Greatings Respectable Monks....

This is my first attemp in multi-threading so please bear with me.

I have this code 
$|++;
AUTOLOAD;
use strict;
use warnings 'all';
use diagnostics;
use Win32::OLE qw[in];
use threads;
use threads::shared;
my $fso = Win32::OLE->new( 'Scripting.FileSystemObject' );
my @childs;
my @up: shared; 
for (@ARGV){
    print "\n$_\n";
    push @childs, threads->create("Process_path","$_");
    #Process_path($_);
}
foreach my $child (@childs){
    $child->join();
}
print @up;
sub Process_path{
    my ($path) = @_;
    my @folders = $fso->GetFolder( $path);
    my $FSize = $fso->GetFolder($path);
    my $Size = $FSize->size();
    print "Size: $Size\n";
    my $fCount =0;
    my $sCount =0;
    while( @folders ){
        my $folder = pop @folders;
        $fCount += $folder->Files->Count; 
        $sCount += $folder->SubFolders->Count; 
        for my $subFolder ( in $folder->SubFolders ) {
            $fCount += $subFolder->Files->Count;
            push @folders, $_ for in $subFolder->SubFolders ;
            $sCount += $subFolder->SubFolders->Count;
        }}
    print "Files : $fCount, folders : $sCount\n";
    push (@up, $path.": ".$Size.": ".$fCount.": ".$sCount.".");
}

[download]
which is the result of marrying This script, that obtains the number of files and folders for a given path, to This one, that uses a multi-threading technique to ping few servers, so that instead of pinging servers the script will obtain the size, number of files and folders of a list of folders/paths/share…etc.

To me, all I have done is replaced the pinging off server with obtaining the file/folders statistics. But I am getting this error; 
  
Free to wrong pool 1a9e940 not 223f80 at C:\Scripts\threads4_wsh.pl li
+ne 29.
Free to wrong pool 1ab0998 not 223f80 at C:\Scripts\threads4_wsh.pl li
+ne 15.

[download]
Since this my first attemp with multithreading, I am not sure how to fix it.

Your help and Perls of wisdom, as ever, are higly appreciated.

Thanks.

In reply to Starting multi-threading by blackadder

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