package lwt

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Promises and event-driven I/O

Install

md5=18742da8b8fe3618e3fa700b7a884fe7

sha512=1c51fdb4d0856c89e2df08a1c0095ef28ebd0f613b07b03d0f66501ca5486515562071291e6d0932e57587ed0c9362c8b92c5c9eddb4d2bb2f5e129986b484a7

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.