(){};
	virtual void unlock(){};
	virtual Error try_lock() { return OK; };

	static void make_default();
};

class SemaphoreDummy : public Semaphore {

	static Semaphore *create();

public:
	virtual Error wait() { return OK; };
	virtual Error post() { return OK; };
	virtual int get() const { return 0; }; ///< get semaphore value

	static void make_default();
};

class RWLockDummy : public RWLock {

	static RWLock *create();

public:
	virtual void read_lock() {}
	virtual void read_unlock() {}
	virtual Error read_try_lock() { return OK; }

	virtual void write_lock() {}
	virtual void write_unlock() {}
	virtual Error write_try_lock() { return OK; }

	static void make_default();
};

#endif