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46 lines
1.6 KiB
Go
46 lines
1.6 KiB
Go
/*
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Copyright 2020 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 inotify // import "k8s.io/utils/inotify"
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import (
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"sync"
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)
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// Event represents a notification
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type Event struct {
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Mask uint32 // Mask of events
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Cookie uint32 // Unique cookie associating related events (for rename(2))
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Name string // File name (optional)
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}
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type watch struct {
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wd uint32 // Watch descriptor (as returned by the inotify_add_watch() syscall)
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flags uint32 // inotify flags of this watch (see inotify(7) for the list of valid flags)
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}
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// Watcher represents an inotify instance
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type Watcher struct {
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mu sync.Mutex
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fd int // File descriptor (as returned by the inotify_init() syscall)
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watches map[string]*watch // Map of inotify watches (key: path)
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paths map[int]string // Map of watched paths (key: watch descriptor)
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Error chan error // Errors are sent on this channel
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Event chan *Event // Events are returned on this channel
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done chan bool // Channel for sending a "quit message" to the reader goroutine
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isClosed bool // Set to true when Close() is first called
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}
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