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time-util: make usleep_safe() return earlier if 0 is passed

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Yu Watanabe 2023-12-20 00:48:49 +09:00
parent 06cfce8671
commit 97df9fa065
1 changed files with 3 additions and 0 deletions
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src/basic/time-util.h
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@ -219,6 +219,9 @@ static inline int usleep_safe(usec_t usec) {
* ⚠️ Note we are not using plain nanosleep() here, since that operates on CLOCK_REALTIME, not
* CLOCK_MONOTONIC! */
if (usec == 0)
return 0;
// FIXME: use RET_NERRNO() macro here. Currently, this header cannot include errno-util.h.
return clock_nanosleep(CLOCK_MONOTONIC, 0, TIMESPEC_STORE(usec), NULL) < 0 ? -errno : 0;
}