From: Ulrich Drepper <drepper@redhat.com>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: Michael Kerrisk <mtk-manpages@gmx.net>,
mtk-lkml@gmx.net, rlove@rlove.org, roland@redhat.com,
eggert@cs.ucla.edu, paire@ri.silicomp.fr, torvalds@osdl.org,
tytso@mit.edu, linux-kernel@vger.kernel.org,
michael.kerrisk@gmx.net
Subject: Re: Strange Linux behaviour with blocking syscalls and stop signals+SIGCONT
Date: Thu, 06 Jul 2006 11:55:50 -0700 [thread overview]
Message-ID: <44AD5CB6.7000607@redhat.com> (raw)
In-Reply-To: <44AD599D.70803@colorfullife.com>
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Manfred Spraul wrote:
> 1) I would go further and try ERESTARTSYS: ERESTARTSYS means that the
> kernel signal handler honors SA_RESTART
> 2) At least for the futex functions, it won't be as easy as replacing
> EINTR wiht ERESTARTSYS: the futex functions receive a timeout a the
> parameter, with the duration of the wait call as a parameter. You must
> use ERESTART_RESTARTBLOCK.
Whoa, not so fast. At least the futex syscall but be interruptible by
signals. It is crucial to return EINTR.
--
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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next prev parent reply other threads:[~2006-07-06 18:55 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-03 14:46 Strange Linux behaviour with blocking syscalls and stop signals+SIGCONT Michael Kerrisk
2006-07-04 19:02 ` Manfred Spraul
2006-07-06 9:23 ` Michael Kerrisk
2006-07-06 18:42 ` Manfred Spraul
2006-07-06 18:55 ` Ulrich Drepper [this message]
2006-07-06 19:02 ` Manfred Spraul
2006-07-06 19:10 ` Ulrich Drepper
2006-07-06 19:18 ` Linus Torvalds
2006-07-06 19:28 ` Manfred Spraul
2006-07-06 19:29 ` Manfred Spraul
2006-07-07 4:57 ` Michael Kerrisk
2006-07-07 5:10 ` Linus Torvalds
2006-07-07 5:12 ` Linus Torvalds
2009-11-07 19:43 ` angelo.borsotti
2006-07-07 4:32 ` Michael Kerrisk
2006-07-07 4:57 ` Ulrich Drepper
2006-07-07 5:07 ` Michael Kerrisk
2006-07-07 6:20 ` Ulrich Drepper
2006-07-07 7:03 ` Michael Kerrisk
2006-07-07 7:20 ` Arjan van de Ven
2006-07-07 8:02 ` Michael Kerrisk
2006-07-07 9:26 ` Jakub Jelinek
2006-07-07 13:36 ` Ulrich Drepper
2006-07-07 4:28 ` Michael Kerrisk
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