On Sep 1, 2007, at 9:47 AM, Chris Pickel wrote:
On 01 Sep, 2007, at 4:35, Ryan Schmidt wrote:
I have this problem: the lighttpd web server on my MacBook Pro
unexpectedly dies rather frequently (much more frequently than it
did on my PowerBook). When this happens, the daemondo process is
still there, and I have to use launchctl to unload and then load
the lighttpd plist to get the server running again.
The point of launchd is that it notices when processes
unexpectedly quit, and restarts them automatically so close to no
downtime is observed. But launchd is monitoring daemondo, which
does not exit, so launchd does not restart anything. And daemondo
doesn't seem to have the same process-death-noticing feature so
daemondo is not automatically restarting the failed lighttpd.
Agreed. I try to avoid daemondo when possible. When it isn't
possible, daemondo is an indispensable tool, but it turns out that
for most cases, it's possible to avoid it. I've written many
launchd scripts on my own, several of which I've put online [1].
It's possible to make launchd scripts similar to these in MacPorts
via startupitem.executable, but currently, the startupitem.*
commands in MacPorts do not support setting the "User" key. For
lighttpd, that's not necessary; it starts as root so it can listen
on the privileged port 80, then drops privileges. For mysql,
though, it's pretty important.
Hi Chris et al,
As wrote in another email just now on this thread, daemondo isn't
strictly needed when there is a good executable path to use.
We should probably support a path through startupitem keys that would
allow us to get daemondo out of the picture at least for the case of
inetd, though perhaps it's better then to just not use the
startupitem keys and to supply a launchd.plist instead?
If we need to add support for additional launchd.plist keys such as
user to be used in our generated launchd.plist then we should do so.
Whether or not we also want to add support for the --restart-
netchange of daemondo is another open question.
James
There's also no support for inetd, which I use for rsyncd and cups-
lpd--but these are not things I expect MacPorts to install scripts
for anyway.
Chris
[1] http://xml.sfiera.net/
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