}
	return pselect(nfd, r, w, e, ts, nil)
}

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)

func Time(t *Time_t) (tt Time_t, err error) {
	var tv Timeval
	err = Gettimeofday(&tv)
	if err != nil {
		return 0, err
	}
	if t != nil {
		*t = Time_t(tv.Sec)
	}
	return Time_t(tv.Sec), nil
}

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)

func Time(t *Time_t) (tt Time_t, err error) {
	var tv Timeval
	err = Gettimeofday(&tv)
	if err != nil {
		return 0, err
	}
	if t != nil {
		*t = Time_t(tv.Sec)
	}
	return Time_t(tv.Sec), nil
}

//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
//sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)

//sysnb	Gettimeofday(tv *Timeval) (err error)

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: usec}
}

	var ts *Timespec
	if timeout != nil {
		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
	}
	return pselect(nfd, r, w, e, ts, nil)
}

//sysnb	Gettimeofday(tv *Timeval) (err error)

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

func setTimeval(sec, usec int64) Timeval {
	return Timeval{Sec: sec, Usec: usec}
}

//sysnb	setgroups(n int, list *_Gid_t) (err error)

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)

func Time(t *Time_t) (tt Time_t, err error) {
	var tv Timeval
	err = Gettimeofday(&tv)
	if err != nil {
		return 0, err
	}
	if t != nil {
		*t = Time_t(tv.Sec)
	}
	return Time_t(tv.Sec), nil
}

//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)

func Time(t *Time_t) (tt Time_t, err error) {
	var tv Timeval
	err = Gettimeofday(&tv)
	if err != nil {
		return 0, err
	}
	if t != nil {
		*t = Time_t(tv.Sec)
	}
	return Time_t(tv.Sec), nil
}

//
// TODO(b/33546473): Refactor tensorflow::Env::NowMicros() so that we can re-use
// the implementation without pulling in all of the Env dependencies.
static uint64 NowMicros() {
  struct timeval tv;
  gettimeofday(&tv, nullptr);
  return static_cast<uint64>(tv.tv_sec) * 1000000 + tv.tv_usec;
}

void DumpStatsToStdout(const Stats& stats) {
  // Compute stats.
  std::vector<int64_t> sorted_us(stats.per_iter_us);

//sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)
//sysnb	Time(t *Time_t) (tt Time_t, err error)
//sys	Utime(path string, buf *Utimbuf) (err error)
//sys	utimes(path string, times *[2]Timeval) (err error)

//sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)
//sysnb	Time(t *Time_t) (tt Time_t, err error)
//sys	Utime(path string, buf *Utimbuf) (err error)
//sys	utimes(path string, times *[2]Timeval) (err error)

//go:nosplit

//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)
//sysnb	Time(t *Time_t) (tt Time_t, err error)
//sys	Utime(path string, buf *Utimbuf) (err error)
//sys	utimes(path string, times *[2]Timeval) (err error)