NAME

BGS::Future - Background execution of subroutines in child processes.

SYNOPSIS

            

              
              
use BGS::Future;
my $f = future { "from $$\n" };
print $$, " got result ", $f->();
print $$, " has result ", $f->();
my $z = future { sleep 10; "from $$\n" };
$z->cancel();
print $$, " got result ", $_->() foreach map { future { "$_ from $$\n" }; } 1 .. 3;
            
          

DESCRIPTION

It's BGS wrapper.

future or new

Call subroutine in child process.

            

              
              
my $f = future { "from $$\n" };
            
          

or

            

              
              
my $f = BGS::Future->new(sub { "from $$\n" });
            
          

join

Get result.

            

              
              
my $r = $f->();
            
          

or

            

              
              
my $r = $f->join();
            
          

cancel

Kill child processes.

            

              
              
$f->cancel();
            
          

$BGS::limit

Set $BGS::limit to limit child processes count. Default is 0 (unlimited).

AUTHOR

Nick Kostyria

COPYRIGHT AND LICENSE

Copyright (C) 2017 by Nick Kostyria

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.8 or, at your option, any later version of Perl 5 you may have available.