Lwt_engine.select_based
Abstract class for engines based on a select-like function.
inherit t
method private virtual select : Unix.file_descr list ->
Unix.file_descr list ->
float ->
Unix.file_descr list * Unix.file_descr list
select fds_r fds_w timeout
waits for either:
fds_r
to become readablefds_w
to become writableand returns the list of readable file descriptor and the list of writable file descriptors.