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/* libc/posix/sleep.c - sleep function */
 
/* Written 2000 by Werner Almesberger */
 
#ifdef HAVE_NANOSLEEP
 
#include <errno.h>
#include <time.h>
#include <unistd.h>
 
unsigned sleep(unsigned seconds)
{
    struct timespec ts;
 
    ts.tv_sec = seconds;
    ts.tv_nsec = 0;
    if (!nanosleep(&ts,&ts)) return 0;
    if (errno == EINTR) return ts.tv_sec;
    return -1;
}
 
#endif