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Manual Reference Pages  -  IO::LAMBDA::LOOP::SELECT (3)

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NAME

IO::Lambda::Loop::Select - select(2)-based event loop for IO::Lambda

CONTENTS

DESCRIPTION

This is the default implementation of event loop for IO::Lambda. IO::Lambda is designed to be agnostic of event loop choice, but this one is the default, reference implementation. The module is not intended for direct use. The documentation declares the event loop interface rather than explains specificities of the module.

SYNOPSIS



  use IO::Lambda::Loop::Select; # explicitly select the event loop module
  use IO::Lambda;



API

new Creates new instance of IO::Lambda::Loop::Select.
after $RECORD Stores the timeout record. The timeout record is an array, with the following layout: [ $OBJECT, $DEADLINE, $CALLBACK ]. Loop invokes io_handler method on $OBJECT after $DEADLINE is expired.
empty Returns TRUE if there are no records in the loop, FALSE otherwise.
remove $OBJECT Removes all records associated with $OBJECT.
remove_event $RECORD Removes a single event record.
watch $RECORD Stores the IO record. The IO record in an array, with the following layout: [ $OBJECT, $DEADLINE, $CALLBACK, $HANDLE, $FLAGS ]. Loop invokes io_handler method on $OBJECT either when $HANDLE becomes readable/writable etc, depending on $FLAGS, or after $DEADLINE is expired. $DEADLINE can be undef, meaning no timeout. $FLAGS is a combination of IO_READ, IO_WRITE, and IO_EXCEPTION values.
yield Waits for at least one of the stored record to become active, dispatches events to io_handler method for the records that are active, then removes these records. The invoker must resubmit new records in order continue receiving new events.
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perl v5.20.3 IO::LAMBDA::LOOP::SELECT (3) 2012-03-14

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