Return the list of currently defined Shepherd services, represented as <live-service> objects. Return #f if the list of services could not be obtained.

Wait for the service providing NAME, a symbol, to be up and running, and return its "running value". Give up after TIMEOUT seconds and raise a '&shepherd-error' exception. Raise a '&service-not-found-error' exception when NAME is not found.

Eval EXP in the Shepherd.

Return the currently defined Shepherd service NAME, as a <live-service> object. Return #f if the service could not be obtained. As a special case, (current-service 'root) returns all the current services.

Load and register the services from FILES, where FILES contain code that returns a shepherd <service> object.

Unload SERVICE, a symbol name; return #t on success.