package lwt

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Promises and event-driven I/O

Install

md5=fc4721bdb1a01225b96e3a2debde95fa

sha512=e427f08223b77f9af696c9e6f90ff68e27e02e446910ef90d3da542e7b00bf23dd191ac77c1871288faa2289f8d28fc2f44efc3d3fe9165fe1c7a6be88ee49ff

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

inherit t

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.