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More specific assertion for unlocking mutex not owned by the current thread #5099

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Merged
StephanTLavavej merged 2 commits into from
Nov 22, 2024
Merged

More specific assertion for unlocking mutex not owned by the current thread #5099

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More specific assertion for unlocking mutex not owned by the current …
AlexGuteniev Nov 19, 2024
1e8afd8
Say "greater than zero" clear
AlexGuteniev Nov 19, 2024
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3 changes: 2 additions & 1 deletion stl/src/mutex.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -147,8 +147,9 @@ static _Thrd_result mtx_do_lock(_Mtx_t mtx, const _timespec64* target) noexcept
}

_CRTIMP2_PURE _Thrd_result __cdecl _Mtx_unlock(_Mtx_t mtx) noexcept { // unlock mutex
_THREAD_ASSERT(mtx->_Count > 0, "unlock of unowned mutex");
_THREAD_ASSERT(
1 <= mtx->_Count && mtx->_Thread_id == static_cast<long>(GetCurrentThreadId()), "unlock of unowned mutex");
mtx->_Thread_id == static_cast<long>(GetCurrentThreadId()), "unlock of mutex not owned by the current thread");

if (--mtx->_Count == 0) { // leave critical section
mtx->_Thread_id = -1;
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