From: "H. Peter Anvin" <hpa@zytor.com>
To: David Schwartz <davids@webmaster.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Dumb question: Why are exceptions such as SIGSEGV not logged
Date: Tue, 19 Aug 2003 12:34:56 -0700 [thread overview]
Message-ID: <3F427BE0.2040306@zytor.com> (raw)
In-Reply-To: <MDEHLPKNGKAHNMBLJOLKIEMNFDAA.davids@webmaster.com>
David Schwartz wrote:
>>> There is no mechanism that is guaranteed to terminate a
>>>process other than
>>>sending yourself an exception that is not caught. So in cases
>>>where you must
>>>guarantee that your process terminates, it is perfectly
>>>reasonable to send
>>>yourself a SIGILL.
>
>
>>exit(2)?
>
>
> And what if a registered 'atexit' function needs to acquire a mutex that is
> held by a thread that's in an endless loop? What if a standard I/O stream
> has buffered data for a local disk that failed? I'm looking for a mechanism
> that is guaranteed to terminate a process immediately.
>
Correction...
_exit(2).
There is no exit(2); I was talking about _exit(2) and you're talking
about exit(3).
_exit(2) *is* guaranteed to terminate a process immediately.
-hpa
next prev parent reply other threads:[~2003-08-19 19:38 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-16 20:10 Dumb question: Why are exceptions such as SIGSEGV not logged 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 [this message]
2003-08-19 20:01 ` David Schwartz
2003-08-18 14:31 ` William Lee Irwin III
2003-08-18 17:52 ` Michael Frank
[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
[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
-- strict thread matches above, loose matches on Subject: below --
2003-08-18 1:56 Hank Leininger
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
2003-08-18 22:44 ` Mike Fedyk
2003-08-18 22:53 ` David Schwartz
2003-08-19 6:54 ` Denis Vlasenko
2003-08-19 14:52 ` Valdis.Kletnieks
2003-08-19 18:51 ` David Schwartz
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