#include <time.h>
#include <errno.h>
#include "syscall.h"
#include "libc.h"
#include "threads.h"

/* Roughly __syscall already returns the right thing: 0 if all went
   well or a negative error indication, otherwise. */
int thrd_sleep(const struct timespec *req, struct timespec *rem)
{
	int ret = __syscall(SYS_nanosleep, req, rem);
	switch (ret) {
	case 0:
		return 0;
		/* error described by POSIX:                                    */
		/* EINTR  The nanosleep() function was interrupted by a signal. */
		/* The C11 wording is:                                          */
		/* -1 if it has been interrupted by a signal                    */
	case -EINTR:
		return -1;
		/* EINVAL: described by POSIX */
		/* EFAULT: described for linux */
	default:
		return -2;
	}
}