Re: spawning a process that uses pipes -doesn'tterminatewhen webpage download is canceled

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@interjinn.com> > Sent: Monday, June 01, 2009 10:01 AM > To: "bruce" <bedouglas@earthlink.net> > Cc: "'PHP-General List'" <php-general@lists.php.net> > Subject: RE: [PHP] 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. > > -- > > http://www.interjinn.com > > Application and Templating Framework for PHP > > > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > -- http://www.interjinn.com Application and Templating Framework for PHP