Why would a kill -2 not work?
Gary Gatten
Ggatten at waddell.com
Mon May 18 21:55:29 UTC 2009
What he said. It's better to just stick with -9; it almost always
works!
;-)
-----Original Message-----
From: owner-freebsd-questions at freebsd.org
[mailto:owner-freebsd-questions at freebsd.org] On Behalf Of Chuck Swiger
Sent: Monday, May 18, 2009 4:49 PM
To: Peter Steele
Cc: #freebsd-questions
Subject: Re: Why would a kill -2 not work?
Hi--
On May 18, 2009, at 2:45 PM, Peter Steele wrote:
> This is basically what we doing. When the handler is triggered we
> set a global variable to indicate the system is shutting down. I
> also signal a condition to wake up a sleeping thread. The lack of
> log messages indicate that this handler never gets called and the
> system carries on as if the kill -2 never happened.
You're not trying to send a signal within the signal handler itself,
are you? That won't work-- signal delivery is blocked when you're
already running in a signal handler. Also, note that trying to mix
signals with a multithreaded process is complicated....
--
-Chuck
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