From: "David Schwartz" <davids@webmaster.com>
To: "Mike Fedyk" <mfedyk@matchmail.com>,
"Hank Leininger" <hlein@progressive-comp.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: RE: Dumb question: Why are exceptions such as SIGSEGV not logged
Date: Mon, 18 Aug 2003 15:39:15 -0700 [thread overview]
Message-ID: <MDEHLPKNGKAHNMBLJOLKIEFLFDAA.davids@webmaster.com> (raw)
In-Reply-To: <20030818210238.GG10320@matchmail.com>
> And why not just catch the ones sent from the kernel? That's the one that
> is killing the program because it crashed, and that's the one the
> origional
> poster wants logged...
Because sometimes a program wants to terminate. And it is perfectly legal
for a programmer who needs to terminate his program as quickly as possible
to do this:
char *j=NULL;
signal(SIGSEGV, SIG_DFL);
*j++;
This is a perfectly sensible thing for a program to do with well-defined
semantics. If a program wants to create a child every minute like this and
kill it, that's perfectly fine. We should be able to do that in the default
configuration without a sysadmin complaining that we're DoSing his syslogs.
DS
next prev parent reply other threads:[~2003-08-18 22:39 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-18 20:50 Hank Leininger
2003-08-18 21:02 ` Mike Fedyk
2003-08-18 21:18 ` Hank Leininger
2003-08-18 21:25 ` Mike Fedyk
2003-08-18 22:12 ` William Lee Irwin III
2003-08-18 22:39 ` David Schwartz [this message]
2003-08-18 22:44 ` Mike Fedyk
2003-08-18 22:53 ` David Schwartz
2003-08-19 6:54 ` Denis Vlasenko
2003-08-19 8:31 ` Proposal (was: Why are exceptions such as SIGSEGV not logged) Jakob Oestergaard
2003-08-19 14:52 ` Dumb question: Why are exceptions such as SIGSEGV not logged Valdis.Kletnieks
2003-08-19 18:51 ` David Schwartz
[not found] <lg0i.6yo.11@gated-at.bofh.it>
[not found] ` <lgjJ.6Oo.5@gated-at.bofh.it>
[not found] ` <lilr.p2.7@gated-at.bofh.it>
[not found] ` <livc.wX.17@gated-at.bofh.it>
2003-08-17 12:43 ` Ihar 'Philips' Filipau
[not found] ` <lj7O.14a.1@gated-at.bofh.it>
2003-08-17 12:52 ` Ihar 'Philips' Filipau
2003-08-17 13:09 ` Alan Cox
[not found] ` <lOll.3Jp.19@gated-at.bofh.it>
2003-08-18 9:34 ` Ihar 'Philips' Filipau
2003-08-18 17:26 ` David Schwartz
-- strict thread matches above, loose matches on Subject: below --
2003-08-18 1:56 Hank Leininger
[not found] <lv8Y.2XU.9@gated-at.bofh.it>
[not found] ` <lv8Y.2XU.11@gated-at.bofh.it>
[not found] ` <lv8Y.2XU.13@gated-at.bofh.it>
[not found] ` <lviD.35d.3@gated-at.bofh.it>
[not found] ` <lviD.35d.1@gated-at.bofh.it>
[not found] ` <lvC1.3p9.11@gated-at.bofh.it>
2003-08-17 14:29 ` Ihar 'Philips' Filipau
2003-08-16 20:10 Michael Frank
2003-08-16 20:49 ` Valdis.Kletnieks
2003-08-16 21:42 ` Jamie Lokier
2003-08-16 23:06 ` David D. Hagood
2003-08-16 23:17 ` Doug McNaught
2003-08-16 23:41 ` Dr. David Alan Gilbert
2003-08-17 8:17 ` Russell King
2003-08-16 23:49 ` Alan Cox
2003-08-17 20:54 ` Jakob Oestergaard
2003-08-18 4:28 ` Michael Frank
2003-08-18 9:15 ` David Schwartz
2003-08-19 2:43 ` H. Peter Anvin
2003-08-19 13:27 ` Jesse Pollard
2003-08-19 19:28 ` David Schwartz
2003-08-19 19:34 ` H. Peter Anvin
2003-08-19 20:01 ` David Schwartz
2003-08-18 14:31 ` William Lee Irwin III
2003-08-18 17:52 ` Michael Frank
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