Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!bionet!apple!motcsd!hpda!hpcupt1!hpisod2!decot From: decot@hpisod2.HP.COM (Dave Decot) Newsgroups: comp.std.internat Subject: Re: IPC Calls in X/Open PG3 Message-ID: <11910001@hpisod2.HP.COM> Date: 17 Jul 89 22:29:01 GMT References: <749@psise.UUCP> Organization: Hewlett Packard, Cupertino Lines: 7 System V IPC (message queues, shared memory, and semaphores) are still optional functionality in XPG3, as they were in XPG2. However, even if an implementation does not support the functionality, the headers and interfaces must still be present. Dave Decot hpda!decot