On Tue, 2011-04-26 at 06:13 -0600, Jeffrey Barish wrote: > Not exactly a Python question, but I thought I would start here. > > I have a server that runs as a daemon. I can restart the server manually > with the command > > myserver restart > > This command starts a new myserver which first looks up the pid for the one > that is running and sends it a terminate signal. The new one then > daemonizes itself. > > I want the server to be able to restart itself. Will it work to have > myserver issue "myserver restart" using os.system? I fear that the new > myserver, which will be running in a subshell, will terminate the subshell > along with the old myserver when it sends the terminate signal to the old > myserver. If so, what is the correct way to restart the daemon? Will it > work to run the restart command in a subprocess rather than a subshell or > will a subprocess also terminate when its parent terminates?
You should look into tools like daemon-tools, or similar. It already solves this (and many other) problems. -a -- http://mail.python.org/mailman/listinfo/python-list