is there something with the PHP system command that
makes it unable to spawn nohup background processes
perl and PHP are closely related, so i cant really understand
how an external perl program would be able to do things that
PHP couldnt (at least in terms of this specific problem)....
would a PHP call to "system('nohup ... &')" fail, or are your
reasons for suggesting an external program based on
something else other than simple feasability?
ive never had to do anything like that before, and im not
on a linux computer right now, so i cant test it myself.
> -----Original Message-----
> From: Christian Reiniger [mailto:[EMAIL PROTECTED]]
> Subject: Re: [PHP] system()
>
> On Monday 19 February 2001 21:00, ..s.c.o.t.t.. wrote:
> > i am not positive about this, but you could try making
> > the amp process a background process by adding a
> > " &" to the end of the command line
> > (at least if you're using *nix)
>
> That alone won't help - "nohup" is also needed.
> What he could do is write a small Perl/C wrapper for amp, which launches
> the program in the background and returns its process id. Then he can do a
> $AmpPID = system ("launchamp $Arg");
>
> (the wrapper would have to execute "nohup amp $Args &")
>
> and add a 'stop' link
> <a href="ampstop.php?pid=<?= $AmpPID ?>">Stop</a>
>
> And ampstop.php can do a
> system ("kill -KILL $pid");
>
> > > However, when they click Play, I want the same page to be
> > > reloaded again, with nothing selected, and their (previous) selection
> > > to start playing in the background. If they want to change their
> > > selection, they can go ahead and pick other songs, and click Play
> > > again - THIS is where the previous instance of the 'amp' program
> > > should be killed, and a new one started, with the new play list
> > > queued. And of course, it should also have a Stop button on the page
> > > somewhere.
>
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