What about shm.h stuff ? Its also easy enough to support this approach also.
So I think the choice are. 1.) External address ( user knows what he is doing) 2.) Tmp file shared mmap 3.) Private anon mmap 4.) shm 5.) External allocator ? Esp if we do a surface manager ? ?? On Dec 5, 2007 10:39 AM, Mike Emmel <[EMAIL PROTECTED]> wrote: > Yes I know the change is in sorry. Hopefully we can resolve that > issue first before this gets committed. > > As far as multi-app goes I have to have a real file handle ? > I never found out what SHARED| ANON actually means. > > Finally found a thread on it :) > > http://mail.nl.linux.org/linux-mm/1999-01/msg00034.html > > That was a hidden test question :) > > So we have three cases I think. > > 1.) Preallocated memory user beware if its shareable between processes. > 2.) A file in tmp to allocate real shared memory. > 3.) Driver Allocated but private memory. > > And later people may want to add more like a surface pool. > > So should I just handle the first two cases. If its pre allocated then > in join we just > use the address passed in. I think I need another variable to handle > deciding on 2 or 3. > This could be extended later to also do a pool ? > So something like. > > video-allocate=shared ? > > > > > On Dec 5, 2007 1:13 AM, Denis Oliver Kropp <[EMAIL PROTECTED]> wrote: > > Mike Emmel wrote: > > > Attached is the new ram only system. > > > > In primaryFlipRegion() could should call dfb_surface_flip() at least. > > > > I don't think the multi application core will run. Each process will > > allocate its own chunk of memory, though at the same virtual address. > > > > You need a file in tmpfs. Or is there a way to share anonymous memory? > > > > BTW, your lock change is also in the patch. > > > > -- > > > > Best regards, > > Denis Oliver Kropp > > > > .------------------------------------------. > > | DirectFB - Hardware accelerated graphics | > > | http://www.directfb.org/ | > > "------------------------------------------" > > > _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
