09-04-2010
How to keep process running after apache restart.
Hi, I have a PHP application that starts a couple of processes on the server...the problem is that if I restart apache those running apps will die.
How can I start them in a way that they are not killed when I restart/stop apache ?
PHP Code:
$cmdstr = "nohup ".$config['hsp_path']."/".$config['sc_trans']." ".$config['hsp_path']."/autodjs/".$port."/".$srvname.".conf";
$cmdstr .= " > /dev/null & echo $!";
$pid = shell_exec($cmdstr);
This is how I start that app.
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pcastctl(8) BSD System Manager's Manual pcastctl(8)
NAME
pcastctl -- Podcast Producer daemons control interface
SYNOPSIS
pcastctl status target on|off|start|stop|restart
OPTIONS
The available options are as follows:
status print status of running daemons
target affect agent or server daemon
start|stop|restart explicitly start/stop/restart daemon. Note that 'restart' will kill all instances of a given daemon, as will
'stop' if none is specified in the pid file.
RETURN VALUES
0 Completed succesfully.
1 Action failed
10 Not run as root.
50 Target not recognized: use 'a', or 's'.
51 Action not recognized: use start|stop|restart
52 Executables not found; may need to reinstall Podcast Producer.
53 Process directory not found; may need to reinstall Mac OS X.
54 Timeout waiting for action to complete.
55 Launchd manipulation failure.
FILES
/usr/libexec/podcastproducer/pcastagentd
Podcast Producer agent daemon
/usr/share/podcastproducer/pcastserverd
Podcast Producer server daemon
/var/run/pcastagentd.pid
Podcast Producer agent process ID
/var/run/pcastserverd.pid
Podcast Producer server process ID
/System/Library/LaunchDaemons/com.apple.pcastagentd.plist
Launchd agent daemon control file
/System/Library/LaunchDaemons/com.apple.pcastserverd.plist
Launchd server daemon control file
EXAMPLES
status of Podcast Producer agent daemon
$ pcastctl agent status
edit launchd configuration to launch server on system startup
$ pcastctl server on
DIAGNOSTICS
Warning: Warning: ## copies of (pcastagentd|pcastserverd) already running
Trying to launch another daemon when one or more already running; will usually succeed, but may cause unpredictable behavior.
See also RETURN VALUES, above.
ERRORS
Error: failed to launch (executable)
Tried to start/restart a give daemon, but failed.
Error: process 'executable' not currently running
Tried to kill a process which did not exist.
SEE ALSO
pcast(1) launchd(8)
HISTORY
This program was first introduced in Mac OS X 10.5 "Leopard". It was inspired by xgridctl(8).
BUGS
pcastctl(8) uses kill -TERM to allow the daemons a chance to die gracefully; there is currently no way to force a kill -KILL.
Bug reports can be sent to bugreport.apple.com
Feedback can be sent to podcastproducer@apple.com
Mac OS September 29, 2004 Mac OS