Messages in this thread |  | | Date | Wed, 04 Sep 2002 18:03:21 +0200 | From | Manfred Spraul <> | Subject | Re: [PATCH] POSIX message queues |
| |
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
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |