NAME

BGS::Limit - Background execution of subroutines in child processes with limit of child processes.

SYNOPSIS

use BGS::Limit;

my @foo;

foreach my $i (1 .. 7) {
  bgs_call {
    # child process
    return "Start $i";
  } bgs_back {
    # callback subroutine
    my $r = shift;
    push @foo, "End $i. Result: '$r'.\n";
  };
}

my $limit = 3;
bgs_wait($limit);

print foreach @foo;

If $limit == 0, child processes are not used.

ATTENTION

Do not use $_ in bgs_call.

bgs_call do not return kid_pid, but count of kid processes.

SEE

BGS - Background execution of subroutines in child processes.

AUTHOR

Nick Kostirya

COPYRIGHT AND LICENSE

Copyright (C) 2011 by Nick Kostirya

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.