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supervise-daemon: use nanosleep() instead of sleep()

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We will be using sigalrm in this process for health checking, and
sigalrm cannot be used with sleep() safely.
This commit is contained in:
William Hubbs 2018-10-06 12:51:04 -05:00
parent 7ee3e5b2d6
commit eca4357892
1 changed files with 4 additions and 1 deletions
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5
src/rc/supervise-daemon.c
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@ -425,6 +425,7 @@ static void supervisor(char *exec, char **argv)
FILE *fp;
int i;
int nkilled;
struct timespec ts;
time_t respawn_now= 0;
time_t first_spawn= 0;
@ -497,7 +498,9 @@ static void supervisor(char *exec, char **argv)
if (nkilled > 0)
syslog(LOG_INFO, "killed %d processes", nkilled);
} else {
sleep(respawn_delay);
ts.tv_sec = respawn_delay;
ts.tv_nsec = 0;
nanosleep(&ts, NULL);
if (respawn_max > 0 && respawn_period > 0) {
respawn_now = time(NULL);
if (first_spawn == 0)