NAME

POE::Wheel::Spawner - A simple subprocess spawner

DESCRIPTION

POE::Wheel::Spawner starts on run only one subprocess for the workload. Until number of subprocesses does not exceed pool_size each subprocess can spawn another one.

VERSION

Version v0.03.2

SYNOPSIS

    use POE::Wheel::Spawner;

    my $foo = POE::Wheel::Spawner->new(
                pool_size => 2,
                stop_if_done => 1,
                workload => sub { _workload() }
        );

    $foo->run();

    sub _workload {

        # request for a new sibling
        $foo->spawn($$);

        # ...
    }

SUBROUTINES/METHODS

new(%arg)

Arguments:

• pool_size

  the number of maximal parallel executed workload

• stop_if_done

  stop after all pool_size pid's are exited.

  run endless if !stop_if_done

• workload

  CODE reference to be executed

run(%arg)

optional %arg arguments for POE::Session:

• debug

  default 0

• trace

  default 0

create a POE::Session

run POE::Kernel

spawn($pid)

request to spawn

AUTHOR

Alexei Pastuchov <palik at cpan.org>.

REPOSITORY

https://github.com/p-alik/POE-Wheel-Spawner.git

LICENSE AND COPYRIGHT

Copyright 2014-2016 by Alexei Pastuchov <palik at cpan.org>.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.