vizjerai/guard-spin — pull request #1 by jstorimer (2011-11-08 08:33:06+00:00)
Title: Spawn 'spin serve' with a fork+exec rather than system

This is working for me.

Spawned the server with a fork+exec so I could hang on to the pid. Then used that pid to kill it with a signal on stop_spin.

Let me know if it's working for you.