On Tue, Mar 06, 2012 at 01:01:57AM -0500, Woodchuck wrote:
> I. The system call clock_getres(2) and clock_gettime(2) show strange
> results.
>
> Consider this small program and its output on OpenBSD 5.0, amd64:
>
> #include <stdio.h>
> #include <sys/time.h>
>
> main()
> {
> struct timespec tp;
> int i;
>
> clock_getres(CLOCK_REALTIME, &tp);
BTW, your format strings are not right, both in size of operand and
signedness. Here:
> printf("Resolution: %lu %lu\n", tp.tv_sec, tp.tv_nsec);
> for (i = 0; i < 10; i++) {
> clock_gettime(CLOCK_REALTIME, &tp);
And here:
> printf("Performance: %lu %lu\n", tp.tv_sec, tp.tv_nsec);
> }
> return 0;
> }
struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* and nanoseconds */
};
and time_t is int
-Otto
