func (w WaitStatus) ExitStatus() int {
	if !w.Exited() {
		return -1
	}
	return int((w >> 8) & 0xFF)
}

func (w WaitStatus) Signaled() bool { return w&0x40 == 0 && w&0xFF != 0 }
func (w WaitStatus) Signal() Signal {
	if !w.Signaled() {
		return -1
	}
	return Signal(w>>16) & 0xFF
}

func (w WaitStatus) Continued() bool { return w&0x01000000 != 0 }

	BL	(CTR)	// Call from VDSO

finish:
	MOVD	$0, R0		// Restore R0
	MOVD	0(R1), R3	// sec
	MOVD	8(R1), R5	// nsec
	MOVD	R15, R1		// Restore SP

	// Restore vdsoPC, vdsoSP
	// We don't worry about being signaled between the two stores.
	// If we are not in a signal handler, we'll restore vdsoSP to 0,
	// and no one will care about vdsoPC. If we are in a signal handler,
	// we cannot receive another signal.
	MOVD	40(R1), R6

	S_IROTH = 04
	S_IWOTH = 02
	S_IXOTH = 01
)

type WaitStatus uint32

func (w WaitStatus) Exited() bool       { return false }
func (w WaitStatus) ExitStatus() int    { return 0 }
func (w WaitStatus) Signaled() bool     { return false }
func (w WaitStatus) Signal() Signal     { return 0 }
func (w WaitStatus) CoreDump() bool     { return false }
func (w WaitStatus) Stopped() bool      { return false }

	LEAL	8(SP), CX
	INVOKE_SYSCALL

finish:
	MOVL	8(SP), AX	// sec
	MOVL	12(SP), BX	// nsec

	MOVL	BP, SP		// Restore real SP
	// Restore vdsoPC, vdsoSP
	// We don't worry about being signaled between the two stores.
	// If we are not in a signal handler, we'll restore vdsoSP to 0,
	// and no one will care about vdsoPC. If we are in a signal handler,
	// we cannot receive another signal.
	MOVL	4(SP), CX

fallback:
	MOVD	$SYS_clock_gettime, R8
	SVC

finish:
	MOVD	0(RSP), R3	// sec
	MOVD	8(RSP), R5	// nsec

	MOVD	R20, RSP	// restore SP
	// Restore vdsoPC, vdsoSP
	// We don't worry about being signaled between the two stores.
	// If we are not in a signal handler, we'll restore vdsoSP to 0,
	// and no one will care about vdsoPC. If we are in a signal handler,
	// we cannot receive another signal.
	MOVD	16(RSP), R1

		}
		// Set child to new parent
		parentFD = childFD
		childFD = -1
	}

	// We made it to the end, return this fd, don't close it
	finalFD := parentFD
	parentFD = -1

	return finalFD, nil

	// Defer operations are executed in Last-In is First-Out order. In this case
	// the lock is acquired first when operationCompletes begins, and is
	// released when the method finishes, after the lock is released cond is
	// signaled to wake waiting goroutine.
	defer grm.cond.Signal()
	grm.lock.Lock()
	defer grm.lock.Unlock()

	if *err == nil || !grm.exponentialBackOffOnError {

	} else if ws, ok := ee.Sys().(syscall.WaitStatus); !ok {
		t.Errorf("error.Sys (%v) has type %T; expected syscall.WaitStatus", ee.Sys(), ee.Sys())
	} else if !ws.Signaled() || ws.Signal() != syscall.SIGTERM {
		t.Errorf("got %v; expected SIGTERM", ee)
	}
}

func TestSignalIgnoreSIGTRAP(t *testing.T) {
	if runtime.GOOS == "openbsd" {
		testenv.SkipFlaky(t, 49725)
	}

	ch := s.Watching.ResultChan()
	done := req.Context().Done()

	for {
		select {
		case <-s.ServerShuttingDownCh:
			// the server has signaled that it is shutting down (not accepting
			// any new request), all active watch request(s) should return
			// immediately here. The WithWatchTerminationDuringShutdown server

	if fd != -1 {
		Close(fd)
	}

	return
}

type Waitmsg struct {
	Pid  int
	Time [3]uint32
	Msg  string
}

func (w Waitmsg) Exited() bool   { return true }
func (w Waitmsg) Signaled() bool { return false }

func (w Waitmsg) ExitStatus() int {
	if len(w.Msg) == 0 {
		// a normal exit returns no message
		return 0
	}
	return 1
}

//sys	await(s []byte) (n int, err error)