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shepherd: 'read-pid-file/container' terminates the whole process group.

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This mirrors a change made in the Shepherd 0.8.0.  Previously, upon
startup failure, we could have left processes behind.

* gnu/build/shepherd.scm (read-pid-file/container): Kill (- PID) instead
of PID.
This commit is contained in:
Ludovic Courtès 2020-06-12 00:03:07 +02:00
parent b6b95685d0
commit 8a02e45d93
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1 changed files with 2 additions and 1 deletions
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3
gnu/build/shepherd.scm
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@ -105,7 +105,8 @@ (define* (read-pid-file/container pid pid-file #:key (max-delay 5))
(read-pid-file pid-file
#:max-delay max-delay)))
(#f
(catch-system-error (kill pid SIGTERM))
;; Send SIGTERM to the whole process group.
(catch-system-error (kill (- pid) SIGTERM))
#f)
((? integer? container-pid)
;; XXX: When COMMAND is started in a separate PID namespace, its