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Message-ID: <87imsmidvs.fsf@oldenburg2.str.redhat.com>
Date: Mon, 01 Jul 2019 06:21:11 +0200
From: Florian Weimer <fweimer@...hat.com>
To: Markus Wichmann <nullplan@....net>
Cc: musl@...ts.openwall.com
Subject: Re: Conditional signal safety?
* Markus Wichmann:
> at work yesterday I had to build an exception handler (a signal handler
> for SIGSEGV, SIGBUS, SIGILL, and SIGFPE). For my purposes, it was really
> convenient to just use dladdr() to find out at least what module and
> function PC and LR were pointing to when the exception happened, so I
> used that function.
Are these signals generated synchronously, by running code? Then the
rules regarding asynchronous signal safety do not apply.
Thanks,
Florian
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