func mpreinit(mp *m) {
	gsignalSize := int32(32 * 1024)
	if GOARCH == "mips64" {
		gsignalSize = int32(64 * 1024)
	}
	mp.gsignal = malg(gsignalSize)
	mp.gsignal.m = mp
}

// Called to initialize a new m (including the bootstrap m).
// Called on the new thread, can not allocate memory.
func minit() {
	getg().m.procid = uint64(getthrid())

		rusage: &rusage,
	}, nil
}

func (p *Process) signal(sig Signal) error {
	s, ok := sig.(syscall.Signal)
	if !ok {
		return errors.New("os: unsupported signal type")
	}

	// Which type of Process do we have?
	switch p.mode {
	case modeHandle:
		// pidfd
		return p.pidfdSendSignal(s)
	case modePID:
		// Regular PID
		return p.pidSignal(s)
	default:
		panic("unreachable")
	}
}

}

// A Signal is a number describing a process signal.
// It implements the [os.Signal] interface.
type Signal int

const (
	_ Signal = iota
	SIGCHLD
	SIGINT
	SIGKILL
	SIGTRAP
	SIGQUIT
	SIGTERM
)

func (s Signal) Signal() {}

func (s Signal) String() string {
	if 0 <= s && int(s) < len(signals) {
		str := signals[s]
		if str != "" {
			return str
		}

	// an asynchronous process.
	signals.AfterShutdownDelayDuration = wrapLifecycleSignal(t, signals.AfterShutdownDelayDuration, before, nil)
	signals.PreShutdownHooksStopped = wrapLifecycleSignal(t, signals.PreShutdownHooksStopped, before, nil)
	signals.NotAcceptingNewRequest = wrapLifecycleSignal(t, signals.NotAcceptingNewRequest, before, nil)
	signals.HTTPServerStoppedListening = wrapLifecycleSignal(t, signals.HTTPServerStoppedListening, before, nil)

	signal.Notify(c, os.Interrupt)
	defer signal.Stop(c)

	p := &os.Process{Pid: os.Getpid()}
	if err := p.Signal(os.Interrupt); err != nil {
		t.Fatalf("Signal got err %v, want nil", err)
	}

	// Verify we actually received the signal.
	select {
	case <-time.After(1 * time.Second):
		t.Error("timeout waiting for signal")
	case <-c:
		// Good
	}
}

func TestProcessReleaseTwice(t *testing.T) {

	MOVD	R1, R4

	// Store g on gsignal's stack, so if we receive a signal
	// during VDSO code we can find the g.
	// If we don't have a signal stack, we won't receive signal,
	// so don't bother saving g.
	// When using cgo, we already saved g on TLS, also don't save
	// g here.
	// Also don't save g if we are already on the signal stack.
	// We won't get a nested signal.
	MOVBZ	runtime·iscgo(SB), R22
	CMP	R22, $0
	BNE	nosaveg

	goenvs_unix()
}

// Called to initialize a new m (including the bootstrap m).
// Called on the parent thread (main thread in case of bootstrap), can allocate memory.
func mpreinit(mp *m) {
	mp.gsignal = malg(32 * 1024)
	mp.gsignal.m = mp
}

func miniterrno()

// Called to initialize a new m (including the bootstrap m).
// Called on the new thread, cannot allocate memory.
func minit() {

		t.Fatal("Timed out waiting for listeningTestProbe to be called")
	}
}

func TestSignals(t *testing.T) {
	c := make(chan os.Signal, 1)
	signal.Notify(c, syscall.SIGUSR1)
	server := startAndWaitForServer(t)
	defer server.Close()
	reloadURL := fmt.Sprintf("http://%v/signalj/SIGUSR1", server.Address())
	resp, err := http.DefaultClient.Post(reloadURL, "text/plain", nil)
	if err != nil {
		t.Fatalf("Run: %v", err)
	}

// Called on the parent thread (main thread in case of bootstrap), can allocate memory.
func mpreinit(mp *m) {
	// Initialize stack and goroutine for note handling.
	mp.gsignal = malg(32 * 1024)
	mp.gsignal.m = mp
	mp.notesig = (*int8)(mallocgc(_ERRMAX, nil, true))
	// Initialize stack for handling strings from the
	// errstr system call, as used in package syscall.

		cpuprof.addExtra()
		cpuprof.log.close()
	}
	unlock(&cpuprof.lock)
}

// add adds the stack trace to the profile.
// It is called from signal handlers and other limited environments
// and cannot allocate memory or acquire locks that might be
// held at the time of the signal, nor can it use substantial amounts
// of stack.
//
//go:nowritebarrierrec
func (p *cpuProfile) add(tagPtr *unsafe.Pointer, stk []uintptr) {