~/httpd/bin/ab -c 10 -n 500 http://peggy:9876/hello
This is ApacheBench, Version 1.3d <$Revision: 1.69 $> apache-1.3
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 1998-2002 The Apache Software Foundation, http://www.apache.org/

Benchmarking peggy (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Finished 500 requests
Server Software:        libwww-perl-daemon/1.26
Server Hostname:        peggy
Server Port:            9876

Document Path:          /hello
Document Length:        12 bytes

Concurrency Level:      10
Time taken for tests:   0.621 seconds
Complete requests:      500
Failed requests:        0
Broken pipe errors:     0
Total transferred:      73500 bytes
HTML transferred:       6000 bytes
Requests per second:    805.15 [#/sec] (mean)
Time per request:       12.42 [ms] (mean)
Time per request:       1.24 [ms] (mean, across all concurrent requests)
Transfer rate:          118.36 [Kbytes/sec] received

##</code><code>##

#!/usr/bin/perl
use bytes;
use HTTP::Daemon;
use HTTP::Status;
$SIG{PIPE} = 'IGNORE';

my $res = HTTP::Response->new(RC_OK);
$res->content("Hello World\n");
$res->content_type('text/plain');

$|++;
my $d = HTTP::Daemon->new( LocalPort => 9876, ReuseAddr => 1 ) || die;
print "Please contact me at: <URL:", $d->url, ">\n";

for ( 1 .. 20 ) {

  my $pid = fork;
  next if $pid;
  next unless defined $pid;
  do {
    flock $d, 2;
    my $c = $d->accept;
    flock $d, 8;
    my $oldfh = select($c);
    $|++;
    select($oldfh);

    while ( my $r = $c->get_request ) {

      if ( $r->method eq 'GET' ) { #and $r->url->path eq "/hello" ) {
        $c->send_response($res);
      }
      else {
        $c->send_error(RC_FORBIDDEN);
      }
    }
    $c->close;
    undef($c);

  } while (1);
  exit 0;
}
while (1) { waitpid( -1, 0 ) }