-typedef unsigned int timer_t;
-
-struct itimerspec {
- struct timespec it_value;
- struct timespec it_interval;
-};
-
-static struct sigevent fio_timers[MAX_TIMERS];
-static unsigned int num_timers = 0;
-
-static inline int timer_create(clockid_t clockid, struct sigevent *restrict evp,
- timer_t *restrict timerid)
-{
- int current_timer = num_timers;
- fio_timers[current_timer] = *evp;
- num_timers++;
-
- *timerid = current_timer;
- return 0;
-}
-
-static void sig_alrm(int signum)
-{
- union sigval sv;
-
- for (int i = 0; i < num_timers; i++) {
- if (fio_timers[i].sigev_notify_function == NULL)
- continue;
-
- if (fio_timers[i].sigev_notify == SIGEV_THREAD)
- fio_timers[i].sigev_notify_function(sv);
- else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL)
- kill(getpid(), fio_timers[i].sigev_signo);
- }
-}
-
-static inline int timer_settime(timer_t timerid, int flags,
- const struct itimerspec *value, struct itimerspec *ovalue)
-{
- struct sigaction sa;
- struct itimerval tv;
- struct itimerval tv_out;
- int rc;
-
- tv.it_interval.tv_sec = value->it_interval.tv_sec;
- tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000;
-
- tv.it_value.tv_sec = value->it_value.tv_sec;
- tv.it_value.tv_usec = value->it_value.tv_nsec / 1000;
-
- sa.sa_handler = sig_alrm;
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = 0;
-
- rc = sigaction(SIGALRM, &sa, NULL);
-
- if (!rc)
- rc = setitimer(ITIMER_REAL, &tv, &tv_out);
-
- if (!rc && ovalue != NULL) {
- ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec;
- ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000;
- ovalue->it_value.tv_sec = tv_out.it_value.tv_sec;
- ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000;
- }
-
- return rc;
-}
-
-static inline int timer_delete(timer_t timer)
-{
- return 0;
-}