1. Start a react server.

2. Ctrl + C (Keyboard interrupt signal)

   PHP Warning: stream_select(): unable to select [4]: Interrupted system call (max_fd=4) in vendor/react/react/src/React/EventLoop/StreamSelectLoop.php on line 141

PHP:

PHP 5.5.1-2+debphp.org~precise+2 (cli) (built: Aug  6 2013 10:49:43) 
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2013 Zend Technologies
with Xdebug v2.2.3, Copyright (c) 2002-2013, by Derick Rethans

Note:

• I'm using custom signal handler to close the server ( $loop->stop() )