}
	}
}

// signalWaitUntilIdle waits until the signal delivery mechanism is idle.
// This is used to ensure that we do not drop a signal notification due
// to a race between disabling a signal and receiving a signal.
// This assumes that signal delivery has already been disabled for
// the signal(s) in question, and here we are just waiting to make sure
// that all the signals have been delivered to the user channels

asynchronous signal, a Go signal handler will be installed for that
signal. If, later, Reset is called for that signal, the original
handling for that signal will be reinstalled, restoring the non-Go
signal handler if any.

Go code built without -buildmode=c-archive or -buildmode=c-shared will
install a signal handler for the asynchronous signals listed above,
and save any existing signal handler. If a signal is delivered to a

	// Set up channel on which to send signal notifications.
	// We must use a buffered channel or risk missing the signal
	// if we're not ready to receive when the signal is sent.
	c := make(chan os.Signal, 1)

	// Passing no signals to Notify means that
	// all signals will be sent to the channel.
	signal.Notify(c)

	// Block until any signal is received.
	s := <-c
	fmt.Println("Got signal:", s)

}

// initializationSignalFrom returns an initialization signal function
// which when called signals that watch initialization has already finished
// to priority and fairness dispatcher.
func initializationSignalFrom(ctx context.Context) (InitializationSignal, bool) {
	signal, ok := ctx.Value(priorityAndFairnessInitializationSignalKey).(InitializationSignal)
	return signal, ok && signal != nil
}

func getCachedDlogger() *dlogger {
	mp := acquirem()
	// We don't return a cached dlogger if we're running on the
	// signal stack in case the signal arrived while in
	// get/putCachedDlogger. (Too bad we don't have non-atomic
	// exchange!)
	var l *dlogger
	if getg() != mp.gsignal {
		l = mp.dlogCache
		mp.dlogCache = nil
	}
	releasem(mp)
	return l
}

package main

import "C"

import (
	"os"
	"os/signal"
	"syscall"
	"time"
)

// The channel used to read SIGIO signals.
var sigioChan chan os.Signal

// CatchSIGIO starts catching SIGIO signals.
//
//export CatchSIGIO
func CatchSIGIO() {
	sigioChan = make(chan os.Signal, 1)
	signal.Notify(sigioChan, syscall.SIGIO)
}

// ResetSIGIO stops catching SIGIO signals.
//
//export ResetSIGIO
func ResetSIGIO() {

}

func waitSig(t *testing.T, c <-chan os.Signal, sig os.Signal) {
	t.Helper()
	waitSig1(t, c, sig, false)
}
func waitSigAll(t *testing.T, c <-chan os.Signal, sig os.Signal) {
	t.Helper()
	waitSig1(t, c, sig, true)
}

func waitSig1(t *testing.T, c <-chan os.Signal, sig os.Signal, all bool) {
	t.Helper()

	// Sleep multiple times to give the kernel more tries to
	// deliver the signal.
	start := time.Now()

package main

import "C"

import (
	"os"
	"os/signal"
	"syscall"
	"time"
)

// The channel used to read SIGIO signals.
var sigioChan chan os.Signal

// CatchSIGIO starts catching SIGIO signals.
//
//export CatchSIGIO
func CatchSIGIO() {
	sigioChan = make(chan os.Signal, 1)
	signal.Notify(sigioChan, syscall.SIGIO)
}

// ResetSIGIO stops catching SIGIO signals.
//
//export ResetSIGIO
func ResetSIGIO() {

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())

			physPageSize = val
		}
	}
	return i / 2
}

// raise sends a signal to the calling thread.
//
// It must be nosplit because it is used by the signal handler before
// it definitely has a Go stack.
//
//go:nosplit
func raise(sig uint32) {
	lwp_kill(-1, lwp_gettid(), int(sig))
}

func signalM(mp *m, sig int) {
	lwp_kill(-1, int32(mp.procid), sig)
}