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From: Florian Weimer <fweimer@redhat.com>
To: Markus Wichmann <nullplan@gmx.net>
Cc: musl@lists.openwall.com
Subject: Re: Conditional signal safety?
Date: Mon, 01 Jul 2019 06:21:11 +0200	[thread overview]
Message-ID: <87imsmidvs.fsf@oldenburg2.str.redhat.com> (raw)
In-Reply-To: <20190629055405.GA22788@voyager> (Markus Wichmann's message of "Sat, 29 Jun 2019 07:54:05 +0200")

* 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


  parent reply	other threads:[~2019-07-01  4:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-29  5:54 Markus Wichmann
2019-06-29  9:33 ` Szabolcs Nagy
2019-06-29 16:49 ` Rich Felker
2019-07-01  4:21 ` Florian Weimer [this message]
2019-07-01 14:06   ` Rich Felker
2019-07-01 15:55     ` Florian Weimer
2019-07-01 16:13       ` Rich Felker

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