godot/core/os/thread_dummy.h
Juan Linietsky c613ead5fa Added a spinlock template as well as a thread work pool class.
Also, optimized shader compilation to happen on threads.
2020-02-11 11:53:29 +01:00

90 lines
3.3 KiB
C++

/*************************************************************************/
/* thread_dummy.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#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 SemaphoreOld {
static SemaphoreOld *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