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kernel: Unconditionally set thread state when appropriate

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This commit is contained in:
Morph 2021-06-10 14:26:54 -04:00
parent aa79ca7a7a
commit ebd38d66db
2 changed files with 12 additions and 23 deletions
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19
src/core/hle/kernel/k_light_lock.cpp
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@ -59,11 +59,7 @@ void KLightLock::LockSlowPath(uintptr_t _owner, uintptr_t _cur_thread) {
owner_thread->AddWaiter(cur_thread);
// Set thread states.
if (cur_thread->GetState() == ThreadState::Runnable) {
cur_thread->SetState(ThreadState::Waiting);
} else {
KScheduler::SetSchedulerUpdateNeeded(kernel);
}
cur_thread->SetState(ThreadState::Waiting);
if (owner_thread->IsSuspended()) {
owner_thread->ContinueIfHasKernelWaiters();
@ -73,10 +69,9 @@ void KLightLock::LockSlowPath(uintptr_t _owner, uintptr_t _cur_thread) {
// We're no longer waiting on the lock owner.
{
KScopedSchedulerLock sl{kernel};
KThread* owner_thread = cur_thread->GetLockOwner();
if (owner_thread) {
if (KThread* owner_thread = cur_thread->GetLockOwner(); owner_thread != nullptr) {
owner_thread->RemoveWaiter(cur_thread);
KScheduler::SetSchedulerUpdateNeeded(kernel);
}
}
}
@ -95,17 +90,13 @@ void KLightLock::UnlockSlowPath(uintptr_t _cur_thread) {
// Pass the lock to the next owner.
uintptr_t next_tag = 0;
if (next_owner) {
if (next_owner != nullptr) {
next_tag = reinterpret_cast<uintptr_t>(next_owner);
if (num_waiters > 1) {
next_tag |= 0x1;
}
if (next_owner->GetState() == ThreadState::Waiting) {
next_owner->SetState(ThreadState::Runnable);
} else {
KScheduler::SetSchedulerUpdateNeeded(kernel);
}
next_owner->SetState(ThreadState::Runnable);
if (next_owner->IsSuspended()) {
next_owner->ContinueIfHasKernelWaiters();

16
src/core/hle/kernel/k_process.cpp
View file

@ -201,17 +201,15 @@ bool KProcess::ReleaseUserException(KThread* thread) {
// Remove waiter thread.
s32 num_waiters{};
KThread* next = thread->RemoveWaiterByKey(
std::addressof(num_waiters),
reinterpret_cast<uintptr_t>(std::addressof(exception_thread)));
if (next != nullptr) {
if (next->GetState() == ThreadState::Waiting) {
next->SetState(ThreadState::Runnable);
} else {
KScheduler::SetSchedulerUpdateNeeded(kernel);
}
if (KThread* next = thread->RemoveWaiterByKey(
std::addressof(num_waiters),
reinterpret_cast<uintptr_t>(std::addressof(exception_thread)));
next != nullptr) {
next->SetState(ThreadState::Runnable);
}
KScheduler::SetSchedulerUpdateNeeded(kernel);
return true;
} else {
return false;