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From: culliton@srg.srg.af.mil (Tom Culliton x2278)
To: rc@hawkwind.utcs.toronto.edu
Subject: Signal weirdness
Date: Mon, 14 Mar 1994 15:17:05 -0500	[thread overview]
Message-ID: <9403141517.aa11662@ceres.srg.af.mil> (raw)

I just got a nasty suprise with signal handlers.  While trying to test:

	fn sigwinch {eval `{/usr/bin/X11/resize}}

I discovered that rc (1.5beta1 with GNU readline linked in, under SunOs
(4.1.3) and SCO-ODT (1.1 and 3.0)) dies after running the handler for a
signal that isn't ignored.  For example setting the following:

	fn sighup {echo 'got sighup';sleep 10}

and then sending the shell a sighup (kill -1 11532) from another window
causes it to print the message, wait, and the shell to exit.  If the
signal handler ends with a return command you get an error message but
the shell doesn't die.

This is really ugly, anyone have a clue?  I'd test this without readline
and even dig through code if work wasn't so piled up on my desk.  Maybe
in a week or so.  In the mean time, can anyone else verify this?


             reply	other threads:[~1994-03-14 20:40 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1994-03-14 20:17 Tom Culliton x2278 [this message]
1994-03-14 20:52 ` Chris Siebenmann
1994-03-14 21:46 Byron Rakitzis
1994-03-14 23:13 Tom Culliton x2278
1994-03-15  0:12 ` Vincent Broman
1994-03-15 10:52 malte
1994-03-15 15:15 Alan Watson

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