On 30/03/2016 9:15 AM, John McKown wrote:
On Tue, Mar 29, 2016 at 6:36 PM, David Crayford <[email protected]> wrote:
On 29 Mar 2016, at 11:59 PM, Paul Gilmartin <
[email protected]> wrote:
On Tue, 29 Mar 2016 11:30:02 -0400, Scott Ford wrote:
Isnt iBM's Unix System Services based on Posix ?
Relentlessly, but an outdated POSIX. No "cd -P" nor "pwd -L" e.g.
If only the message queues were POSIX and not those horrible System V!
I gotta ask. Why would it make any difference for the same functionality,
message queues, to be POSIX instead of SYSV? Unless you've got some sort of
"POSIX only" rule from some manager.
Simpler, easier to use API. No need to create a file system object and
ftok a token, you can just use a namespace with mq_open() and features
that don't exist
in System V such as mq_notify() spring to mind. In in nutshell it's a
better design. Having said that the System V message queues are better
than nothing and you
don't have to be authorized to use them which is goodness.
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