ss_flags int32
}

type timespec struct {
	tv_sec  int64
	tv_nsec int32
	_       [4]byte // EABI
}

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

type timeval struct {
	tv_sec  int64
	tv_usec int32
	_       [4]byte // EABI
}

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

	ss_sp    uintptr
	ss_size  uintptr
	ss_flags int32
}

type timespec struct {
	tv_sec  int64
	tv_nsec int32
}

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

type timeval struct {
	tv_sec  int64
	tv_usec int32
}

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

type itimerval struct {

			if ret64 != int64(int32(ret64)) {
				// Simulate timediv overflow value.
				ret64 = 1<<31 - 1
				rem64 = 0
			}
			if ret64 != int64(tc.ret) {
				t.Errorf("%d / %d got ret %d rem %d want ret %d rem %d", tc.num, tc.div, ret64, rem64, tc.ret, tc.rem)
			}

			var rem int32
			ret := Timediv(tc.num, tc.div, &rem)
			if ret != tc.ret || rem != tc.rem {

	__spare__   [4]int32
	pad_cgo_0   [12]byte
}

type timespec struct {
	tv_sec  int32
	tv_nsec int32
}

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

type timeval struct {
	tv_sec  int32
	tv_usec int32
}

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

type itimerval struct {

	__spare__   [4]int32
}

type timespec struct {
	tv_sec    int64
	tv_nsec   int32
	pad_cgo_0 [4]byte
}

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

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
}

	}
	if unsafe.Offsetof(y1.y) != 1 {
		throw("bad offsetof y1.y")
	}
	if unsafe.Sizeof(y1) != 2 {
		throw("bad unsafe.Sizeof y1")
	}

	if timediv(12345*1000000000+54321, 1000000000, &e) != 12345 || e != 54321 {
		throw("bad timediv")
	}

	var z uint32
	z = 1
	if !atomic.Cas(&z, 1, 2) {
		throw("cas1")
	}
	if z != 2 {
		throw("cas2")
	}

	z = 4

	// the OS clean up threads.
	throw("exitThread")
}

//go:nosplit
func semacreate(mp *m) {
}

//go:nosplit
func semasleep(ns int64) int {
	gp := getg()
	if ns >= 0 {
		ms := timediv(ns, 1000000, nil)
		if ms == 0 {
			ms = 1
		}
		ret := plan9_tsemacquire(&gp.m.waitsemacount, ms)
		if ret == 1 {
			return 0 // success
		}
		return -1 // timeout or interrupted
	}

		escapeSink = x
	}
	return x
}

// Acquirem blocks preemption.
func Acquirem() {
	acquirem()
}

func Releasem() {
	releasem(getg().m)
}

var Timediv = timediv

type PIController struct {
	piController
}

func NewPIController(kp, ti, tt, min, max float64) *PIController {
	return &PIController{piController{
		kp:  kp,
		ti:  ti,
		tt:  tt,

	)

	var result uintptr
	if ns < 0 {
		result = stdcall2(_WaitForSingleObject, getg().m.waitsema, uintptr(_INFINITE))
	} else {
		start := nanotime()
		elapsed := int64(0)
		for {
			ms := int64(timediv(ns-elapsed, 1000000, nil))
			if ms == 0 {
				ms = 1
			}
			result = stdcall4(_WaitForMultipleObjects, 2,
				uintptr(unsafe.Pointer(&[2]uintptr{getg().m.waitsema, getg().m.resumesema})),
				0, uintptr(ms))

//go:noescape
func setitimer(mode int32, new, old *itimerval)

//go:noescape
func timer_create(clockid int32, sevp *sigevent, timerid *int32) int32

//go:noescape
func timer_settime(timerid int32, flags int32, new, old *itimerspec) int32

//go:noescape
func timer_delete(timerid int32) int32

//go:noescape
func rtsigprocmask(how int32, new, old *sigset, size int32)

//go:nosplit
//go:nowritebarrierrec