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shared_mutex: Optimize busy-waiting by detecting waiters and try to steal the notifying bit

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Add an unused has_waiters() method.
This commit is contained in:
Eladash 2022-08-07 17:48:14 +03:00 • committed by Ivan
parent 26e731b487
commit 2ec039365f
2 changed files with 34 additions and 3 deletions
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5
Utilities/mutex.h
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@ -171,6 +171,11 @@ public:
{
return m_value.load() < c_one - 1;
}
bool has_waiters() const
{
return m_value.load() > c_one;
}
};
// Simplified shared (reader) lock implementation.