// to make a 100% commitment.
			continue
		}
		println("runtime: kevent for EVFILT_USER failed with", -n)
		throw("runtime: kevent failed")
	}
}

func wakeNetpoll(kq int32) {
	ev := keventt{
		ident:  kqIdent,
		filter: _EVFILT_USER,
		flags:  _EV_ENABLE,
		fflags: _NOTE_TRIGGER,
	}
	for {
		n := kevent(kq, &ev, 1, nil, 0, nil)
		if n == 0 {
			break
		}
		if n == -_EINTR {

		println("runtime: pipe failed with", -errno)
		throw("runtime: pipe failed")
	}
	ev := keventt{
		filter: _EVFILT_READ,
		flags:  _EV_ADD,
	}
	*(*uintptr)(unsafe.Pointer(&ev.ident)) = uintptr(r)
	n := kevent(kq, &ev, 1, nil, 0, nil)
	if n < 0 {
		println("runtime: kevent failed with", -n)
		throw("runtime: kevent failed")
	}
	netpollBreakRd = uintptr(r)
	netpollBreakWr = uintptr(w)
}

		}
		tp = &ts
	}
	var events [64]keventt
retry:
	n := kevent(kq, nil, 0, &events[0], int32(len(events)), tp)
	if n < 0 {
		// Ignore the ETIMEDOUT error for now, but try to dive deep and
		// figure out what really happened with n == ETIMEOUT,
		// see https://go.dev/issue/59679 for details.
		if n != -_EINTR && n != -_ETIMEDOUT {
			println("runtime: kevent on fd", kq, "failed with", -n)

type Siginfo C.siginfo_t

type Mcontext C.mcontext_t
type Ucontext C.ucontext_t

type Timespec C.struct_timespec
type Timeval C.struct_timeval
type Itimerval C.struct_itimerval

package runtime

import (
	"internal/runtime/atomic"
	"unsafe"
)

//go:noescape
func sigaction(sig uint32, new, old *sigactiont)

func kqueue() int32

//go:noescape
func kevent(kq int32, ch *keventt, nch int32, ev *keventt, nev int32, ts *timespec) int32

func raiseproc(sig uint32)

func getthrid() int32
func thrkill(tid int32, sig int)

// read calls the read system call.

		n = 0
	}
	return n, nil
}

//sys	kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error)

func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err error) {
	var change, event unsafe.Pointer
	if len(changes) > 0 {
		change = unsafe.Pointer(&changes[0])
	}
	if len(events) > 0 {
		event = unsafe.Pointer(&events[0])
	}

//go:cgo_unsafe_args
func kqueue() int32 {
	return libcCall(unsafe.Pointer(abi.FuncPCABI0(kqueue_trampoline)), nil)
}
func kqueue_trampoline()

//go:nosplit
//go:cgo_unsafe_args
func kevent(kq int32, ch *keventt, nch int32, ev *keventt, nev int32, ts *timespec) int32 {
	ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(kevent_trampoline)), unsafe.Pointer(&kq))
	KeepAlive(ch)
	KeepAlive(ev)
	KeepAlive(ts)
	return ret
}

type StackT C.stack_t

type Timespec C.struct_timespec
type Timeval C.struct_timeval
type Itimerval C.struct_itimerval

type McontextT C.mcontext_t
type UcontextT C.ucontext_t

)

// Ptrace requests

const (
	PTRACE_TRACEME = C.PT_TRACE_ME
	PTRACE_CONT    = C.PT_CONTINUE
	PTRACE_KILL    = C.PT_KILL
)

// Events (kqueue, kevent)

type Kevent_t C.struct_kevent

// Select

type FdSet C.fd_set

// Routing and interface messages

const (
	SizeofIfMsghdr    = C.sizeof_struct_if_msghdr

		n = 0
	}
	return n, nil
}

//sys	kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error)

func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err error) {
	var change, event unsafe.Pointer
	if len(changes) > 0 {
		change = unsafe.Pointer(&changes[0])
	}
	if len(events) > 0 {
		event = unsafe.Pointer(&events[0])
	}