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From: Christopher Baines <mail@cbaines.net>
To: 70144@debbugs.gnu.org
Subject: bug#70144: system* affects signal handlers
Date: Tue, 02 Apr 2024 15:22:57 +0100	[thread overview]
Message-ID: <87msqbrga2.fsf@cbaines.net> (raw)

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I've encountered a situation where signal handlers don't seem to
run. With the following program, sending it SIGINT won't trigger the
handler, however if you remove the system* call, then the handler will
run.

  (use-modules (ice-9 threads))

  (call-with-new-thread
   (lambda ()
     ;; Remove the following system* call to fix the handler
     (system* "echo" "foo")))

  (sigaction SIGINT
    (lambda (sig)
      (peek "SIGINT handler")
      (exit 1)))

  (for-each
   (lambda _
     (sleep 1))
   (iota 30))

  (display "normal exit\n")

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             reply	other threads:[~2024-04-02 14:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-02 14:22 Christopher Baines [this message]
2024-04-03  8:28 ` bug#70144: system* affects signal handlers Mikael Djurfeldt
2024-05-02 14:17   ` Ludovic Courtès
2024-05-05 16:41     ` Josselin Poiret via Bug reports for GUILE, GNU's Ubiquitous Extension Language
2024-05-06 10:00       ` Ludovic Courtès

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