[Info-vax] Looking into C-include files on VMS

Joerg Schilling js at cs.tu-berlin.de
Thu Nov 5 09:33:01 EST 2009


In article <bfd2f39f-d723-411b-a309-933443796655 at a21g2000yqc.googlegroups.com>,
John Wallace  <johnwallace4 at yahoo.co.uk> wrote:

>How on earth do folk think VMS got the "Single UNIX Specification"
>branding it got back in 1992, before most of the well known UNIXes
>achieved it?

I don't know what has been tested in 1992. Today, it is impossible for VMS
to get UNIX branding as long as system() does not call a POSIX shell but
the VMS command line interpreter. open(2) may be another problem.


For the rest, I am impressed how close OpenVMS is to current standards.


>If "some way to share data" meant "shared memory" then someone whose
>knowledge of VMS's Posix (shm_open() etc) and System V (shmget() etc)
>shared memory APIs is more up to date than mine will be able to
>enlarge on that, if anyone's interested.

The autoconf tests I did run yesterday told me that shmget() does not work.

-- 
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