use strict;
use Win32::Daemon;

# Tell the OS to start processing the service...
Win32::Daemon::StartService();

# Wait until the service manager is ready for us to continue...
while(SERVICE_START_PENDING != Win32::Daemon::State()) {
   sleep(1);
}

# Now let the service manager know that we are running...
Win32::Daemon::State( SERVICE_RUNNING );

# Okay, go ahead and process stuff...
while(1) {
   # delete all *.tmp files at c:\temp
   unlink( glob( "c:\\temp\\*.tmp" ) ); 
   last unless keep_alive();
   sleep(5); # and wait
   last unless keep_alive();
}

# Tell the OS that the service is terminating...
Win32::Daemon::StopService();

sub keep_alive {
   my $msg = Wun32::Daemon::QueryLastMessage();
   return (
      $msg != SERVICE_STOP_PENDING and
      $msg != SERVICE_CONTROL_SHUTDOWN
   );
}