Article View: gnu.emacs.bug
Article #99003Re: Emacs dumps core when it receives C-z C-\
From: Roberto Shironoshita
Date: Wed, 19 Dec 1990 16:18
Date: Wed, 19 Dec 1990 16:18
44 lines
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2376 bytes
In article <9012171301.AA14222@iesd.auc.dk> amanda@IESD.AUC.DK (Per Abrahamsen) writes:
> Emacs [on sun4c SunOS 4.1] dumps core with signal 3 when it you press the
> following keys fast after each other:
> C-z C-\
> ravn% gdb /home/dist/bin/emacs core
> (gdb) where
> #0 0x100e48 in ioctl ()
> #1 0x1a720 in stuff_buffered_input ()
> #2 0x1a630 in Fsuspend_emacs ()
> #3 0x3b5e0 in Ffuncall ()
> #4 0x382e8 in Fcall_interactively ()
> #5 0x1a13c in Fcommand_execute ()
> #6 0x18ab4 in command_loop_1 ()
> #7 0x39dd0 in internal_condition_case ()
> #8 0x18184 in command_loop_2 ()
> #9 0x39854 in internal_catch ()
> #10 0x1813c in command_loop ()
> #11 0x17de8 in Frecursive_edit ()
> #12 0x17744 in main ()
> (gdb)
Signal 3 is SIGQUIT. Under the default settings of the SunOS terminal
driver, ^\ (GNUspeak C-\) sends such a signal to the controlling process.
Sounds like a timing problem where emacs sets cooked (or is it cbreak?)
mode just before the ^\ is received and processed by the terminal driver.
To confirm this, you may want to rebind the quit key to the terminal driver
(shell command "stty quit <some other character>") and try the sequence
again.
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--
Roberto Shironoshita || Internet: shirono@ssd.csd.harris.com
Harris Corporation ||
Computer Systems Division || UUCP: ...!uunet!hcx1!shirono
||
DISCLAIMER: The opinions expressed here are my own; they in no way reflect the
opinion or policies of Harris Corporation.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fb2f1,936805222db9f420 X-Google-Attributes: gidfb2f1,public X-Google-ArrivalTime: 1990-12-19 08:18:02 PST Path: arc1-ca.pugleaf.net!gmdzi!unido!mcsun!uunet!shelby!apple!usc!cs.utexas.edu!tut.cis.ohio-state.edu!TRAVIS.SSD.CSD.HARRIS.COM!shirono From: shirono@TRAVIS.SSD.CSD.HARRIS.COM (Roberto Shironoshita) Newsgroups: gnu.emacs.bug Subject: Re: Emacs dumps core when it receives C-z C-\ Message-ID: <SHIRONO.90Dec19111802@gcx1.ssd.csd.harris.com> Date: 19 Dec 90 16:18:02 GMT References: <9012171301.AA14222@iesd.auc.dk> Sender: daemon@tut.cis.ohio-state.edu Reply-To: shirono@travis.ssd.csd.harris.com Distribution: gnu Organization: Harris Computer Systems Lines: 44 Approved: bug-gnu-emacs@prep.ai.mit.edu