//go:build !unix
package dotlk
import"os"// TryLock returns nil if it acquired the lock,
// fs.ErrExist if another process has the lock.
funcTryLock(name string) error {
f, err := os.OpenFile(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0666)
f.Close()
return err
}