Re: POSIX message queues, libmqueue: mq_open, mq_unlink

[Chris Wright]

* Alex Riesen (fork0@xxxxxxxxxxxxxxxxxxxxx) wrote:
> Chris Wright, Sat, Apr 17, 2004 00:22:17 +0200:
> > The kernel interface is simple and clean.  And in fact, requires no
> > slashes else you'll get -EACCES.  It's not POSIX, but the library
> > interface is.
> > 
> > We just discussed this yesterday:
> > 
> > http://marc.theaimsgroup.com/?t=108205593100003&r=1&w=2
> 
> now, what's is the check in the library for? BTW, it is returning the
> other error code (EINVAL instead of EACCES), just on top of all the
> confusion with slashes.

EINVAL in the library, sure.  EACCES is if you directly use the kernel
interface and pass it a name with any slashes in it.  The two interfaces
(library and kernel) aren't required to be identical.  Kernel is kept
simplest w/ no slashes, library provides POSIX compliance.

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net
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