blob: 9322b6551efdbe216ad9c1f9a2acce831bf26578 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
/* libc/posix/usleep.c - usleep function */
/* Written 2002 by Jeff Johnston */
#ifdef HAVE_NANOSLEEP
#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;
}
#endif
|
