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bug#36838: mcron leaves zombies around
From: |
Robert Vollmert |
Subject: |
bug#36838: mcron leaves zombies around |
Date: |
Mon, 29 Jul 2019 17:39:33 +0200 |
It seems that mcron doesn’t clean up after itself. I regularly see
some zombie processes around, presumably left over by each of my
two 15-minute cron jobs:
root 21285 0.0 0.3 24124 3248 ? Ss 11:05 0:00
/gnu/store/mamwayq00mqs85kgs6ibww7xw6dy776s-mcron-1.1.1/bin/mcron
/gnu/store/rdi71izz4d16v77hb8h2jks0s3q9zini-mcron-job
/gnu/store/k7dn1v7qpi4kz183glmbgsf1c7pj19xx-mcron-job
/gnu/store/lfyj23bzhc14y5rqi91g493jql9dphxk-mcron-job
/gnu/store/mx9k5n92kmhryn3vh4607hrmnkjb8dl6-mcron-job
/gnu/store/l4nxmajr0i5g07fxvrgnaw29zd1jq0qw-mcron-job
root 26611 0.0 0.0 0 0 ? Z 17:29 0:00 [mcron]
<defunct>
root 26612 0.0 0.0 0 0 ? Z 17:29 0:00 [mcron]
<defunct>
In case that matters, they’re defined using the following:
(define puzzledb-tweets-pzv-job
(let* ((exp
(with-imported-modules '((helpers))
#~(begin
(use-modules (helpers))
(let ((backend (read-secret "tools.jwt"))
(twitter (read-secret "twitter.token")))
(runl (string-append #$puzzledb-tools "/bin/tweets")
"-backend_token" backend
"-token" twitter
"-deletes")))))
(script (program-file "puzzledb-tweets-pzv-job" exp)))
#~(job "*/15 * * * *" ; every fifteen minutes
#$script)))
where the module helpers contains:
(define-module (helpers)
#:use-module (ice-9 textual-ports)
#:export (runl read-secret))
(define* (runl prog . args)
(apply execl prog prog args))
(define* (read-secret file)
(string-trim-both
(get-string-all
(open-input-file
(string-append "/etc/puzzledb/secrets/" file)))))
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Robert Vollmert <=