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SubjectRe: [RFC][PATCH] 2/6 POSIX message queues
Date
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 <><

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