MCE has been released for Perl. This is how one could do this with MCE. Not knowing what you're wanting to do in the main caller, the example has 2 callback functions.
Both workers run in parallel below. Workers never exit due to running inside a never ending loop. The do method passes data back to the main process or thread.
http://code.google.com/p/many-core-engine-perl/
https://metacpan.org/module/MCE
use MCE;
sub proc1 {
my $hash_ref = shift;
for (keys %{ $hash_ref }) {
print $_, ': ', $hash_ref->{$_}, "\n";
}
}
sub proc2 {
my $hash_ref = shift;
for (keys %{ $hash_ref }) {
print $_, ': ', $hash_ref->{$_}, "\n";
}
}
my $mce = MCE->new(
max_workers => 2,
user_func => sub {
my ($self) = @_;
while (1) {
if ($self->wid == 1) {
my %hash1 = ( 'key1' => 'value1' );
$self->do('proc1', \%hash1);
}
else {
my %hash2 = ( 'key2' => 'value2' );
$self->do('proc2', \%hash2);
}
sleep(600);
}
}
);
$mce->run;
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