virtualx-engine/core/os/thread.h
2014-02-09 22:10:30 -03:00

89 lines
3.2 KiB
C++

/*************************************************************************/
/* thread.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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_H
#define THREAD_H
#include "typedefs.h"
/**
@author Juan Linietsky <reduzio@gmail.com>
*/
typedef void (*ThreadCreateCallback)(void *p_userdata);
class Thread {
public:
enum Priority {
PRIORITY_LOW,
PRIORITY_NORMAL,
PRIORITY_HIGH
};
struct Settings {
Priority priority;
Settings() { priority=PRIORITY_NORMAL; }
};
typedef uint64_t ID;
protected:
static Thread* (*create_func)(ThreadCreateCallback p_callback,void *,const Settings&);
static ID (*get_thread_ID_func)();
static void (*wait_to_finish_func)(Thread*);
friend class Main;
static ID _main_thread_id;
Thread();
public:
virtual ID get_ID() const=0;
_FORCE_INLINE_ static ID get_main_ID() { return _main_thread_id; } ///< get the ID of the main thread
static ID get_caller_ID(); ///< get the ID of the caller function ID
static void wait_to_finish(Thread *p_thread); ///< waits until thread is finished, and deallocates it.
static Thread * create(ThreadCreateCallback p_callback,void * p_user,const Settings& p_settings=Settings()); ///< Static function to create a thread, will call p_callback
virtual ~Thread();
};
#endif