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Fix nanosleep on platforms other than Linux #12991

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merged 1 commit into from May 24, 2022
Merged

Fix nanosleep on platforms other than Linux #12991

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10 changes: 10 additions & 0 deletions libnetdata/clocks/clocks.c
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Expand Up @@ -179,6 +179,7 @@ inline usec_t dt_usec(struct timeval *now, struct timeval *old) {
return (ts1 > ts2) ? (ts1 - ts2) : (ts2 - ts1);
}

#ifdef __linux__
void sleep_to_absolute_time(usec_t usec) {
static int einval_printed = 0, enotsup_printed = 0, eunknown_printed = 0;
clockid_t clock = CLOCK_REALTIME;
Expand Down Expand Up @@ -225,6 +226,7 @@ void sleep_to_absolute_time(usec_t usec) {
}
}
};
#endif

#define HEARTBEAT_ALIGNMENT_STATISTICS_SIZE 10
netdata_mutex_t heartbeat_alignment_mutex = NETDATA_MUTEX_INITIALIZER;
Expand Down Expand Up @@ -344,12 +346,20 @@ void sleep_usec(usec_t usec) {
.tv_nsec = (suseconds_t) ((usec % USEC_PER_SEC) * NSEC_PER_USEC)
};

#ifdef __linux__
while ((errno = clock_nanosleep(CLOCK_REALTIME, 0, &req, &rem)) != 0) {
#else
while ((errno = nanosleep(&req, &rem)) != 0) {
#endif
if (likely(errno == EINTR)) {
req.tv_sec = rem.tv_sec;
req.tv_nsec = rem.tv_nsec;
} else {
#ifdef __linux__
error("Cannot clock_nanosleep(CLOCK_REALTIME) for %llu microseconds.", usec);
#else
error("Cannot nanosleep() for %llu microseconds.", usec);
#endif
break;
}
}
Expand Down