package main

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

// Raise SIGIO.
static void CRaiseSIGIO(pthread_t* p) {
	pthread_kill(*p, SIGIO);
}
*/
import "C"

import (
	"os"
	"os/signal"
	"sync/atomic"
	"syscall"
)

var sigioCount int32

// Catch SIGIO.
//
//export GoCatchSIGIO
func GoCatchSIGIO() {
	c := make(chan os.Signal, 1)
	signal.Notify(c, syscall.SIGIO)

    @Subject def signal = new DefaultFileLockManager.AwaitableFileLockReleasedSignal()

    def "can reuse signal"() {
        given:
        def signalCount = new AtomicInteger()

        when:
        start {
            while (signalCount.get() < 2) {
                def signaled = signal.await(10000)
                if (signaled) {
                    signalCount.incrementAndGet()

	return false
}

// terminationSignal returns -1 and false because Windows doesn't have signals.
func terminationSignal(err error) (os.Signal, bool) {
	return syscall.Signal(-1), false
}

// isCrashSignal is not implemented because Windows doesn't have signals.
func isCrashSignal(signal os.Signal) bool {
	panic("not implemented: no signals on windows")

# 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'

	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) {

    }

    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) {

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

package main

// This program failed when run under the C/C++ ThreadSanitizer. The
// TSAN library was not keeping track of whether signals should be
// delivered on the alternate signal stack, and the Go signal handler
// was not preserving callee-saved registers from C callers.

/*
#cgo CFLAGS: -g -fsanitize=thread
#cgo LDFLAGS: -g -fsanitize=thread

#include <stdlib.h>

	h.once.Do(func() {
		for _, fn := range h.notify {
			fn()
		}
	})
}

// Signal is called when an os.Signal is received, and guarantees that all notifications
// are executed, then the final handler is executed. This function should only be called once
// per Handler instance.
func (h *Handler) Signal(s os.Signal) {
	h.once.Do(func() {
		for _, fn := range h.notify {
			fn()
		}
		if h.final == nil {

	free(v);

	// On NetBSD, a new thread inherits the signal stack of the
	// creating thread. That confuses minit, so we remove that
	// signal stack here before calling the regular mstart. It's
	// a bit baroque to remove a signal stack here only to add one
	// in minit, but it's a simple change that keeps NetBSD
	// working like other OS's. At this point all signals are
	// blocked, so there is no race.
	memset(&ss, 0, sizeof ss);

//go:build unix
// +build unix

package main

// Test that an external C thread that is calling malloc can be hit
// with SIGCHLD signals. This used to fail when built with the race
// detector, because in that case the signal handler would indirectly
// call the C malloc function.

/*
#include <errno.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <sched.h>