package lwt

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Promises and event-driven I/O

Install

md5=94272fac89c5bf21a89c102b8a8f35a5

sha512=8951b94555e930634375816d71815b9d85daad6ffb7dab24864661504d11be26575ab0b237196c54693efa372a9b69cdc1d5068a20a250dc0bbb4a3c03c5fda1

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.