Function Lock

pkg/internal/filesystem/lock.go:39–41

Lock places an advisory write lock on the file, blocking until it can be locked. If Lock returns nil, no other process will be able to place a read or write lock on the file until this process exits, closes f, or calls Unlock on it.

(path string)

// If Lock returns nil, no other process will be able to place a read or write lock on the file until
// this process exits, closes f, or calls Unlock on it.
func Lock(path string) (file *os.File, err error) {
	return commonlock(path, writeLock)
}

// ReadOnlyLock places an advisory read lock on the file, blocking until it can be locked.
//