#include <signal.h>
#include <errno.h>
#include <stddef.h>
#include "uselect.h"

/* an uninterruptable version of select. M.Z. Oct 2008 */

int uselect(int nfds,
  fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
  struct timeval *timeout) {

  sigset_t sigmask;
  struct timespec tmo, *tmoPtr;

  sigfillset(&sigmask);  
  if (timeout) {
    tmo.tv_sec = timeout->tv_sec;
    tmo.tv_nsec = timeout->tv_usec * 1000;
    tmoPtr = &tmo;
  } else {
    tmoPtr = NULL;
  }
  return pselect(nfds, readfds, writefds, exceptfds, tmoPtr, &sigmask);
}