usleep.c

/*
 * usleep.c
 */

#include <errno.h>
#include <time.h>

void usleep(unsigned long usec)
{
  struct timespec ts;

  ts.tv_sec  = usec/1000000UL;
  ts.tv_nsec = (usec%1000000UL) * 1000;
  while ( nanosleep(&ts,&ts) == -1 && errno == EINTR );
}