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();
}
}
private void onLwMutexDeleted(int lwmid) {
ThreadManForUser threadMan = Modules.ThreadManForUserModule;
boolean reschedule = false;
for (Iterator<SceKernelThreadInfo> it = threadMan.iterator(); it.hasNext(); ) {
SceKernelThreadInfo thread = it.next();
if (thread.isWaitingForType(PSP_WAIT_LWMUTEX) && thread.wait.LwMutex_id == lwmid) {
thread.cpuContext.gpr[2] = ERROR_KERNEL_WAIT_DELETE;
threadMan.hleChangeThreadState(thread, PSP_THREAD_READY);
reschedule = true;
}
}
// Reschedule only if threads waked up.
if (reschedule) {
threadMan.hleRescheduleCurrentThread();
}
}
