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watcher.go
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watcher.go
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// Copyright 2018-2022 Xilinx Corporation. All Rights Reserved.
// Author: Brian Xu(brianx@xilinx.com)
// For technical support, please contact k8s_dev@amd.com
//
// 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 main
import (
"github.com/fsnotify/fsnotify"
"os"
"os/signal"
)
func newFSWatcher(files ...string) (*fsnotify.Watcher, error) {
watcher, err := fsnotify.NewWatcher()
if err != nil {
return nil, err
}
for _, f := range files {
err = watcher.Add(f)
if err != nil {
watcher.Close()
return nil, err
}
}
return watcher, nil
}
func newOSWatcher(sigs ...os.Signal) chan os.Signal {
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, sigs...)
return sigChan
}