//go:build linux && (386 || amd64 || mips || mipsle || mips64 || mipsle || ppc64 || ppc64le || ppc || s390x || sparc64)

package unix

// SYS_ALARM is not defined on arm or riscv, but is available for other GOARCH
// values.

	_SIGXCPU:    {_SigNotify, "SIGXCPU: cpu limit exceeded"},
	_SIGXFSZ:    {_SigNotify, "SIGXFSZ: file size limit exceeded"},
	_SIGVTALRM:  {_SigNotify, "SIGVTALRM: virtual alarm clock"},
	_SIGPROF:    {_SigNotify + _SigUnblock, "SIGPROF: profiling alarm clock"},
	_SIGWINCH:   {_SigNotify, "SIGWINCH: window size change"},
	_SIGSYS:     {_SigThrow, "SIGSYS: bad system call"},
	_SIGIO:      {_SigNotify, "SIGIO: i/o now possible"},

	{_SigKill, "kill"},

	// Interrupts can be handled if desired, otherwise they cause an exit.
	{_SigNotify + _SigKill, "interrupt"},
	{_SigNotify + _SigKill, "hangup"},

	// Alarms can be handled if desired, otherwise they're ignored.
	{_SigNotify, "alarm"},

	// Aborts can be handled if desired, otherwise they cause a stack trace.
	{_SigNotify + _SigThrow, "abort"},

			{
				alarm(HUNG);
				cret = regcomp(&preg, re, flags);
				alarm(0);
			}
#if _REG_subcomp
			if (!cret && (test & TEST_SUB))
			{
				fun = "regsubcomp";
				p = re + preg.re_npat;
				if (!(test & TEST_CATCH))
					cret = regsubcomp(&preg, p, NiL, 0, 0);
				else if (!(cret = setjmp(state.gotcha)))
				{
					alarm(HUNG);

	EAFNOSUPPORT = NewError("address family not supported by protocol")
	ESPIPE       = NewError("illegal seek")
)

// Notes
const (
	SIGABRT = Note("abort")
	SIGALRM = Note("alarm")
	SIGHUP  = Note("hangup")
	SIGINT  = Note("interrupt")
	SIGKILL = Note("kill")
	SIGTERM = Note("interrupt")

	register("NeedmDeadlock", NeedmDeadlock)
}

//export GoNeedM
func GoNeedM() {
}

func NeedmDeadlock() {
	// The failure symptom is that the program hangs because of a
	// deadlock in needm, so set an alarm.
	go func() {
		time.Sleep(5 * time.Second)
		fmt.Println("Hung for 5 seconds")
		os.Exit(1)
	}()

	C.runNeedmSignalThread()
	fmt.Println("OK")

	/* 12 */ {_SigThrow, "SIGSYS: bad argument to system call"},
	/* 13 */ {_SigNotify, "SIGPIPE: write on a pipe with no one to read it"},
	/* 14 */ {_SigNotify, "SIGALRM: alarm clock"},
	/* 15 */ {_SigNotify + _SigKill, "SIGTERM: software termination signal from kill"},
	/* 16 */ {_SigNotify, "SIGUSR1: user defined signal 1"},
	/* 17 */ {_SigNotify, "SIGUSR2: user defined signal 2"},

		return "user defined signal 1"
	case SIGSEGV:
		return "segmentation fault"
	case SIGUSR2:
		return "user defined signal 2"
	case SIGPIPE:
		return "broken pipe"
	case SIGALRM:
		return "alarm clock"
	case SIGTERM:
		return "terminated"
	case SIGCHLD:
		return "child exited"
	case SIGCONT:
		return "continued"
	case SIGSTOP:
		return "stopped (signal)"
	case SIGTSTP:
		return "stopped"

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Alarm(seconds uint) (remaining uint, err error) {
	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
	remaining = uint(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Alarm(seconds uint) (remaining uint, err error) {
	r0, _, e1 := Syscall(SYS_ALARM, uintptr(seconds), 0, 0)
	remaining = uint(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return