daemondo defeats purpose of launchd?
ryandesign at macports.org
Sat Sep 1 13:49:34 PDT 2007
On Sep 1, 2007, at 11:47, 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 .
> 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.
Thanks, I didn't even know about startupitem.executable. According to
the new guide, it's the preferred startupitem method, but only 10
ports currently use it! I'll have to look into it.
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