2007/5/16, Gilles Chanteperdrix <[EMAIL PROTECTED]>: > Eric Noulard wrote: > > > > I was about to say just the same but before developing my idea > > I have xenomai question: > > Are the share memory region obtained by shm_open > > shareable between kernel task and user task just like > > rt_heap_create/rt_heap_alloc does (read from the doc). > > Well, if you found rt_heaps doc, it would have been easy to have a look > at posix shared memory doc as well...
I should have said it but in fact I did read the doc yesterday and didn't find the answer. I reread it more carefully tonight and find it. Sorry about that. > Anyway, yes, on platforms where > sharing a memory area between kernel space and user-space is not a > problem, posix shared memory are shareable. On ARM, it is a no go > because of the cache architecture. Thank you very much for your answer :)) And please excuse me for my too fast read. I will read doc more carefully next time. -- Erk _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
