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Title: bpo-41710: PyThread_acquire_lock_timed() uses sem_clockwait() by vstinner · Pull Request #28662 · python/cpython · GitHub

Open Graph Title: bpo-41710: PyThread_acquire_lock_timed() uses sem_clockwait() by vstinner · Pull Request #28662 · python/cpython

X Title: bpo-41710: PyThread_acquire_lock_timed() uses sem_clockwait() by vstinner · Pull Request #28662 · python/cpython

Description: On Unix, if the sem_clockwait() function is available in the C library (glibc 2.30 and newer), the threading.Lock.acquire() method now uses the monotonic clock (time.CLOCK_MONOTONIC) for the timeout, rather than using the system clock (time.CLOCK_REALTIME), to not be affected by system clock changes. configure now checks if the sem_clockwait() function is available. https://bugs.python.org/issue41710

Open Graph Description: On Unix, if the sem_clockwait() function is available in the C library (glibc 2.30 and newer), the threading.Lock.acquire() method now uses the monotonic clock (time.CLOCK_MONOTONIC) for the timeou...

X Description: On Unix, if the sem_clockwait() function is available in the C library (glibc 2.30 and newer), the threading.Lock.acquire() method now uses the monotonic clock (time.CLOCK_MONOTONIC) for the timeou...

Opengraph URL: https://github.com/python/cpython/pull/28662

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058de0e bpo-41710: PyThread_acquire_lock_timed() uses sem_clockwait() vstinner Sep 30, 2021 https://github.com/python/cpython/pull/28662/commits/058de0e87b1b3f463aebea0d7140d139c1d4a04c
ced6f76 Compute the absolute timeout once outside the loop vstinner Sep 30, 2021 https://github.com/python/cpython/pull/28662/commits/ced6f76a890b1fe70f8cae0eb2439581ddff1386
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