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Author vstinner
Recipients methane, mikecrowe, vstinner, wocket
Date 2021-09-30.21:20:06
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1633036806.74.0.27539451366.issue41710@roundup.psfhosted.org>
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Content 
On Unix, PyCOND_TIMEDWAIT() is implemented with pthread_cond_timedwait(). If pthread_condattr_setclock() is available, it uses CLOCK_MONOTONIC. Otherwise, it uses CLOCK_REALTIME. The glibc 2.30 adds pthread_cond_clockwait() which could be used to use CLOCK_MONOTONIC. But if pthread_cond_clockwait() is available (glibc 2.30 or newer), it expects that pthread_condattr_setclock() is also available. So I'm not sure that it's worth it to change PyCOND_TIMEDWAIT(). See the _PyThread_cond_after() function which computes an absolute timestamp (timespec) from a relative timeout in microseconds.
History
Date User Action Args
2021-09-30 21:20:07vstinnersetrecipients: + vstinner, methane, wocket, mikecrowe
2021-09-30 21:20:06vstinnersetmessageid: <1633036806.74.0.27539451366.issue41710@roundup.psfhosted.org>
2021-09-30 21:20:06vstinnerlinkissue41710 messages
2021-09-30 21:20:06vstinnercreate