From: "Jim Blandy" <jimb@red-bean.com>
To: "Jim Blandy" <jimb@codesourcery.com>, gdb-patches@sourceware.org
Subject: Re: RFA: Make sigthread.exp more reliable
Date: Tue, 29 Jan 2008 19:28:00 -0000 [thread overview]
Message-ID: <8f2776cb0801291121i46404195udb5e9f0d99becd41@mail.gmail.com> (raw)
In-Reply-To: <20080129180922.GK3773@caradoc.them.org>
On Jan 29, 2008 10:09 AM, Daniel Jacobowitz <drow@false.org> wrote:
> On Fri, Jan 11, 2008 at 05:31:59PM -0800, Jim Blandy wrote:
> >
> > sigthread.exp fails intermittently, because the program exits due to a
> > segfault instead of the ^C GDB sends it. I believe this is because
> > the threads throwing signals at each other don't wait until all the
> > pthread_t variables are initialized before they do so. So they
> > occasionally pass an uninitialized pthread_t to pthread_kill, which
> > segfaults.
>
> I'd been wondering what that crash was about...
>
> > 2008-01-11 Jim Blandy <jimb@codesourcery.com>
> >
> > * gdb.threads/sigthread.c: Use barriers to ensure that
> > child_thread and child_thread_two are always initialized before we
> > start to use them.
>
> Looks OK to me!
Committed --- thanks!
prev parent reply other threads:[~2008-01-29 19:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-12 1:32 Jim Blandy
2008-01-29 18:14 ` Daniel Jacobowitz
2008-01-29 19:28 ` Jim Blandy [this message]
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