module Netsys_pollset_posix:Pollsets for POSIX operating systemssig
..end
val poll_based_pollset : unit -> Netsys_pollset.pollset
poll
system
call.
Win32: On Win32 this implementation works, but only for sockets,
and is not cancellable in multi-threaded programs. (This is a
restriction because we have to map it to the select
call of the
WinSock layer.)
val reset : unit -> unit
fork
to free these descriptors.