Class virtual Lwt_engine.poll_based
class virtual poll_based : object..end
Abstract class for engines based on a poll-like function.
method private virtual poll :
(Unix.file_descr * bool * bool) list ->
float -> (Unix.file_descr * bool * bool) list
poll fds tiomeout, where fds is a list of tuples of the
form (fd, check_readable, check_writable), waits for either:
- one of the file descriptor with check_readable set to true to become readable
- one of the file descriptor with check_writable set to true to become writable
- timeout to expire
and returns the list of file descriptors with their readable
and writable status.