# flock [![Go Reference](https://pkg.go.dev/badge/github.com/gofrs/flock.svg)](https://pkg.go.dev/github.com/gofrs/flock) [![License](https://img.shields.io/badge/license-BSD_3--Clause-brightgreen.svg?style=flat)](https://github.com/gofrs/flock/blob/main/LICENSE) [![Go Report Card](https://goreportcard.com/badge/github.com/gofrs/flock)](https://goreportcard.com/report/github.com/gofrs/flock) `flock` implements a thread-safe file lock. It also includes a non-blocking `TryLock()` function to allow locking without blocking execution. ## Installation ```bash go get -u github.com/gofrs/flock ``` ## Usage ```go import "github.com/gofrs/flock" fileLock := flock.New("/var/lock/go-lock.lock") locked, err := fileLock.TryLock() if err != nil { // handle locking error } if locked { // do work fileLock.Unlock() } ``` For more detailed usage information take a look at the package API docs on [GoDoc](https://pkg.go.dev/github.com/gofrs/flock). ## License `flock` is released under the BSD 3-Clause License. See the [`LICENSE`](./LICENSE) file for more details. ## Project History This project was originally `github.com/theckman/go-flock`, it was transferred to Gofrs by the original author [Tim Heckman ](https://github.com/theckman).