On Sat, May 29, 2010 at 9:19 PM, Roger Binns <rog...@rogerbinns.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 05/29/2010 02:01 PM, Richard Hipp wrote: > > Does anybody know if mmap() works for network files? > > It does. However there is no way to ensure that everyone seeing the file > will have a consistent view of it. This is especially the case when they > are on different machines. > > However there can even be consistency issues when all client processes are > on the same machine. This is because the client operating system should be > segmenting its cache by user - ie if my user and your user map the same > network file they should not share the client cache - as that is wonderful > way of doing cache poisoning attacks. > Good to know. Would moving to shm_open() help? I haven't do that yet because (I read) shm_open() requires -lrt when you link and I like keeping the number of dependencies to a minimum. > > Roger > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAkwBvSkACgkQmOOfHg372QT4NwCgnxbBlQZVisfxJWqy+yPnvzon > gmAAnj8LnoZq4wIyYO3AcZTxbEDQP/Z3 > =uKqk > -----END PGP SIGNATURE----- > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > -- --------------------- D. Richard Hipp d...@sqlite.org _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
