/*

* Copyright 2019 The CovenantSQL Authors.

*

* 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 utils

import (

"os"

"os/signal"

"syscall"

)

// WaitForExit waits for user cancellation signals: SIGINT/SIGTERM and ignore SIGHUP/SIGTTIN/SIGTTOU.

func WaitForExit() <-chan os.Signal {

signalCh := make(chan os.Signal, 1)

signal.Notify(

signalCh,

syscall.SIGINT,

syscall.SIGTERM,

)

signal.Ignore(syscall.SIGHUP, syscall.SIGTTIN, syscall.SIGTTOU)

return signalCh

}