Ingo wrote:
> On Sun, 1 Sep 2002, Amos Waterland wrote:
>
>> That is the fundamental problem with a userspace shared memory
>> implementation: write permissions on a message queue should grant
>> mq_send(), but write permissions on shared memory grant a lot more than
>> just that.
>
> is it really a problem? As long as the read and write queues are separated
> per sender, all that can happen is that a sender is allowed to read his
> own messages - that is not an exciting capability.
>
Messages with the same prio are ordered - a separated per sender queue
would break SuS.
--
Manfred
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This archive was generated by hypermail 2b29 : Sat Sep 07 2002 - 22:00:22 EST