private int hleKernelLockLwMutex(
int uid, int count, int timeout_addr, boolean wait, boolean doCallbacks) {
SceKernelLwMutexInfo info = lwMutexMap.get(uid);
if (info == null) {
log.warn(
String.format(
"hleKernelLockLwMutex uid=%d, count=%d, timeout_addr=0x%08X, wait=%b, doCallbacks=%b - - unknown UID",
uid, count, timeout_addr, wait, doCallbacks));
return ERROR_KERNEL_LWMUTEX_NOT_FOUND;
}
ThreadManForUser threadMan = Modules.ThreadManForUserModule;
SceKernelThreadInfo currentThread = threadMan.getCurrentThread();
if (!tryLockLwMutex(info, count, currentThread)) {
if (log.isDebugEnabled()) {
log.debug(
String.format(
"hleKernelLockLwMutex %s, count=%d, timeout_addr=0x%08X, wait=%b, doCallbacks=%b - fast check failed",
info.toString(), count, timeout_addr, wait, doCallbacks));
}
if (wait && info.threadid != currentThread.uid) {
// Failed, but it's ok, just wait a little
info.numWaitThreads++;
// Wait on a specific lwmutex
currentThread.wait.LwMutex_id = uid;
currentThread.wait.LwMutex_count = count;
threadMan.hleKernelThreadEnterWaitState(
PSP_WAIT_LWMUTEX, uid, lwMutexWaitStateChecker, timeout_addr, doCallbacks);
} else {
if ((info.attr & PSP_LWMUTEX_ATTR_ALLOW_RECURSIVE) != PSP_LWMUTEX_ATTR_ALLOW_RECURSIVE) {
return ERROR_KERNEL_LWMUTEX_RECURSIVE_NOT_ALLOWED;
}
return ERROR_KERNEL_LWMUTEX_LOCKED;
}
} else {
// Success, do not reschedule the current thread.
if (log.isDebugEnabled()) {
log.debug(
String.format(
"hleKernelLockLwMutex %s, count=%d, timeout_addr=0x%08X, wait=%b, doCallbacks=%b - fast check succeeded",
info.toString(), count, timeout_addr, wait, doCallbacks));
}
}
return 0;
}
