Ejemplo n.º 1
0
void _sys_ppu_thread_exit(PPUThread& ppu, u64 errorcode)
{
	sys_ppu_thread.trace("_sys_ppu_thread_exit(errorcode=0x%llx)", errorcode);

	LV2_LOCK;

	// get all sys_mutex objects
	for (auto& mutex : idm::get_all<lv2_mutex_t>())
	{
		// unlock mutex if locked by this thread
		if (mutex->owner.get() == &ppu)
		{
			mutex->unlock(lv2_lock);
		}
	}

	if (!ppu.is_joinable)
	{
		idm::remove<PPUThread>(ppu.get_id());
	}
	else
	{
		ppu.exit();
	}

	// Throw if this syscall was not called directly by the SC instruction
	if (~ppu.hle_code != 41)
	{
		throw CPUThreadExit{};
	}
}
Ejemplo n.º 2
0
s32 sys_ppu_thread_get_id(PPUThread& ppu, vm::ptr<u64> thread_id)
{
	sysPrxForUser.Log("sys_ppu_thread_get_id(thread_id=*0x%x)", thread_id);

	*thread_id = ppu.get_id();

	return CELL_OK;
}
Ejemplo n.º 3
0
s32 sys_lwcond_signal(PPUThread& ppu, vm::ptr<sys_lwcond_t> lwcond)
{
	sysPrxForUser.trace("sys_lwcond_signal(lwcond=*0x%x)", lwcond);

	const vm::ptr<sys_lwmutex_t> lwmutex = lwcond->lwmutex;

	if ((lwmutex->attribute & SYS_SYNC_ATTR_PROTOCOL_MASK) == SYS_SYNC_RETRY)
	{
		// TODO (protocol ignored)
		//return _sys_lwcond_signal(lwcond->lwcond_queue, 0, -1, 2);
	}

	if (lwmutex->vars.owner.load() == ppu.get_id())
	{
		// if owns the mutex
		lwmutex->all_info++;

		// call the syscall
		if (s32 res = _sys_lwcond_signal(lwcond->lwcond_queue, lwmutex->sleep_queue, -1, 1))
		{
			lwmutex->all_info--;

			return res == CELL_EPERM ? CELL_OK : res;
		}

		return CELL_OK;
	}

	if (s32 res = sys_lwmutex_trylock(ppu, lwmutex))
	{
		// if locking failed

		if (res != CELL_EBUSY)
		{
			return CELL_ESRCH;
		}

		// call the syscall
		return _sys_lwcond_signal(lwcond->lwcond_queue, 0, -1, 2);
	}

	// if locking succeeded
	lwmutex->all_info++;

	// call the syscall
	if (s32 res = _sys_lwcond_signal(lwcond->lwcond_queue, lwmutex->sleep_queue, -1, 3))
	{
		lwmutex->all_info--;

		// unlock the lightweight mutex
		sys_lwmutex_unlock(ppu, lwmutex);

		return res == CELL_ENOENT ? CELL_OK : res;
	}

	return CELL_OK;
}
Ejemplo n.º 4
0
s32 sys_lwcond_signal_all(PPUThread& ppu, vm::ptr<sys_lwcond_t> lwcond)
{
	sysPrxForUser.trace("sys_lwcond_signal_all(lwcond=*0x%x)", lwcond);

	const vm::ptr<sys_lwmutex_t> lwmutex = lwcond->lwmutex;

	if ((lwmutex->attribute & SYS_SYNC_ATTR_PROTOCOL_MASK) == SYS_SYNC_RETRY)
	{
		// TODO (protocol ignored)
		//return _sys_lwcond_signal_all(lwcond->lwcond_queue, lwmutex->sleep_queue, 2);
	}

	if (lwmutex->vars.owner.load() == ppu.get_id())
	{
		// if owns the mutex, call the syscall
		const s32 res = _sys_lwcond_signal_all(lwcond->lwcond_queue, lwmutex->sleep_queue, 1);

		if (res <= 0)
		{
			// return error or CELL_OK
			return res;
		}

		lwmutex->all_info += res;

		return CELL_OK;
	}

	if (s32 res = sys_lwmutex_trylock(ppu, lwmutex))
	{
		// if locking failed

		if (res != CELL_EBUSY)
		{
			return CELL_ESRCH;
		}

		// call the syscall
		return _sys_lwcond_signal_all(lwcond->lwcond_queue, lwmutex->sleep_queue, 2);
	}

	// if locking succeeded, call the syscall
	s32 res = _sys_lwcond_signal_all(lwcond->lwcond_queue, lwmutex->sleep_queue, 1);

	if (res > 0)
	{
		lwmutex->all_info += res;

		res = CELL_OK;
	}

	// unlock mutex
	sys_lwmutex_unlock(ppu, lwmutex);

	return res;
}
Ejemplo n.º 5
0
s32 sys_lwcond_wait(PPUThread& ppu, vm::ptr<sys_lwcond_t> lwcond, u64 timeout)
{
	sysPrxForUser.trace("sys_lwcond_wait(lwcond=*0x%x, timeout=0x%llx)", lwcond, timeout);

	const be_t<u32> tid = ppu.get_id();

	const vm::ptr<sys_lwmutex_t> lwmutex = lwcond->lwmutex;

	if (lwmutex->vars.owner.load() != tid)
	{
		// if not owner of the mutex
		return CELL_EPERM;
	}

	// save old recursive value
	const be_t<u32> recursive_value = lwmutex->recursive_count;

	// set special value
	lwmutex->vars.owner = lwmutex_reserved;
	lwmutex->recursive_count = 0;

	// call the syscall
	s32 res = _sys_lwcond_queue_wait(ppu, lwcond->lwcond_queue, lwmutex->sleep_queue, timeout);

	if (res == CELL_OK || res == CELL_ESRCH)
	{
		if (res == CELL_OK)
		{
			lwmutex->all_info--;
		}

		// restore owner and recursive value
		const auto old = lwmutex->vars.owner.exchange(tid);
		lwmutex->recursive_count = recursive_value;

		if (old != lwmutex_reserved)
		{
			throw EXCEPTION("Locking failed (lwmutex=*0x%x, owner=0x%x)", lwmutex, old);
		}

		return res;
	}

	if (res == CELL_EBUSY || res == CELL_ETIMEDOUT)
	{
		const s32 res2 = sys_lwmutex_lock(ppu, lwmutex, 0);

		if (res2 == CELL_OK)
		{
			// if successfully locked, restore recursive value
			lwmutex->recursive_count = recursive_value;

			return res == CELL_EBUSY ? CELL_OK : res;
		}

		return res2;
	}

	if (res == CELL_EDEADLK)
	{
		// restore owner and recursive value
		const auto old = lwmutex->vars.owner.exchange(tid);
		lwmutex->recursive_count = recursive_value;

		if (old != lwmutex_reserved)
		{
			throw EXCEPTION("Locking failed (lwmutex=*0x%x, owner=0x%x)", lwmutex, old);
		}

		return CELL_ETIMEDOUT;
	}

	throw EXCEPTION("Unexpected syscall result (lwcond=*0x%x, result=0x%x)", lwcond, res);
}