gstreamer/libs/gst/check/libcheck/timer_settime.c

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#include "libcompat.h"
int
timer_settime (timer_t timerid CK_ATTRIBUTE_UNUSED,
int flags CK_ATTRIBUTE_UNUSED,
const struct itimerspec *new_value,
struct itimerspec *old_value CK_ATTRIBUTE_UNUSED)
{
#ifdef HAVE_SETITIMER
/*
* If the system does not have timer_settime() but does have
* setitimer() use that instead of alarm().
*/
struct itimerval interval;
interval.it_value.tv_sec = new_value->it_value.tv_sec;
interval.it_value.tv_usec = new_value->it_value.tv_nsec / 1000;
interval.it_interval.tv_sec = new_value->it_interval.tv_sec;
interval.it_interval.tv_usec = new_value->it_interval.tv_nsec / 1000;
return setitimer (ITIMER_REAL, &interval, NULL);
#else
int seconds = new_value->it_value.tv_sec;
/*
* As the alarm() call has only second precision, if the caller
* specifies partial seconds, we round up to the nearest second.
*/
if (new_value->it_value.tv_nsec > 0) {
seconds += 1;
}
alarm (seconds);
return 0;
#endif
}