ss_flags  int32
	pad_cgo_0 [4]byte
}

type timespec struct {
	tv_sec  int64
	tv_nsec int64
}

//go:nosplit
func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type timeval struct {
	tv_sec  int64
	tv_usec int64
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = int64(x)
}

type itimerval struct {
	it_interval timeval

		return uint64(ticksPerSecond() / traceTimeDiv)
	}
	// Our clock is nanotime, so it's just the constant time division.
	// (trace clock units / nanoseconds) * (1e9 nanoseconds / 1 second)
	return uint64(1.0 / float64(traceTimeDiv) * 1e9)
}

// traceFrequency writes a batch with a single EvFrequency event.
//
// freq is the number of trace clock units per second.
func traceFrequency(gen uintptr) {

	__si_flags int32
	__pad      [3]int32
}

type timespec struct {
	tv_sec  int64
	tv_nsec int64
}

//go:nosplit
func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type timeval struct {
	tv_sec    int64
	tv_usec   int32
	pad_cgo_0 [4]byte
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = x
}

type itimerval struct {

}

//go:linkname nanotime
//go:nosplit
func nanotime() int64 {
	return faketime
}

//go:linkname time_now time.now
func time_now() (sec int64, nsec int32, mono int64) {
	return faketime / 1e9, int32(faketime % 1e9), faketime
}

// write is like the Unix write system call.
// We have to avoid write barriers to avoid potential deadlock
// on write calls.
//
//go:nowritebarrierrec

	mp := getg().m
	if ns >= 0 {
		var ts timespec

		if clock_gettime(_CLOCK_REALTIME, &ts) != 0 {
			throw("clock_gettime")
		}
		ts.tv_sec += ns / 1e9
		ts.tv_nsec += ns % 1e9
		if ts.tv_nsec >= 1e9 {
			ts.tv_sec++
			ts.tv_nsec -= 1e9
		}

		if r, err := sem_timedwait((*semt)(unsafe.Pointer(mp.waitsema)), &ts); r != 0 {
			if err == _ETIMEDOUT || err == _EAGAIN || err == _EINTR {
				return -1
			}

}

func (tv *Timeval) Unix() (sec int64, nsec int64) {
	return int64(tv.Sec), int64(tv.Usec) * 1000
}

func (ts *Timespec) Nano() int64 {
	return int64(ts.Sec)*1e9 + int64(ts.Nsec)
}

func (tv *Timeval) Nano() int64 {
	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000

//	uint64	sig[1];
//};
//typedef uint64 Sigset;

type timespec struct {
	tv_sec  int64
	tv_nsec int64
}

//go:nosplit
func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type timeval struct {
	tv_sec  int64
	tv_usec int64
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = int64(x)
}

type sigactiont struct {
	sa_flags   uint32

//	uint64	sig[1];
//};
//typedef uint64 Sigset;

type timespec struct {
	tv_sec  int64
	tv_nsec int64
}

//go:nosplit
func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type timeval struct {
	tv_sec  int64
	tv_usec int64
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = int64(x)
}

type sigactiont struct {
	sa_handler  uintptr

//	uint64	sig[1];
//};
//typedef uint64 Sigset;

type timespec struct {
	tv_sec  int64
	tv_nsec int64
}

//go:nosplit
func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type timeval struct {
	tv_sec  int64
	tv_usec int64
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = int64(x)
}

type sigactiont struct {
	sa_handler  uintptr

			// Convert nanoseconds to seconds via a division.
			// These values will all be exactly representable by a float64.
			b[bucketIndex] = float64(bucketNanos) / 1e9
		}
	}
	// Overflow bucket.
	b[len(b)-2] = float64(uint64(1)<<(timeHistMaxBucketBits-1)) / 1e9
	b[len(b)-1] = float64Inf()
	return b