I've pasted a section of PHP script to pastebin that uses proc_open() to
control mplayer. Glean from it what you will :)
http://pastebin.com/m4dfd2012
Cheers,
Rob.
On Mon, 2009-06-01 at 11:14 -0500, Flint Million wrote:
> Rob: Perfect explanation of my problem. do you have any sample code I could
> look at for proc_open? It looks like it might do what I need but it's a lot
> more complex than popen.
>
> fm
>
> --------------------------------------------------
> From: "Robert Cummings" <robert@xxxxxxxxxxxxx>
> Sent: Monday, June 01, 2009 10:01 AM
> To: "bruce" <bedouglas@xxxxxxxxxxxxx>
> Cc: "'PHP-General List'" <php-general@xxxxxxxxxxxxx>
> Subject: RE: spawning a process that uses pipes -doesn'tterminatewhen
> webpage download is canceled
>
> > On Mon, 2009-06-01 at 07:52 -0700, bruce wrote:
> >> hi robert...
> >>
> >> i got the popen/php process but i don't see how one can stop a
> >> browser/apache process, and somehow reattach to the browser process..
> >> unless
> >> he's talking about stopping a process within the app's context.. and then
> >> contniuing..
> >
> > Hi Bruce,
> >
> > He's spawning child processes to handle the audio changes. These
> > processes are separate processes from the PHP script being run by the
> > webserver. However, they are children of the PHP script process since
> > they have been started by the PHP script via popen() or proc_open(). His
> > problem is that when the user changes page mid load, or shuts down the
> > browser, the PHP script (the parent) is killed off by the webserver, but
> > the child processes, sox and lame, continue to run. This ends up
> > polluting CPU/memory with useless processes. What he wants is to have
> > these processes also die. So by using proc_open() he can retrieve the
> > output from the processes he has started and send that to the connected
> > browser in chunks, but also detect if the browser has dropped its
> > connection in which case he can manually kill of the child processes
> > that aren't being killed automatically. HTH.
> >
> > Cheers,
> > Rob.
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> > http://www.interjinn.com
> > Application and Templating Framework for PHP
> >
> >
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>
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