[lkml]   [2002]   [Sep]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [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.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:28    [W:0.041 / U:0.332 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site