diff options
Diffstat (limited to 'src/satd-diminished.c')
| -rw-r--r-- | src/satd-diminished.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/src/satd-diminished.c b/src/satd-diminished.c index 059ca83..a0fbd8b 100644 --- a/src/satd-diminished.c +++ b/src/satd-diminished.c @@ -150,6 +150,28 @@ is_timer_set(int fd) /** + * If a timer has expired, unset it. + * + * @param fd The file descriptor of the timer. + * @param fdset Set that shall contain `fd` iff it has expired. + * @return 0 on sucess, -1 on error. + */ +static int +test_timer(int fd, const fd_set *fdset) +{ + int64_t _overrun; + struct itimerspec spec = { + .it_interval.tv_sec = 0, .it_value.tv_sec = 0, + .it_interval.tv_nsec = 0, .it_value.tv_nsec = 0, + }; + if (!FD_ISSET(BOOT_FILENO, fdset)) return 0; + if (read(BOOT_FILENO, &_overrun, (size_t)8) < 8) return -1; + if (timer_pid == NO_TIMER_SPAWED) return 0; + return timerfd_settime(fd, TFD_TIMER_ABSTIME, &spec, NULL); +} + + +/** * The sat daemon. * * @param argc Should be 3. @@ -165,7 +187,6 @@ main(int argc, char *argv[], char *envp[]) int fd = -1, rc = 0, accepted = 0, r; unsigned char type; fd_set fdset; - int64_t _overrun; /* Set up signal handlers. */ t (signal(SIGHUP, sighandler) == SIG_ERR); @@ -193,8 +214,8 @@ not_done: if (select(REAL_FILENO + 1, &fdset, NULL, NULL, NULL) == -1) { t (errno != EINTR); } - if (FD_ISSET(BOOT_FILENO, &fdset)) t (read(BOOT_FILENO, &_overrun, (size_t)8) < 8); - if (FD_ISSET(REAL_FILENO, &fdset)) t (read(REAL_FILENO, &_overrun, (size_t)8) < 8); + t (test_timer(BOOT_FILENO, &fdset)); + t (test_timer(REAL_FILENO, &fdset)); if (!FD_ISSET(SOCK_FILENO, &fdset)) goto again; if (fd = accept(SOCK_FILENO, NULL, NULL), fd == -1) { |