From: Arnd Bergmann <arnd@arndb.de>
To: Krzysztof Benedyczak <golbi@mat.uni.torun.pl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH] 2/6 POSIX message queues
Date: Fri, 20 Feb 2004 14:55:25 +0100 [thread overview]
Message-ID: <200402201455.25782.arnd@arndb.de> (raw)
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.
Arnd <><
next reply other threads:[~2004-02-20 14:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-20 13:55 Arnd Bergmann [this message]
2004-02-20 18:11 ` [RFC][PATCH] 2/6 POSIX message queues Krzysztof Benedyczak
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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