Re: getaddrinfo() fails to use latest DNS address - v2.27

[Tarun Tej K <tarun4690@gmail.com>]

> It could mean that reloading is disabled.  There are a few possible
> causes:
>
> * The noreload option is specified in /etc/resolv.conf.
>
> * The application sets RES_NORELOAD in res.options directly.
>
> * The application updates other data in _res, so that it no longer
>   matches the previously read configuration.
>
> The last part could also happen due to completely different bugs,
> e.g. after heap corruption.
>
> Regarding bugs, I'm not aware of any.  In general, reloading of the
> configuration is inhibited for a thread if it has an attached context.
> Maybe there is a bug in this area.  Do you have a coredump?  It should
> be visible in the current variable in resolv/resolv_context.c.
>
> > Also could you suggest any other tool other than strace to see the
> > call trace of libc runtime?
>
> Systemtap might be an option.
>

Thanks. I'll try those.
Is there any function apart from res_init() and res_ninit() which will
clear the global conf and force to load the global conf freshly upon
the next getaddrinfo()?

Thanks
Tarun