#!/usr/bin/perl

use warnings;
use strict;
use threads;
use threads::shared;
use Data::Dumper;
use Config;

printf "perl: %s\n", $Config{version};
printf "gcc: %s\n", $Config{gccversion};
printf "threads: %s\n", $threads::VERSION;
printf "threads::shared: %s\n", $threads::shared::VERSION;

my %hash :shared;

sub sub1 {
  sleep 1;
  print STDERR threads->tid();
  print STDERR Dumper \%hash;
}

$hash{a} = &share({});

my $th1 = threads->new('sub1');
$hash{b} = &share({});
my $th2 = threads->new('sub1');

$th1->join();
$th2->join();