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Message-ID: <20140905185254.GA24471@euler>
Date: Fri, 5 Sep 2014 20:52:55 +0200
From: Felix Janda <felix.janda@...teo.de>
To: musl@...ts.openwall.com
Subject: Re: Add login_tty
Rich Felker wrote:
> On Fri, Sep 05, 2014 at 07:23:52PM +0200, Felix Janda wrote:
[..]
> > The other possibility for dup2 to fail seems to be EINTR.
> > (We already know that fd can't be invalid.)
> > Should this also be checked?
>
> Why would EINTR happen? dup2 does not involve any sleep much less
> interruptible sleep/blocking.
You're right. Only EBUSY, EBADF or EINVAL can happen.
Felix
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