view demo/broadcast.urs @ 1437:493e087f5479

Exit periodic loop if a ROLLBACK fails, to avoid infinite looping when the database server is brought down
author Adam Chlipala <adam@chlipala.net>
date Fri, 18 Mar 2011 09:12:55 -0400
parents 4e260887d8f2
children
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functor Make(M : sig type t end) : sig
    type topic

    val inj : sql_injectable topic

    val create : transaction topic
    val subscribe : topic -> transaction (channel M.t)
    val send : topic -> M.t -> transaction unit

    val subscribers : topic -> transaction int
end