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/* libc/sys/linux/usleep.c - usleep function */

/* Written 2002 by Jeff Johnston */

#include <errno.h>

#include <sys/types.h>

#include <sys/time.h>

#include <linux/times.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;

}