From: Laurent Bercot <ska-dietlibc@skarnet.org>
To: musl@lists.openwall.com
Subject: Re: [RFC] EINTR and PC loser-ing library design
Date: Mon, 08 Dec 2014 15:45:33 +0100 [thread overview]
Message-ID: <5485B98D.4010603@skarnet.org> (raw)
In-Reply-To: <20141208143223.GB4574@brightrain.aerifal.cx>
On 08/12/2014 15:32, Rich Felker wrote:
> The system call restarts (or, formally, it's as if it were never
> interrupted; EINTR only applies to signal _handlers_).
Could you please provide a pointer to the specification that
guarantees this ? I've never been able to find a normative text that
ensures you will never get EINTR unless you explicitly install a
signal handler without SA_RESTART.
>> And that happens all the time in asynchronous event loops where you
>> handle signals with a self-pipe. ;)
>
> Only if you have installed interrupting signal handlers.
Which basically means any signal except SIGCHLD.
--
Laurent
next prev parent reply other threads:[~2014-12-08 14:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <esmoarexomn.wl-danny.milo+a@gmail.com>
2014-12-08 14:04 ` dannym
2014-12-08 14:10 ` Rich Felker
2014-12-08 14:29 ` Laurent Bercot
2014-12-08 14:32 ` Rich Felker
2014-12-08 14:45 ` Laurent Bercot [this message]
2014-12-08 15:00 ` Rich Felker
2014-12-08 15:09 ` Rich Felker
2014-12-08 15:18 ` dannym
2014-12-08 15:28 ` Rich Felker
2014-12-08 15:49 ` Laurent Bercot
2014-12-08 16:00 ` Rich Felker
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