Files
love/src/modules/thread/sdl/threads.h
T
rude 81c38e22d0 Applied the new style guidelines.
Well, sort of. Lot's more to be done, but this is a start.
2012-06-28 23:52:33 +02:00

108 lines
2.2 KiB
C++

/**
* Copyright (c) 2006-2012 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_THREAD_SDL_THREADS_H
#define LOVE_THREAD_SDL_THREADS_H
#include "SDL.h"
#include "common/config.h"
namespace love
{
namespace thread
{
class Mutex
{
public:
Mutex();
~Mutex();
void lock();
void unlock();
private:
SDL_mutex *mutex;
Mutex(const Mutex &/* mutex*/) {}
friend class Conditional;
};
class ThreadBase
{
public:
ThreadBase();
virtual ~ThreadBase();
bool start();
void wait();
void kill(); // FIXME: not supported by SDL (SDL's kill is probably cancel)?
static unsigned int threadId();
protected:
virtual void main() = 0;
private:
SDL_Thread *thread;
ThreadBase(ThreadBase &/* thread*/) {}
bool running;
static int thread_runner(void *param);
};
class Semaphore
{
public:
Semaphore(unsigned int initial_value);
~Semaphore();
unsigned int value();
void post();
bool wait(int timeout = -1);
bool tryWait();
private:
Semaphore(const Semaphore &/* sem*/) {}
SDL_sem *semaphore;
};
// Should conditional inherit from mutex?
class Conditional
{
public:
Conditional();
~Conditional();
void signal();
void broadcast();
bool wait(Mutex *mutex, int timeout=-1);
private:
SDL_cond *cond;
};
} // thread
} // love
#endif // LOVE_THREAD_SDL_THREADS_H