void __KernelEventFlagTimeout(u64 userdata, int cycleslate)
{
SceUID threadID = (SceUID)userdata;
u32 error;
u32 timeoutPtr = __KernelGetWaitTimeoutPtr(threadID, error);
if (timeoutPtr != 0)
Memory::Write_U32(0, timeoutPtr);
SceUID flagID = __KernelGetWaitID(threadID, WAITTYPE_EVENTFLAG, error);
EventFlag *e = kernelObjects.Get<EventFlag>(flagID, error);
if (e)
{
for (size_t i = 0; i < e->waitingThreads.size(); i++)
{
EventFlagTh *t = &e->waitingThreads[i];
if (t->tid == threadID)
{
bool wokeThreads;
// This thread isn't waiting anymore, but we'll remove it from waitingThreads later.
// The reason is, if it times out, but what it was waiting on is DELETED prior to it
// actually running, it will get a DELETE result instead of a TIMEOUT.
// So, we need to remember it or we won't be able to mark it DELETE instead later.
__KernelUnlockEventFlagForThread(e, *t, error, SCE_KERNEL_ERROR_WAIT_TIMEOUT, wokeThreads);
e->nef.numWaitThreads--;
break;
}
}
}
}
u32 sceKernelSetEventFlag(SceUID id, u32 bitsToSet)
{
u32 error;
DEBUG_LOG(HLE, "sceKernelSetEventFlag(%i, %08x)", id, bitsToSet);
EventFlag *e = kernelObjects.Get<EventFlag>(id, error);
if (e)
{
bool wokeThreads = false;
e->nef.currentPattern |= bitsToSet;
for (size_t i = 0; i < e->waitingThreads.size(); ++i)
{
EventFlagTh *t = &e->waitingThreads[i];
if (__KernelUnlockEventFlagForThread(e, *t, error, 0, wokeThreads))
{
e->waitingThreads.erase(e->waitingThreads.begin() + i);
// Try the one that used to be in this place next.
--i;
}
}
if (wokeThreads)
hleReSchedule("event flag set");
return 0;
}
else
{
return error;
}
}
bool __KernelClearEventFlagThreads(EventFlag *e, int reason)
{
u32 error;
bool wokeThreads = false;
std::vector<EventFlagTh>::iterator iter, end;
for (iter = e->waitingThreads.begin(), end = e->waitingThreads.end(); iter != end; ++iter)
__KernelUnlockEventFlagForThread(e, *iter, error, reason, wokeThreads);
e->waitingThreads.clear();
return wokeThreads;
}
void __KernelEventFlagEndCallback(SceUID threadID, SceUID prevCallbackId, u32 &returnValue)
{
SceUID pauseKey = prevCallbackId == 0 ? threadID : prevCallbackId;
u32 error;
SceUID flagID = __KernelGetWaitID(threadID, WAITTYPE_EVENTFLAG, error);
u32 timeoutPtr = __KernelGetWaitTimeoutPtr(threadID, error);
EventFlag *flag = flagID == 0 ? NULL : kernelObjects.Get<EventFlag>(flagID, error);
if (!flag || flag->pausedWaits.find(pauseKey) == flag->pausedWaits.end())
{
// TODO: Since it was deleted, we don't know how long was actually left.
// For now, we just say the full time was taken.
if (timeoutPtr != 0 && eventFlagWaitTimer != -1)
Memory::Write_U32(0, timeoutPtr);
__KernelResumeThreadFromWait(threadID, SCE_KERNEL_ERROR_WAIT_DELETE);
return;
}
EventFlagTh waitData = flag->pausedWaits[pauseKey];
u64 waitDeadline = waitData.pausedTimeout;
flag->pausedWaits.erase(pauseKey);
// TODO: Don't wake up if __KernelCurHasReadyCallbacks()?
bool wokeThreads;
// Attempt to unlock.
if (__KernelUnlockEventFlagForThread(flag, waitData, error, 0, wokeThreads))
return;
// We only check if it timed out if it couldn't unlock.
s64 cyclesLeft = waitDeadline - CoreTiming::GetTicks();
if (cyclesLeft < 0 && waitDeadline != 0)
{
if (timeoutPtr != 0 && eventFlagWaitTimer != -1)
Memory::Write_U32(0, timeoutPtr);
__KernelResumeThreadFromWait(threadID, SCE_KERNEL_ERROR_WAIT_TIMEOUT);
}
else
{
if (timeoutPtr != 0 && eventFlagWaitTimer != -1)
CoreTiming::ScheduleEvent(cyclesLeft, eventFlagWaitTimer, __KernelGetCurThread());
// TODO: Should this not go at the end?
flag->waitingThreads.push_back(waitData);
DEBUG_LOG(HLE, "sceKernelWaitEventFlagCB: Resuming lock wait for callback");
}
}
