Subj : Re: posix semaphores on AIX To : comp.programming.threads From : Dragan Cvetkovic Date : Fri Jul 29 2005 04:53 pm JONESD@ecr6.ohio-state.edu (David Jones) writes: > In message , Dragan Cvetkovic writes: >>Well, POSIX semaphores are a relativelly new feature. As far as I can see, >>sem_open() is declared in /usr/include/semaphore.h, as they are supposed to >>be, but there is also a comment in that file stating: >> >>/* THIS FILE is for conformance to IEEE POSIX 1003.1c. >> * It describes required symbols for the Realtime option >> * which is NOT SUPPORTED. >> */ > > Isn't 1003.1c 10 years old? Don't know, could well be. But it seems that POSIX IPCs were not really embraced in general. And being part of RT and therefore optional, you can still be POSIX complaint (sp?) without really implementing them (just returning ENOSYS everytime is enough). Dragan -- Dragan Cvetkovic, To be or not to be is true. G. Boole No it isn't. L. E. J. Brouwer !!! Sender/From address is bogus. Use reply-to one !!! .