On Fri, Jan 25, 2002 at 10:29:59AM -0500, Ludovic Courtès wrote: > > Well, the binaries are shared, just as any program is on Unix. If > > fifteen people are all running emacs, they all share the same code > > segment for the emacs program. Same for Hurd servers. > > Ok, I didn't know about it. But I'm wondering how, and which part of the OS > `recognizes' that such or such executable has already been loaded and is > available at such address?
It's the pager in the filesystem server. If you io_map the same file twice, you get the same memory object in both cases. See ext2fs/pager.c and libdiskfs/io-map.c, esp the function diskfs_get_filemap. Marcus -- `Rhubarb is no Egyptian god.' Debian http://www.debian.org [EMAIL PROTECTED] Marcus Brinkmann GNU http://www.gnu.org [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.marcus-brinkmann.de _______________________________________________ Help-hurd mailing list [EMAIL PROTECTED] http://mail.gnu.org/mailman/listinfo/help-hurd
