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gh-110850: Use _PyDeadline_Get() in EnterNonRecursiveMutex() #118556

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Merged
vstinner merged 1 commit into from
May 4, 2024
+7 −6
Merged

gh-110850: Use _PyDeadline_Get() in EnterNonRecursiveMutex() #118556

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13 changes: 7 additions & 6 deletions Python/thread_nt.h
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Original file line number Diff line number Diff line change
Expand Up @@ -77,17 +77,18 @@ EnterNonRecursiveMutex(PNRMUTEX mutex, DWORD milliseconds)
}
} else if (milliseconds != 0) {
/* wait at least until the deadline */
PyTime_t nanoseconds = (PyTime_t)milliseconds * (1000 * 1000);
PyTime_t deadline = _PyTime_Add(_PyTime_PerfCounterUnchecked(), nanoseconds);
PyTime_t timeout = (PyTime_t)milliseconds * (1000 * 1000);
PyTime_t deadline = _PyDeadline_Init(timeout);
while (mutex->locked) {
PyTime_t microseconds = _PyTime_AsMicroseconds(nanoseconds,
_PyTime_ROUND_TIMEOUT);
PyTime_t microseconds = _PyTime_AsMicroseconds(timeout,
_PyTime_ROUND_TIMEOUT);
if (PyCOND_TIMEDWAIT(&mutex->cv, &mutex->cs, microseconds) < 0) {
result = WAIT_FAILED;
break;
}
nanoseconds = deadline - _PyTime_PerfCounterUnchecked();
if (nanoseconds <= 0) {

timeout = _PyDeadline_Get(deadline);
if (timeout <= 0) {
break;
}
}
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