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kern: improve KLightLock accuracy

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This commit is contained in:
Michael Scire 2020-07-25 04:28:44 -07:00 • committed by SciresM
parent 1448068b69
commit 4ac94e9179
3 changed files with 15 additions and 8 deletions
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5
libraries/libmesosphere/source/kern_k_light_lock.cpp
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@ -38,6 +38,7 @@ namespace ams::kern {
if (AMS_LIKELY(cur_thread->GetState() == KThread::ThreadState_Runnable)) {
cur_thread->SetState(KThread::ThreadState_Waiting);
}
if (owner_thread->IsSuspended()) {
owner_thread->ContinueIfHasKernelWaiters();
}
@ -75,6 +76,10 @@ namespace ams::kern {
if (AMS_LIKELY(next_owner->GetState() == KThread::ThreadState_Waiting)) {
next_owner->SetState(KThread::ThreadState_Runnable);
}
if (next_owner->IsSuspended()) {
next_owner->ContinueIfHasKernelWaiters();
}
}
/* We may have unsuspended in the process of acquiring the lock, so we'll re-suspend now if so. */