Date: Fri, 18 Oct 2013 16:07:30 -0400 From: Julio Merino <julio@meroh.net> To: Konstantin Belousov <kostikbel@gmail.com> Cc: ppc@freebsd.org Subject: Re: powerpc/183040: Nested signal handling is broken Message-ID: <CADyfeQWCaS7SfOh%2B=1762pEUJhTarQHe2MMpFov_TCWdWQ43_A@mail.gmail.com> In-Reply-To: <20131017073158.GB3865@kib.kiev.ua> References: <201310162349.r9GNnDud012497@mastodon.meroh.net> <20131017073158.GB3865@kib.kiev.ua>
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On Thu, Oct 17, 2013 at 3:31 AM, Konstantin Belousov
<kostikbel@gmail.com> wrote:
> What you could do, is to localize the point where the breakage occur.
> Add a function like this:
>
> static void
> print_sig_disposition(int signo)
> {
> struct sigaction sa;
> sigaction(signo, NULL, &sa);
> printf("sig %d handler %p\n", signo, sa.sa_handler);
> }
>
> and sprinkle a calls to it often enough, to see where the reset of the
> disposition happens. Insert the call to the function into the signal
> handler as well.
As far as I can tell, the sa_handler remains set all the time. It's
correct before the call to kill().
--
Julio Merino / @jmmv
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