From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Cygwin's writev() non-standard behavior
Date: Wed, 23 Apr 2014 16:44:00 -0000 [thread overview]
Message-ID: <20140423164443.GP2339@calimero.vinschen.de> (raw)
In-Reply-To: <20140423154825.161280@gmx.com>
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On Apr 23 17:48, qq qq wrote:
> > I applied a patch to CVS.
>
> Thanks. Although I could not see it in ViewVC -- the page stops loading at the "configure" script.
>
> Anyhow, I suppose that check_iovec still returns EINVAL for count==0 in any read functions: simply returning
> "tot"==0 means EOF in many (if not all) of them.
That's perfectly ok:
If count is zero, read() may detect the errors described below. In the
absence of any errors, or if read() does not check for errors, a read()
with a count of 0 returns zero and has no other effects.
This behaviour is also fine for readv.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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next prev parent reply other threads:[~2014-04-23 16:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-23 15:48 qq qq
2014-04-23 16:44 ` Corinna Vinschen [this message]
2014-04-23 18:44 ` Christopher Faylor
-- strict thread matches above, loose matches on Subject: below --
2014-04-23 14:53 qq qq
2014-04-23 16:24 ` Eric Blake
2014-04-23 14:06 qq qq
2014-04-23 14:43 ` Eric Blake
2014-04-23 14:53 ` Eliot Moss
2014-04-23 15:29 ` Corinna Vinschen
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