diff options
Diffstat (limited to 'gnu/build/shepherd.scm')
| -rw-r--r-- | gnu/build/shepherd.scm | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gnu/build/shepherd.scm b/gnu/build/shepherd.scm index 14bdf4edb8..47920a7b74 100644 --- a/gnu/build/shepherd.scm +++ b/gnu/build/shepherd.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2017, 2018, 2019, 2020 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -21,6 +21,7 @@ #:use-module (gnu build linux-container) #:use-module (guix build utils) #:use-module (srfi srfi-1) + #:use-module (srfi srfi-26) #:use-module (ice-9 match) #:export (make-forkexec-constructor/container)) @@ -91,7 +92,10 @@ ;; XXX: Lazy-bind the Shepherd to avoid a compile-time dependency. (module-autoload! (current-module) - '(shepherd service) '(read-pid-file exec-command)) + '(shepherd service) + '(read-pid-file exec-command %precious-signals)) +(module-autoload! (current-module) + '(shepherd system) '(unblock-signals)) (define* (read-pid-file/container pid pid-file #:key (max-delay 5)) "Read PID-FILE in the container namespaces of PID, which exists in a @@ -158,6 +162,14 @@ namespace, in addition to essential bind-mounts such /proc." (let ((pid (run-container container-directory mounts namespaces 1 (lambda () + ;; First restore the default handlers. + (for-each (cut sigaction <> SIG_DFL) + %precious-signals) + + ;; Unblock any signals that have been blocked + ;; by the parent process. + (unblock-signals %precious-signals) + (mkdir-p "/var/run") (clean-up pid-file) |