+#define _BSD_SOURCE
#include <sys/time.h>
+#include <time.h>
+#include <errno.h>
#include "syscall.h"
-int settimeofday(const struct timeval *tv, void *tz)
+int settimeofday(const struct timeval *tv, const struct timezone *tz)
{
- return syscall(SYS_settimeofday, tv, 0);
+ if (!tv) return 0;
+ if (tv->tv_usec >= 1000000ULL) return __syscall_ret(-EINVAL);
+ return clock_settime(CLOCK_REALTIME, &((struct timespec){
+ .tv_sec = tv->tv_sec, .tv_nsec = tv->tv_usec * 1000}));
}