Messages in this thread |  | | Date | Wed, 4 Sep 2002 13:13:28 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: [PATCH] POSIX message queues |
| |
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.
Ingo
- 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/
|  |