From: Krzysztof Benedyczak <golbi@mat.uni.torun.pl>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH] 2/6 POSIX message queues
Date: Fri, 20 Feb 2004 19:11:46 +0100 (CET) [thread overview]
Message-ID: <Pine.GSO.4.58.0402201848380.10845@Juliusz> (raw)
In-Reply-To: <200402201455.25782.arnd@arndb.de>
On Fri, 20 Feb 2004, Arnd Bergmann wrote:
> Krzysztof Benedyczak wrote:
>
> > +
> > +struct mq_attr {
> > + long mq_flags; /* message queue flags */
> > + long mq_maxmsg; /* maximum number of messages */
> > + long mq_msgsize; /* maximum message size */
> > + long mq_curmsgs; /* number of messages currently queued */
> > +};
> > +
>
> Does POSIX mandate that these have to be 'long'? If you can change them
> all to any of 'int', '__s32' or '__s64', the handlers for 32 bit system
> call emulation on 64 bit machines will get a lot simpler because the
> 32 bit user structures are then identical to the 64 bit ones.
>
Yes, POSIX defines it to longs. And quess that compability issues should
be handled in kernel?
Krzysztof Benedyczak
next prev parent reply other threads:[~2004-02-20 18:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-20 13:55 [RFC][PATCH] 2/6 POSIX message queues Arnd Bergmann
2004-02-20 18:11 ` Krzysztof Benedyczak [this message]
2004-02-22 12:23 ` Arnd Bergmann
-- strict thread matches above, loose matches on Subject: below --
2004-02-22 15:12 Manfred Spraul
2004-02-19 14:28 Krzysztof Benedyczak
2004-02-19 14:53 ` Christoph Hellwig
2004-02-19 19:07 ` Sam Ravnborg
2004-02-19 19:44 ` Manfred Spraul
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