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signals.go
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/
signals.go
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// Copyright 2017 Google LLC All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package signals contains utilities for managing process signals,
// particularly around stopping processes
package signals
import (
"os"
"os/signal"
"syscall"
)
// NewStopChannel returns a channel that closes when os.Interrupt or os.Kill is received
func NewStopChannel() <-chan struct{} {
stop := make(chan struct{})
c := make(chan os.Signal, 2)
signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
go func() {
<-c
close(stop)
}()
return stop
}