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Re: __kernel_vsyscall () hangs in SIGCHLD handler

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From: Ulrich Drepper <drepper@...>
To: John Z. Bohach <jzb2@...>
Cc: <linux-kernel@...>
Subject: Re: __kernel_vsyscall () hangs in SIGCHLD handler
Date: Wednesday, September 26, 2007 - 1:03 pm

On 9/26/07, John Z. Bohach <jzb2@aexorsyst.com> wrote:

Only very few functions are allowed to be called from signal handlers.
 This is clearly spelled out in the POSIX spec.  Section XSH 2.4.3
lists the allowed functions.  syslog of course is not on it.
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Messages in current thread:
__kernel_vsyscall () hangs in SIGCHLD handler, John Z. Bohach, (Wed Sep 26, 10:57 am)
Re: __kernel_vsyscall () hangs in SIGCHLD handler, Ulrich Drepper, (Wed Sep 26, 1:03 pm)
Re: __kernel_vsyscall () hangs in SIGCHLD handler, Mikael Pettersson, (Wed Sep 26, 3:11 pm)
Re: __kernel_vsyscall () hangs in SIGCHLD handler, John Z. Bohach, (Wed Sep 26, 2:51 pm)