From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin-patches@cygwin.com
Subject: Re: [PATCH 2/3] Provide ucontext to signal handlers
Date: Wed, 01 Apr 2015 17:53:00 -0000 [thread overview]
Message-ID: <20150401175333.GA13342@calimero.vinschen.de> (raw)
In-Reply-To: <551C2CB7.4@dronecode.org.uk>
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On Apr 1 18:36, Jon TURNEY wrote:
> On 01/04/2015 15:22, Corinna Vinschen wrote:
> >On Apr 1 14:19, Jon TURNEY wrote:
> >>Add ucontext.h header, defining ucontext_t and mcontext_t types.
> >>
> >>Provide sigaction sighandlers with a ucontext_t parameter, containing stack and
> >>context information.
> >>
> >> * include/sys/ucontext.h : New header.
> >> * include/ucontext.h : Ditto.
> >> * exceptions.cc (call_signal_handler): Provide ucontext_t
> >> parameter to signal handler function.
> >
> >Patch is ok with a single change: Please add a "FIXME?" comment to:
> >
> > else
> > RtlCaptureContext();
> >
> >On second thought, calling RtlCaptureContext here is probably wrong.
> >
> >What we really need is the context of the thread when calling
> >call_signal_handler I think.
>
> I had the same thought, but this is going to be quite tricky to achieve.
>
> This patch depends on the change to newlib to add stack_t, so I will wait
> for that to land before committing this patch.
I ACKed the newlib patch already. You can simply omit the RTEMS and
Cygwin checks. Sebastian is right, there's no good reason to guard the
definition like this.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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next prev parent reply other threads:[~2015-04-01 17:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-01 13:20 [PATCH 0/3] Make detailed exception information available to signal handlers (v4) Jon TURNEY
2015-04-01 13:20 ` [PATCH 3/3] Add cygwin_internal() operation to retrieve the EXCEPTION_RECORD from a siginfo_t * Jon TURNEY
2015-04-01 14:23 ` Corinna Vinschen
2015-04-01 13:20 ` [PATCH 1/3] Rename struct ucontext to struct __mcontext Jon TURNEY
2015-04-01 14:01 ` Corinna Vinschen
2015-04-01 13:20 ` [PATCH 2/3] Provide ucontext to signal handlers Jon TURNEY
2015-04-01 14:22 ` Corinna Vinschen
2015-04-01 17:37 ` Jon TURNEY
2015-04-01 17:53 ` Corinna Vinschen [this message]
2015-04-23 13:53 ` Jon TURNEY
2015-04-23 15:32 ` Corinna Vinschen
2015-04-03 22:09 ` Jon TURNEY
2015-04-04 8:40 ` Corinna Vinschen
2015-04-04 16:06 ` Jon TURNEY
2015-04-05 16:58 ` Jon TURNEY
2015-04-07 10:17 ` Corinna Vinschen
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