# FuzzKill sends itself a signal that cannot be caught by the worker process
# and does not appear to be a crash.
# We should not save a crasher.
! go test -fuzz=FuzzKill
! exists testdata
! stdout unreachable
! stderr unreachable
stdout 'fuzzing process terminated by unexpected signal; no crash will be recorded: signal: killed'

	// 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.
	MOVBU	runtime·iscgo(SB), R22
	CBNZ	R22, nosaveg

		n = n*10 + int(b[0]) - '0'
		b = b[1:]
	}
	return n
}

func signame(sig uint32) string {
	if sig >= uint32(len(sigtable)) {
		return ""
	}
	return sigtable[sig].name
}

const preemptMSupported = false

func preemptM(mp *m) {
	// Not currently supported.
	//
	// TODO: Use a note like we use signals on POSIX OSes

//go:build !plan9 && !windows
// +build !plan9,!windows

package main

/*
#include <stddef.h>
#include <signal.h>
#include <pthread.h>

// Save the signal mask at startup so that we see what it is before
// the Go runtime starts setting up signals.

static sigset_t mask;

static void init(void) __attribute__ ((constructor));

static void init() {
	sigemptyset(&mask);

	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) {

	/* 56 */ {_SigNotify, "real time signal"},
	/* 57 */ {_SigNotify, "real time signal"},
	/* 58 */ {_SigNotify, "real time signal"},
	/* 59 */ {_SigNotify, "real time signal"},
	/* 60 */ {_SigNotify, "real time signal"},
	/* 61 */ {_SigNotify, "real time signal"},
	/* 62 */ {_SigNotify, "real time signal"},
	/* 63 */ {_SigNotify, "real time signal"},
	/* 64 */ {_SigNotify, "real time signal"},
	/* 65 */ {_SigNotify, "real time signal"},

	MOVD	8(R15), R5		// nsec
	MOVD	R7, R15			// 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	24(R15), R12
	MOVD	R12, m_vdsoSP(R6)
	MOVD	16(R15), R12
	MOVD	R12, m_vdsoPC(R6)

return:

// license that can be found in the LICENSE file.

//go:build linux

package signal

import (
	"os"
	"syscall"
	"testing"
	"time"
)

const prSetKeepCaps = 8

// This test validates that syscall.AllThreadsSyscall() can reliably
// reach all 'm' (threads) of the nocgo runtime even when one thread
// is blocked waiting to receive signals from the kernel. This monitors
// for a regression vs. the fix for #43149.

    }

    public static <T extends Signal> ExponentialBackoff<T> of(int amount, TimeUnit unit, T signal) {
        return new ExponentialBackoff<T>((int) TimeUnit.MILLISECONDS.convert(amount, unit), signal, SLOT_TIME);
    }

    public static ExponentialBackoff<Signal> of(int amount, TimeUnit unit, int slotTime, TimeUnit slotTimeUnit) {

		}
	}
	return r1, r2
}

// winch sends a few SIGWINCH signals to the process.
func winch() {
	ticker := time.NewTicker(100 * time.Microsecond)
	defer ticker.Stop()
	pid := syscall.Getpid()
	for n := 10; n > 0; n-- {
		syscall.Kill(pid, syscall.SIGWINCH)
		<-ticker.C
	}
}

// sendSomeSignals triggers a few SIGURG and SIGWINCH signals.
func sendSomeSignals() {
	done := make(chan struct{})
	go func() {