mirror of
https://github.com/yuzu-mirror/yuzu.git
synced 2024-09-07 12:29:07 +01:00
kernel: KLightConditionVariable: Update implementation to 12.x
Updates the implementation of KLightConditionVariable to FW 12.x
This commit is contained in:
parent
4547b2735a
commit
aa79ca7a7a
2 changed files with 31 additions and 14 deletions
|
@ -18,41 +18,58 @@ class KernelCore;
|
|||
|
||||
class KLightConditionVariable {
|
||||
public:
|
||||
explicit KLightConditionVariable(KernelCore& kernel_)
|
||||
: thread_queue(kernel_), kernel(kernel_) {}
|
||||
explicit KLightConditionVariable(KernelCore& kernel_) : kernel{kernel_} {}
|
||||
|
||||
void Wait(KLightLock* lock, s64 timeout = -1) {
|
||||
WaitImpl(lock, timeout);
|
||||
lock->Lock();
|
||||
void Wait(KLightLock* lock, s64 timeout = -1, bool allow_terminating_thread = true) {
|
||||
WaitImpl(lock, timeout, allow_terminating_thread);
|
||||
}
|
||||
|
||||
void Broadcast() {
|
||||
KScopedSchedulerLock lk{kernel};
|
||||
while (thread_queue.WakeupFrontThread() != nullptr) {
|
||||
// We want to signal all threads, and so should continue waking up until there's nothing
|
||||
// to wake.
|
||||
|
||||
// Signal all threads.
|
||||
for (auto& thread : wait_list) {
|
||||
thread.SetState(ThreadState::Runnable);
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
void WaitImpl(KLightLock* lock, s64 timeout) {
|
||||
void WaitImpl(KLightLock* lock, s64 timeout, bool allow_terminating_thread) {
|
||||
KThread* owner = GetCurrentThreadPointer(kernel);
|
||||
|
||||
// Sleep the thread.
|
||||
{
|
||||
KScopedSchedulerLockAndSleep lk(kernel, owner, timeout);
|
||||
lock->Unlock();
|
||||
KScopedSchedulerLockAndSleep lk{kernel, owner, timeout};
|
||||
|
||||
if (!thread_queue.SleepThread(owner)) {
|
||||
if (!allow_terminating_thread && owner->IsTerminationRequested()) {
|
||||
lk.CancelSleep();
|
||||
return;
|
||||
}
|
||||
|
||||
lock->Unlock();
|
||||
|
||||
// Set the thread as waiting.
|
||||
GetCurrentThread(kernel).SetState(ThreadState::Waiting);
|
||||
|
||||
// Add the thread to the queue.
|
||||
wait_list.push_back(GetCurrentThread(kernel));
|
||||
}
|
||||
|
||||
// Remove the thread from the wait list.
|
||||
{
|
||||
KScopedSchedulerLock sl{kernel};
|
||||
|
||||
wait_list.erase(wait_list.iterator_to(GetCurrentThread(kernel)));
|
||||
}
|
||||
|
||||
// Cancel the task that the sleep setup.
|
||||
kernel.TimeManager().UnscheduleTimeEvent(owner);
|
||||
|
||||
// Re-acquire the lock.
|
||||
lock->Lock();
|
||||
}
|
||||
KThreadQueue thread_queue;
|
||||
|
||||
KernelCore& kernel;
|
||||
KThread::WaiterList wait_list{};
|
||||
};
|
||||
} // namespace Kernel
|
||||
|
|
|
@ -117,7 +117,7 @@ bool KResourceLimit::Reserve(LimitableResource which, s64 value, s64 timeout) {
|
|||
if (current_hints[index] + value <= limit_values[index] &&
|
||||
(timeout < 0 || core_timing->GetGlobalTimeNs().count() < timeout)) {
|
||||
waiter_count++;
|
||||
cond_var.Wait(&lock, timeout);
|
||||
cond_var.Wait(&lock, timeout, false);
|
||||
waiter_count--;
|
||||
} else {
|
||||
break;
|
||||
|
|
Loading…
Reference in a new issue