nsz Git - musl/blob - compat/time32/timer_settime32.c

   1 #include "time32.h"
   2 #include <time.h>
   3
   4 int __timer_settime32(timer_t t, int flags, const struct itimerspec32 *restrict val32, struct itimerspec32 *restrict old32)
   5 {
   6         struct itimerspec old;
   7         int r = timer_settime(t, flags, (&(struct itimerspec){
   8                 .it_interval.tv_sec = val32->it_interval.tv_sec,
   9                 .it_interval.tv_nsec = val32->it_interval.tv_nsec,
  10                 .it_value.tv_sec = val32->it_value.tv_sec,
  11                 .it_value.tv_nsec = val32->it_value.tv_nsec}),
  12                 old32 ? &old : 0);
  13         if (r) return r;
  14         /* The above call has already committed to success by changing the
  15          * timer setting, so we can't fail on out-of-range old value.
  16          * Since these are relative times, values large enough to overflow
  17          * don't make sense anyway. */
  18         if (old32) {
  19                 old32->it_interval.tv_sec = old.it_interval.tv_sec;
  20                 old32->it_interval.tv_nsec = old.it_interval.tv_nsec;
  21                 old32->it_value.tv_sec = old.it_value.tv_sec;
  22                 old32->it_value.tv_nsec = old.it_value.tv_nsec;
  23         }
  24         return 0;
  25 }