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ed75533cb1
* optionally protect against multiple starts with flock Fixes #1823 * use traditional .lock extension * move config key to top level
42 lines
1.3 KiB
Markdown
42 lines
1.3 KiB
Markdown
# flock
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[![TravisCI Build Status](https://img.shields.io/travis/gofrs/flock/master.svg?style=flat)](https://travis-ci.org/gofrs/flock)
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[![GoDoc](https://img.shields.io/badge/godoc-flock-blue.svg?style=flat)](https://godoc.org/github.com/gofrs/flock)
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[![License](https://img.shields.io/badge/license-BSD_3--Clause-brightgreen.svg?style=flat)](https://github.com/gofrs/flock/blob/master/LICENSE)
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[![Go Report Card](https://goreportcard.com/badge/github.com/gofrs/flock)](https://goreportcard.com/report/github.com/gofrs/flock)
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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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