Yup :) https://github.com/golang/go/blob/master/src/sync/mutex.go https://github.com/golang/go/blob/master/src/sync/mutex.go You can easily see what Go does h

Yup :) https://github.com/golang/go/blob/master/src/sync/mutex.go https://github.com/golang/go/blob/master/src/sync/mutex.go You can easily see what Go does here. It's not magic.