Try looking the php help for monitors or semaphores....as this looks
something like a thread....
"Daniel C Bastos" <danielslashlog.org> wrote in message
news:bee3u4$7jb$1newsreader.mailgate.org...> i'm looking for a way to:
> 1. start a new process (exec(), proc_open(), popen(), whatever())
> 2. sleep(some_secs);
> 3. if the process is still running, kill it.
> 4. otherwise, go to 1.
> any ideas on this?