mirror of https://github.com/k3s-io/k3s
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package app
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import (
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"github.com/sigma/go-inotify"
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"k8s.io/klog"
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)
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func watchForLockfileContention(path string, done chan struct{}) error {
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watcher, err := inotify.NewWatcher()
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if err != nil {
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klog.Errorf("unable to create watcher for lockfile: %v", err)
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return err
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}
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if err = watcher.AddWatch(path, inotify.IN_OPEN|inotify.IN_DELETE_SELF); err != nil {
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klog.Errorf("unable to watch lockfile: %v", err)
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return err
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}
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go func() {
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select {
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case ev := <-watcher.Event:
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klog.Infof("inotify event: %v", ev)
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case err = <-watcher.Error:
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klog.Errorf("inotify watcher error: %v", err)
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}
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close(done)
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}()
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return nil
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}
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