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Kernel: Dequeue dying threads from WaitQueue

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If a thread is waiting but getting killed, we need to dequeue
the thread from the WaitQueue so that a potential wake before
finalization doesn't happen.
This commit is contained in:
Tom 2020-08-05 19:13:28 -06:00 • committed by Andreas Kling
parent 9495eeb075
commit 41d2a0e9f7
Notes: sideshowbarker 2024-07-19 04:14:52 +09:00
4 changed files with 37 additions and 7 deletions
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10
Kernel/WaitQueue.cpp
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@ -56,6 +56,16 @@ bool WaitQueue::enqueue(Thread& thread)
return true;
}
bool WaitQueue::dequeue(Thread& thread)
{
ScopedSpinLock queue_lock(m_lock);
if (m_threads.contains(thread)) {
m_threads.remove(thread);
return true;
}
return false;
}
void WaitQueue::wake_one(Atomic<bool>* lock)
{
ScopedSpinLock queue_lock(m_lock);