1 #include "time32.h"
2 #include <time.h>
3 #include <sys/time.h>
4
__setitimer_time32(int which,const struct itimerval32 * restrict new32,struct itimerval32 * restrict old32)5 int __setitimer_time32(int which, const struct itimerval32 *restrict new32, struct itimerval32 *restrict old32)
6 {
7 struct itimerval old;
8 int r = setitimer(which, (&(struct itimerval){
9 .it_interval.tv_sec = new32->it_interval.tv_sec,
10 .it_interval.tv_usec = new32->it_interval.tv_usec,
11 .it_value.tv_sec = new32->it_value.tv_sec,
12 .it_value.tv_usec = new32->it_value.tv_usec}), &old);
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_usec = old.it_interval.tv_usec;
21 old32->it_value.tv_sec = old.it_value.tv_sec;
22 old32->it_value.tv_usec = old.it_value.tv_usec;
23 }
24 return 0;
25 }
26