Date: Tue, 23 Jan 1996 17:09:47 -0700 (MST) From: Terry Lambert <terry@lambert.org> To: jkh@time.cdrom.com (Jordan K. Hubbard) Cc: terry@lambert.org, james@miller.cs.uwm.edu, luigi@labinfo.iet.unipi.it, dufault@hda.com, hackers@FreeBSD.org, hasty@rah.star-gate.com, multimedia@rah.star-gate.com Subject: Re: Amancio's tv program with capture! Message-ID: <199601240009.RAA18629@phaeton.artisoft.com> In-Reply-To: <11117.822434134@time.cdrom.com> from "Jordan K. Hubbard" at Jan 23, 96 01:55:34 pm
next in thread | previous in thread | raw e-mail | index | archive | help
> > mapaddr = mmap( 0, /* map here, 0 = don't care*/ > > DEV_MEM_SIZE, /* device memory window*/ > > I think you're still not undertstanding the question here. mmap() > works fine. It is supported by the driver. We have absolutely no > problem with using mmap()! > > The problem is getting the MIT-SHM extension to work with it by > causing the allocation of the share memory region (which client and > server share) to shadow the frame-buffer. I don't see anything in > your example which would address that problem. The copy has to occur in the client, not in the server. I think you can't make the server map your chosen shared memory region, only make a client map the servers exported memory region. Please see the other posting. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199601240009.RAA18629>