Why [?php while (true) { sleep(5); } ?] dies on CLI?

[Jean-Pierre Arneodo <jparneodo@xxxxxxxx>]

Hi!
I'm stuck.
I don't understand why the php CLI dies after 3 hours in my script.
Any idea to solve?
Thanks


PHP 5.2.9-0.dotdeb.2 with Suhosin-Patch 0.9.7 (cli) (built: Apr  7 2009 20:06:36)
Linux ubuntu  2.6.24-19-server #1 SMP Wed Jun 18 14:44:47 UTC 2008 x86_64 GNU/Linux

Conf [php.ini]
max_execution_time=0

<?php
while (true) {
        sleep(5);
}
?>