mirror of https://github.com/docker/cli.git
41 lines
1.2 KiB
Markdown
41 lines
1.2 KiB
Markdown
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# flock
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[](https://travis-ci.org/gofrs/flock)
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[](https://godoc.org/github.com/gofrs/flock)
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[](https://github.com/gofrs/flock/blob/master/LICENSE)
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`flock` implements a thread-safe sync.Locker interface for file locking. It also
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includes a non-blocking TryLock() function to allow locking without blocking execution.
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## License
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`flock` is released under the BSD 3-Clause License. See the `LICENSE` file for more details.
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## Go Compatibility
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This package makes use of the `context` package that was introduced in Go 1.7. As such, this
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package has an implicit dependency on Go 1.7+.
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## Installation
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```
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go get -u github.com/gofrs/flock
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```
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## Usage
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```Go
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import "github.com/gofrs/flock"
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fileLock := flock.New("/var/lock/go-lock.lock")
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locked, err := fileLock.TryLock()
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if err != nil {
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// handle locking error
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}
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if locked {
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// do work
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fileLock.Unlock()
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}
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```
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For more detailed usage information take a look at the package API docs on
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[GoDoc](https://godoc.org/github.com/gofrs/flock).
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