private void onLwMutexModified(SceKernelLwMutexInfo info) {
ThreadManForUser threadMan = Modules.ThreadManForUserModule;
boolean reschedule = false;
if ((info.attr & PSP_LWMUTEX_ATTR_PRIORITY) == PSP_LWMUTEX_ATTR_FIFO) {
for (Iterator<SceKernelThreadInfo> it = Modules.ThreadManForUserModule.iterator();
it.hasNext(); ) {
SceKernelThreadInfo thread = it.next();
if (thread.isWaitingForType(PSP_WAIT_LWMUTEX)
&& thread.wait.LwMutex_id == info.uid
&& tryLockLwMutex(info, thread.wait.LwMutex_count, thread)) {
// New thread is taking control of LwMutex.
info.threadid = thread.uid;
// Update numWaitThreads
info.numWaitThreads--;
// Return success or failure
thread.cpuContext.gpr[2] = 0;
// Wakeup
threadMan.hleChangeThreadState(thread, PSP_THREAD_READY);
reschedule = true;
}
}
} else if ((info.attr & PSP_LWMUTEX_ATTR_PRIORITY) == PSP_LWMUTEX_ATTR_PRIORITY) {
for (Iterator<SceKernelThreadInfo> it = Modules.ThreadManForUserModule.iteratorByPriority();
it.hasNext(); ) {
SceKernelThreadInfo thread = it.next();
if (thread.isWaitingForType(PSP_WAIT_LWMUTEX)
&& thread.wait.LwMutex_id == info.uid
&& tryLockLwMutex(info, thread.wait.LwMutex_count, thread)) {
// New thread is taking control of LwMutex.
info.threadid = thread.uid;
// Update numWaitThreads
info.numWaitThreads--;
// Return success or failure
thread.cpuContext.gpr[2] = 0;
// Wakeup
threadMan.hleChangeThreadState(thread, PSP_THREAD_READY);
reschedule = true;
}
}
}
// Reschedule only if threads waked up.
if (reschedule) {
Modules.ThreadManForUserModule.hleRescheduleCurrentThread();
}
}
@HLEFunction(nid = 0xB287BD61, version = 150)
public int sceGeDrawSync(@CheckArgument("checkMode") int mode) {
if (mode == 0 && IntrManager.getInstance().isInsideInterrupt()) {
log.debug("sceGeDrawSync (mode==0) cannot be called inside an interrupt handler!");
return SceKernelErrors.ERROR_KERNEL_CANNOT_BE_CALLED_FROM_INTERRUPT;
}
// no synchronization on "this" required because we are not accessing
// local data, only list information from the VideoEngine.
int result = 0;
if (mode == 0) {
PspGeList lastList;
if (ExternalGE.isActive()) {
lastList = ExternalGE.getLastDrawList();
} else {
lastList = VideoEngine.getInstance().getLastDrawList();
}
if (lastList != null) {
blockCurrentThreadOnList(lastList, new HLEAfterDrawSyncAction());
} else {
if (log.isDebugEnabled()) {
log.debug("sceGeDrawSync all lists completed, not waiting");
}
hleGeAfterDrawSyncAction();
Modules.ThreadManForUserModule.hleRescheduleCurrentThread();
}
} else if (mode == 1) {
PspGeList currentList;
if (ExternalGE.isActive()) {
currentList = ExternalGE.getFirstDrawList();
} else {
currentList = VideoEngine.getInstance().getFirstDrawList();
}
if (currentList != null) {
result = currentList.status;
}
if (log.isDebugEnabled()) {
log.debug(String.format("sceGeDrawSync mode=%d, returning %d", mode, result));
}
}
return result;
}
