error_code sys_lwmutex_destroy(ppu_thread& ppu, vm::ptr<sys_lwmutex_t> lwmutex)
{
sysPrxForUser.trace("sys_lwmutex_destroy(lwmutex=*0x%x)", lwmutex);
if (g_cfg.core.hle_lwmutex)
{
return sys_mutex_destroy(lwmutex->sleep_queue);
}
// check to prevent recursive locking in the next call
if (lwmutex->vars.owner.load() == ppu.id)
{
return CELL_EBUSY;
}
// attempt to lock the mutex
if (error_code res = sys_lwmutex_trylock(ppu, lwmutex))
{
return res;
}
// call the syscall
if (error_code res = _sys_lwmutex_destroy(lwmutex->sleep_queue))
{
// unlock the mutex if failed
sys_lwmutex_unlock(ppu, lwmutex);
return res;
}
// deleting succeeded
lwmutex->vars.owner.release(lwmutex_dead);
return CELL_OK;
}
s32 sys_lwmutex_destroy(PPUThread& CPU, vm::ptr<sys_lwmutex_t> lwmutex)
{
sysPrxForUser.Log("sys_lwmutex_destroy(lwmutex=*0x%x)", lwmutex);
// check to prevent recursive locking in the next call
if (lwmutex->owner.read_relaxed() == CPU.GetId())
{
return CELL_EBUSY;
}
// attempt to lock the mutex
if (s32 res = sys_lwmutex_trylock(CPU, lwmutex))
{
return res;
}
// call the syscall
if (s32 res = _sys_lwmutex_destroy(lwmutex->sleep_queue))
{
// unlock the mutex if failed
sys_lwmutex_unlock(CPU, lwmutex);
return res;
}
// deleting succeeded
lwmutex->owner.exchange(lwmutex::dead);
return CELL_OK;
}
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;
}
s32 sys_lwcond_signal_to(PPUThread& CPU, vm::ptr<sys_lwcond_t> lwcond, u32 ppu_thread_id)
{
sysPrxForUser.Log("sys_lwcond_signal_to(lwcond=*0x%x, ppu_thread_id=0x%x)", lwcond, ppu_thread_id);
const vm::ptr<sys_lwmutex_t> lwmutex = lwcond->lwmutex;
if ((lwmutex->attribute.data() & se32(SYS_SYNC_ATTR_PROTOCOL_MASK)) == se32(SYS_SYNC_RETRY))
{
// TODO (protocol ignored)
//return _sys_lwcond_signal(lwcond->lwcond_queue, 0, ppu_thread_id, 2);
}
if (lwmutex->owner.read_relaxed() == CPU.GetId())
{
// if owns the mutex
lwmutex->all_info++;
// call the syscall
if (s32 res = _sys_lwcond_signal(lwcond->lwcond_queue, lwmutex->sleep_queue, ppu_thread_id, 1))
{
lwmutex->all_info--;
return res;
}
return CELL_OK;
}
if (s32 res = sys_lwmutex_trylock(CPU, lwmutex))
{
// if locking failed
if (res != CELL_EBUSY)
{
return CELL_ESRCH;
}
// call the syscall
return _sys_lwcond_signal(lwcond->lwcond_queue, 0, ppu_thread_id, 2);
}
// if locking succeeded
lwmutex->all_info++;
// call the syscall
if (s32 res = _sys_lwcond_signal(lwcond->lwcond_queue, lwmutex->sleep_queue, ppu_thread_id, 3))
{
lwmutex->all_info--;
// unlock the lightweight mutex
sys_lwmutex_unlock(CPU, lwmutex);
return res;
}
return CELL_OK;
}
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;
}
s32 sys_lwcond_signal_all(PPUThread& CPU, vm::ptr<sys_lwcond_t> lwcond)
{
sysPrxForUser.Log("sys_lwcond_signal_all(lwcond=*0x%x)", lwcond);
const vm::ptr<sys_lwmutex_t> lwmutex = lwcond->lwmutex;
if ((lwmutex->attribute.data() & se32(SYS_SYNC_ATTR_PROTOCOL_MASK)) == se32(SYS_SYNC_RETRY))
{
// TODO (protocol ignored)
//return _sys_lwcond_signal_all(lwcond->lwcond_queue, lwmutex->sleep_queue, 2);
}
if (lwmutex->owner.read_relaxed() == CPU.GetId())
{
// 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(CPU, 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(CPU, lwmutex);
return res;
}
int __libc_lock_try_acquire(__libc_lock_t *lock)
{
if(SYS_LWMUTEX_UNINITIALIZED(lock))
__libc_auto_lock_allocate(lock);
return sys_lwmutex_trylock(lock);
}
