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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"os"
"os/signal"
"sync"
)
// interrupted is closed, if go process is interrupted.
var interrupted = make(chan struct{})
// processSignals setups signal handler.
func processSignals() {
sig := make(chan os.Signal)
signal.Notify(sig, signalsToIgnore...)
go func() {
<-sig
close(interrupted)
}()
}
var onceProcessSignals sync.Once
// startSigHandlers start signal handlers.
func startSigHandlers() {
onceProcessSignals.Do(processSignals)
}