diff options
Diffstat (limited to 'gnu/services/herd.scm')
| -rw-r--r-- | gnu/services/herd.scm | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/gnu/services/herd.scm b/gnu/services/herd.scm index e16d51b9d0..5c894af6fd 100644 --- a/gnu/services/herd.scm +++ b/gnu/services/herd.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com> ;;; ;;; This file is part of GNU Guix. @@ -136,7 +136,8 @@ does not denote an error." (define* (invoke-action service action arguments cont) "Invoke ACTION on SERVICE with ARGUMENTS. On success, call CONT with the -result. Otherwise return #f." +list of results (one result per instance with the name SERVICE). Otherwise +return #f." (with-shepherd sock (write `(shepherd-command (version 0) (action ,action) @@ -186,30 +187,34 @@ of pairs." "Return the list of currently defined Shepherd services, represented as <live-service> objects. Return #f if the list of services could not be obtained." - (with-shepherd-action 'root ('status) services - (match services - ((('service ('version 0 _ ...) _ ...) ...) - (map (lambda (service) - (alist-let* service (provides requires running) - (live-service provides requires running))) - services)) - (x - #f)))) + (with-shepherd-action 'root ('status) results + ;; We get a list of results, one for each service with the name 'root'. + ;; In practice there's only one such service though. + (match results + ((services _ ...) + (match services + ((('service ('version 0 _ ...) _ ...) ...) + (map (lambda (service) + (alist-let* service (provides requires running) + (live-service provides requires running))) + services)) + (x + #f)))))) (define (unload-service service) "Unload SERVICE, a symbol name; return #t on success." (with-shepherd-action 'root ('unload (symbol->string service)) result - result)) + (first result))) (define (%load-file file) "Load FILE in the Shepherd." (with-shepherd-action 'root ('load file) result - result)) + (first result))) (define (eval-there exp) "Eval EXP in the Shepherd." (with-shepherd-action 'root ('eval (object->string exp)) result - result)) + (first result))) (define (load-services files) "Load and register the services from FILES, where FILES contain code that |