Mercurial > urweb
annotate demo/threads.ur @ 1931:1a04b1edded2
Fix regression in http.c for long-polling connections; add lazy initialization of database connections, to avoid the overhead in handlers that don't use SQL
author | Adam Chlipala <adam@chlipala.net> |
---|---|
date | Wed, 11 Dec 2013 14:57:54 -0500 |
parents | 755a71c99be5 |
children |
rev | line source |
---|---|
adamc@697 | 1 fun main () = |
adamc@697 | 2 buf <- Buffer.create; |
adamc@697 | 3 let |
adamc@697 | 4 fun loop prefix delay = |
adamc@697 | 5 let |
adamc@697 | 6 fun loop' n = |
adamc@697 | 7 Buffer.write buf (prefix ^ ": Message #" ^ show n); |
adamc@697 | 8 sleep delay; |
adamc@697 | 9 loop' (n + 1) |
adamc@697 | 10 in |
adamc@697 | 11 loop' |
adamc@697 | 12 end |
adamc@697 | 13 in |
adamc@697 | 14 return <xml><body onload={spawn (loop "A" 5000 0); spawn (loop "B" 3000 100)}> |
adamc@697 | 15 <dyn signal={Buffer.render buf}/> |
adamc@697 | 16 </body></xml> |
adamc@697 | 17 end |