C:\Dokumente und Einstellungen\froschpopo\Eigene Dateien\perl>ppm install thread
s::shared
Installing package 'threads-shared'...
Error installing package 'threads-shared': Read a PPD for 'threads-shared', but
it is not intended for this build of Perl (MSWin32-x86-multi-thread)

This is perl, v5.6.1 built for MSWin32-x86-multi-thread
(with 1 registered patch, see perl -V for more detail)

#!/usr/bin/perl

use warnings;
use strict;
use threads;
use threads::shared;

my $var : shared = 0;

my $th_inc = threads->new( \&kind );

sub kind {
    $var++;
    return 0;
}

print "$var\n"; # sollte 1 ergeben

#!/usr/bin/perl

use warnings;
use strict;
use threads;
use threads::shared;

my $var : shared = 0;

my $th_inc = threads->new( \&kind );

sub kind {
    $var++;
    return 0;
}

while(!$var) {
  print "var: $var\n";
}

print "var: $var\n";

var: 0
var: 0
var: 0
var: 0
var: 0
var: 0
var: 0
var: 0
var: 1