[ELDK] Posix Shared Memory

[Markus Klotzbücher]

"Daniel Stonier" <d.stonier at gmail.com> writes:

> In your experience, is there any reason to favour SYSV over Posix? We
> only chose posix keeping in mind that we may wish to port to QNX in the
> future.

Good question. SYSV is a lot heavier than POSIX shared memory and has
some features that POSIX hasn't (get number of attached processes).

Nevertheless i would choose the POSIX variant because shared memory
objects are files that can be addressed through the file system instead
of their own namespace(ftok, ipcs(1) ...)

Best regards

Markus Klotzbücher

--
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-0 Fax: +49-8142-66989-80  Email: office at denx.de