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/* 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