>  the interesting part is method lib/FreeTunesGui.php
>  
>          # just after update, reload a new process (just like shell
>  exec) ; current process give up, a new one is created
>          protected function reload(){
>                  $this->main_quit();
>                  $cmd = DIR . '/easy-tunes';
>                  $args = array();
>                  pcntl_exec($cmd ,$args, $_ENV);
>          }
>  
>  here, we restart a new process (with GUI) ; this is the shell
>  equivalent of : exec $cmd

Except for the fact that this requires pcntl which is not available on 
windows (and never will be) which kills the "cross platform" magic

You can do the same thing by using popen followed immediately by pclose 
(spawns the process just as well) and die and add a lock check when 
writing files to make sure the original process has shut down.

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