mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-20 13:20:18 +00:00
9eaa55506f
This commit updates controller-runtime to v0.9.2 and makes changes in persistentvolume.go to add context to various functions and function calls made here instead of context.TODO(). Signed-off-by: Rakshith R <rar@redhat.com>
46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
/*
|
|
Copyright 2017 The Kubernetes 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 signals
|
|
|
|
import (
|
|
"context"
|
|
"os"
|
|
"os/signal"
|
|
)
|
|
|
|
var onlyOneSignalHandler = make(chan struct{})
|
|
|
|
// SetupSignalHandler registers for SIGTERM and SIGINT. A stop channel is returned
|
|
// which is closed on one of these signals. If a second signal is caught, the program
|
|
// is terminated with exit code 1.
|
|
func SetupSignalHandler() context.Context {
|
|
close(onlyOneSignalHandler) // panics when called twice
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
|
|
c := make(chan os.Signal, 2)
|
|
signal.Notify(c, shutdownSignals...)
|
|
go func() {
|
|
<-c
|
|
cancel()
|
|
<-c
|
|
os.Exit(1) // second signal. Exit directly.
|
|
}()
|
|
|
|
return ctx
|
|
}
|