#!/usr/bin/perl

$|++;
use strict;
use warnings;
use diagnostics;

use CGI::Carp qw(fatalsToBrowser);
use CGI;
use Fcntl qw(:flock);
use File::Spec;

my $log_file = File::Spec->catfile($ENV{'DOCUMENT_ROOT'},'logs','sig_test.txt');

$SIG{'PIPE'} = 'IGNORE';
$SIG{'TERM'} = \&sig_handler;

my $handling_request = 1;
my $query = new CGI;
print $query->header('-type' => 'text/html; charset=iso-8859-1');
print $query->start_html();
foreach my $step(0..5){
    print $query->br($step);
    sleep 1;
}
print $query->end_html();
&log_it("Script finished");
$handling_request = 0;


sub log_it{
    my $text = shift;
    open(LOG, ">> $log_file") or die("open(LOG, >> $log_file) failed $!");
    flock(LOG, LOCK_EX);
    print LOG scalar(localtime) . ' ' . $text . "\n";
    close(LOG) or die("close(LOG) failed $!");
    return;
}
sub sig_handler(){
    if($handling_request){
        &log_it("Script broken");
        exit;
    }
}