22 lines
595 B
Go
22 lines
595 B
Go
// Copyright (c) 2013 ActiveState Software Inc. All rights reserved.
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package watch
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import (
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"os"
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"launchpad.net/tomb"
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)
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// FileWatcher monitors file-level events.
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type FileWatcher interface {
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// BlockUntilExists blocks until the missing file comes into
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// existence. If the file already exists, returns immediately.
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BlockUntilExists(tomb.Tomb) error
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// ChangeEvents returns a channel of events corresponding to the
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// times the file is ready to be read. The channel will be closed
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// if the file gets deleted, renamed or truncated.
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ChangeEvents(tomb.Tomb, os.FileInfo) chan bool
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}
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