#!/usr/bin/perl
use strict;
use warnings;
use CGI;
use File::Temp;
 
my $q = new CGI;
 
print $q->header;

my $tmp = File::Temp->new(UNLINK => 0);
my $tmpnam = $tmp->filename;
 
eval {
   local %SIG;
   $SIG{ALRM}=
     sub{
         $tmp->close;
         system("fuser", "-sk", "-TERM", $tmpnam);
         unlink $tmpnam;
         die "timeout reached, after 20 seconds!\n";
     };
   alarm 3;
   
   #sleep (60);
   system("sleep 10 3>$tmpnam");
 
   alarm 0;
};
 
alarm 0;
 
if($@) { print "Error: $@\n"; }
 
exit(0);