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Class virtual Lwt_engine.poll_based

class virtual poll_based :  object..end

Abstract class for engines based on a poll-like function. Inherits


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.