Files
James Benton 3828f9fd9d Implement nanosleep, usleep, sleep.
(cherry picked from commit 2a1c96e750)
2018-06-05 11:05:03 +01:00

19 lines
417 B
C

/* Copied from libc/posix/sleep.c, removed the check for HAVE_NANOSLEEP */
/* Written 2000 by Werner Almesberger */
#include <errno.h>
#include <time.h>
#include <unistd.h>
int usleep(useconds_t useconds)
{
struct timespec ts;
ts.tv_sec = (long int)useconds / 1000000;
ts.tv_nsec = ((long int)useconds % 1000000) * 1000;
if (!nanosleep(&ts,&ts)) return 0;
if (errno == EINTR) return ts.tv_sec;
return -1;
}