Hi Stéphane, Have you filed a bug report for this issue yet? That would be the best way forward to try to understand and hopefully resolve the problem you're running into.
Dieter > On Jan 7, 2015, at 8:38 AM, Stéphane Sudre <[email protected]> wrote: > > Problem: > -------- > > I have a launchd daemon that performs DNS requests using getaddrinfo to > retrieve the IP(s) for a series of hosts' names. > > • On Yosemite: > > The requests all fail (EAI_NONAME) when they are run just after the daemon > has been launched. They also fail 1 minute later. They again fail 1 minute > later. And they again fail 1 minute later. > > Killing the process via Activity Monitor (*) automatically restarts the > daemon as expected. > > And then the requests that should succeed do succeed on the first attempt. > > Also if you were to perform a nslookup (from the Terminal) query during that > time with the same hosts' names, it would work fine. > > > • On Mountain Lion: > > The requests that should succeed do succeed. At least on the computer I used. > > Discussion: > ----------- > > I could understand that just after boot time the DNS APIs would not be ready. > I can not understand why they still do not work 3 minutes after startup time. > > Question: > --------- > > What could prevent the getaddrinfo from working? Could it be some mach > bootstrap context issue? > > > > According to the doc, this API is supposed to be thread safe. A hostname is > correctly provided, a hints structure is provided (using NULL does not solve > the issue). > > > > (*) I'm wondering whether it's the designed behavior of Activity Monitor that > you can force kill a root process without having to enter your admin password. > > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Macnetworkprog mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/macnetworkprog/dieter%40apple.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Macnetworkprog mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/macnetworkprog/archive%40mail-archive.com This email sent to [email protected]
