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bpo-21302: Add nanosleep() implementation for time.sleep() in Unix #28545

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Merged
vstinner merged 8 commits into from
Sep 25, 2021
Merged

bpo-21302: Add nanosleep() implementation for time.sleep() in Unix #28545

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57db5a3
replace select() to nanosleep()
Livius90 Sep 22, 2021
0396b87
📜🤖 Added by blurb_it.
blurb-it[bot] Sep 22, 2021
b514260
revert some changes
Livius90 Sep 23, 2021
bd98486
Add HAVE_NANOSLEEP to configure.ac
Livius90 Sep 23, 2021
050e08e
Update news rst
Livius90 Sep 23, 2021
96eaec0
Refactor
vstinner Sep 24, 2021
2a66080
Move err assignement just after the function call
vstinner Sep 24, 2021
d519657
Update the doc
vstinner Sep 24, 2021
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Move err assignement just after the function call
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@vstinner
vstinner committed Sep 24, 2021
commit 2a660802d126fae98dfdfe7616936d769908807a
8 changes: 3 additions & 5 deletions Modules/timemodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2092,18 +2092,16 @@ pysleep(_PyTime_t timeout)
Py_BEGIN_ALLOW_THREADS
#ifdef HAVE_CLOCK_NANOSLEEP
ret = clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &timeout_abs, NULL);
err = ret;
#elif defined(HAVE_NANOSLEEP)
ret = nanosleep(&timeout_ts, NULL);
err = errno;
#else
ret = select(0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &timeout_tv);
err = errno;
#endif
Py_END_ALLOW_THREADS

#ifdef HAVE_CLOCK_NANOSLEEP
err = ret;
#else
err = errno;
#endif
if (ret == 0) {
break;
}
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