#!/usr/bin/perl
use strict;
use warnings;
use threads;
use threads::shared;

print "Starting main program\n";

my @threads;
for ( my $count = 1; $count <= 10;$count++) {
        my $t = threads->new(\&sub1);
        push(@threads,$t);
}
foreach (@threads) {
        $_->join;
}
print "End of main program\n";

sub sub1 {
        //do something
}