On Sat, Apr 23, 2011 at 11:26 PM, Alan <a...@malloys.org> wrote: > On Apr 23, 4:41 pm, Ken Wesson <kwess...@gmail.com> wrote: >> On Sat, Apr 23, 2011 at 5:30 PM, Michael Wood <esiot...@gmail.com> wrote: >> > On 23 April 2011 17:31, Ken Wesson <kwess...@gmail.com> wrote: >> >> On Sat, Apr 23, 2011 at 5:12 AM, Zlatko Josic <zlatko.jo...@gmail.com> >> >> wrote: >> >>> Hi, >> >>> I would like to start two progams from Eclipse. One is a server and the >> >>> other one is a client. >> >>> I use Load Clojure file in REPL from Eclipse menu. When I start the >> >>> server >> >>> it never ends because >> >>> the server has endless loop where it waits for clients. Now when I start >> >>> the >> >>> client programs it never >> >>> evaluates because REPL is busy with server program. I suppose it works >> >>> as I >> >>> described. Maybe I am >> >>> wrong I am not sure. >> >>> Any ideas to overcame this situation are welcome. >> >> >> Have the server spawning function (or both, if the client is GUI) just >> >> start a separate thread and immediately return. >> >> >> (In fact, servers normally are multithreaded anyway, aren't they, to >> >> be able to handle multiple concurrent incoming requests.) >> >> > Well, Java servers probably are yes, but traditional Unix servers >> > would normally fork a new process for each incoming connection. >> >> Poor man's threads. Although the insulation of each one against >> crashes in the others might be useful when you're coding in a language >> with memory management tools as primitive as C's. ;) >> >> > There are various ways of doing it. A separate process per client >> > connection; a separate thread per client connection; a single >> > process/thread handling multiple clients with select()/poll()/etc. >> >> For the first one, the JVM startup time is prohibitive; for the third >> you need nonblocking socket I/O, which might be in Java 7 or something >> but isn't available to us JVM-6 users. > > http://download.oracle.com/javase/1.5.0/docs/api/java/nio/channels/package-summary.html#multiplex > > Non-blocking socket IO has been around since 1.5, maybe even 1.4.
Oh? Then why was there a recent thread here about how it's finally made it into Java 7 via JSR something-or-other? -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
