Use a monotonic clock instead of gettimeofday(3)
Marco d'Itri
7 years ago
| 0 | Use a monotonic clock instead of gettimeofday(3). | |
| 1 | ||
| 2 | Inspired by https://svnweb.freebsd.org/base/head/usr.sbin/inetd/inetd.c?r1=229403&r2=236572 . | |
| 3 | ||
| 4 | --- a/inetd.c | |
| 5 | +++ b/inetd.c | |
| 6 | @@ -228,7 +228,7 @@ struct servtab { | |
| 7 | int se_ctrladdr_size; | |
| 8 | int se_max; /* max # of instances of this service */ | |
| 9 | int se_count; /* number started since se_time */ | |
| 10 | - struct timeval se_time; /* start of se_count */ | |
| 11 | + struct timespec se_time; /* start of se_count */ | |
| 12 | struct servtab *se_next; | |
| 13 | struct event se_event; | |
| 14 | } *servtab; | |
| 15 | @@ -1873,11 +1873,11 @@ spawn(int ctrl, short events, void *xsep | |
| 16 | dofork = (sep->se_bi == 0 || sep->se_bi->bi_fork); | |
| 17 | if (dofork) { | |
| 18 | if (sep->se_count++ == 0) | |
| 19 | - (void)gettimeofday(&sep->se_time, NULL); | |
| 20 | + (void)clock_gettime(CLOCK_BOOTTIME, &sep->se_time); | |
| 21 | else if (sep->se_count >= sep->se_max) { | |
| 22 | - struct timeval now; | |
| 23 | + struct timespec now; | |
| 24 | ||
| 25 | - (void)gettimeofday(&now, NULL); | |
| 26 | + (void)clock_gettime(CLOCK_BOOTTIME, &now); | |
| 27 | if (now.tv_sec - sep->se_time.tv_sec > | |
| 28 | CNT_INTVL) { | |
| 29 | sep->se_time = now; |