minix/lib/libc/sys-minix/clock_getres.c

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#include <sys/cdefs.h>
#include <lib.h>
#include "namespace.h"
#include <string.h>
#include <sys/time.h>
#ifdef __weak_alias
__weak_alias(clock_getres, __clock_getres50);
#endif
int clock_getres(clockid_t clock_id, struct timespec *res)
{
message m;
memset(&m, 0, sizeof(m));
m.PM_TIME_CLK_ID = (clockid_t) clock_id;
if (_syscall(PM_PROC_NR, PM_CLOCK_GETRES, &m) < 0)
return -1;
res->tv_sec = (time_t) m.PM_TIME_SEC;
res->tv_nsec = (long) m.PM_TIME_NSEC;
return 0;
}