int main(void)
{
timer_t tm1;
struct itimerspec its1, its2;
struct sigevent se;
struct sigaction act;
int signum = SIGRTMAX;
/* Set up signal handler: */
sigfillset(&act.sa_mask);
act.sa_flags = 0;
act.sa_handler = sigalarm;
sigaction(signum, &act, NULL);
/* Set up timer: */
memset(&se, 0, sizeof(se));
se.sigev_notify = SIGEV_SIGNAL;
se.sigev_signo = signum;
se.sigev_value.sival_int = 0;
for (alarm_clock_id = CLOCK_REALTIME_ALARM;
alarm_clock_id <= CLOCK_BOOTTIME_ALARM;
alarm_clock_id++) {
alarmcount = 0;
if (timer_create(alarm_clock_id, &se, &tm1) == -1) {
printf("timer_create failed, %s unsupported?\n",
clockstring(alarm_clock_id));
break;
}
clock_gettime(alarm_clock_id, &start_time);
printf("Start time (%s): %ld:%ld\n", clockstring(alarm_clock_id),
start_time.tv_sec, start_time.tv_nsec);
printf("Setting alarm for every %i seconds\n", SUSPEND_SECS);
its1.it_value = start_time;
its1.it_value.tv_sec += SUSPEND_SECS;
its1.it_interval.tv_sec = SUSPEND_SECS;
its1.it_interval.tv_nsec = 0;
timer_settime(tm1, TIMER_ABSTIME, &its1, &its2);
while (alarmcount < 5)
sleep(1); /* First 5 alarms, do nothing */
printf("Starting suspend loops\n");
while (alarmcount < 10) {
int ret;
sleep(3);
ret = system("echo mem > /sys/power/state");
if (ret)
break;
}
timer_delete(tm1);
}
if (final_ret)
return ksft_exit_fail();
return ksft_exit_pass();
}
int main(int argc, char **argv)
{
long long length;
int clockid, ret;
for (clockid = CLOCK_REALTIME; clockid < NR_CLOCKIDS; clockid++) {
/* Skip cputime clockids since nanosleep won't increment cputime */
if (clockid == CLOCK_PROCESS_CPUTIME_ID ||
clockid == CLOCK_THREAD_CPUTIME_ID ||
clockid == CLOCK_HWSPECIFIC)
continue;
printf("Nanosleep %-31s ", clockstring(clockid));
length = 10;
while (length <= (NSEC_PER_SEC * 10)) {
ret = nanosleep_test(clockid, length);
if (ret == UNSUPPORTED) {
printf("[UNSUPPORTED]\n");
goto next;
}
if (ret < 0) {
printf("[FAILED]\n");
return ksft_exit_fail();
}
length *= 100;
}
printf("[OK]\n");
next:
ret = 0;
}
return ksft_exit_pass();
}