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From: Alexander Monakov <amonakov@ispras.ru>
To: musl@lists.openwall.com
Subject: Re: [PATCH] faccessat: fix error code on setreXid failure
Date: Wed, 31 Jan 2018 01:20:45 +0300 (MSK)	[thread overview]
Message-ID: <alpine.LNX.2.20.13.1801310111320.604@monopod.intra.ispras.ru> (raw)
In-Reply-To: <20180130220737.GN1627@brightrain.aerifal.cx>

On Tue, 30 Jan 2018, Rich Felker wrote:
> > We know we are not tracing this child, and stop notifications are only
> > delivered if WUNTRACED is given in flags, aren't they?
> 
> I'm not sure what can happen if it's all running under strace -f or
> something. And I'm not sure what the conditions for stop notifications
> are. If it's assured that they can't happen then maybe the loop can be
> removed.

Well, currently musl is just inconsistent, as in other instance(s?)
(most notably in posix_spawn) it makes a single call to waitpid
without retrying even though the same concerns apply.

Alexander


  reply	other threads:[~2018-01-30 22:20 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-30 20:32 Alexander Monakov
2018-01-30 21:33 ` Rich Felker
2018-01-30 21:51   ` Alexander Monakov
2018-01-30 22:07     ` Rich Felker
2018-01-30 22:20       ` Alexander Monakov [this message]
2018-02-01  3:19         ` Rich Felker

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