On Thu, Feb 25, 2010 at 04:26:22PM -0600, Peter Steele wrote:
> > We'll likely go with this solution instead of downgrading Python and the
> > related libraries.
>
> In fact I came up with another solution. I realized that since the problem
> was related to the process signal mask, instead of called ntpd directly, wrap
> it up in a C app that resets the signal mask to something that works. I have
> the following code:
>
> sigset_t set, oset;
> sigemptyset(&set);
> pthread_sigmask(SIG_SETMASK, &set, &oset);
> system("/usr/sbin/ntpd -g -q");
> pthread_sigmask(SIG_SETMASK, &oset, NULL);
>
> I wrapped this up into a standalone app and call this from Python instead of
> calling ntpd directly. This solved the problem--no more hang. Thanks very
> much to Kostik Belousov for his "wild guess" that this was related to the
> process signal mask. His guess was dead on.So this is arguably a Python bug. Did you contacted anybody who cares about the Python ?
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