Servlets do *not* share the same module instantiations. Each is in a different unique one. They only shared web-server/http and net/url (so that structs can communicate between the server and them.) However, if you use serve/servlet, this is irrelevant because you probably are not instantiating different servlets anyways.
It is possible to explicitly share any number of modules: http://docs.racket-lang.org/web-server-internal/dispatch-servlets.html?q=make-servlet-namespace#(mod-path._web-server/configuration/namespace) and the #:servlet-namespace argument to serve/servlet As I mentioned above, this is most useful for sharing structs and states. Jay On Thu, Mar 15, 2012 at 8:33 PM, Robby Findler <[email protected]> wrote: > Another question: do all servlets (in a single running server) share > the same module instantiations? > > I ask because I want to store some data that the user of the web > server is supplying (on the disk) and I want to be sure that only one > thread reads and writes the data. So if all servlets share the same > module instantiations, I'm set. But if they don't, then I'm in > trouble. > > Robby -- Jay McCarthy <[email protected]> Assistant Professor / Brigham Young University http://faculty.cs.byu.edu/~jay "The glory of God is Intelligence" - D&C 93 ____________________ Racket Users list: http://lists.racket-lang.org/users
