[PATCH 2/3] Provide ucontext to signal handlers
Wed Apr 1 17:53:00 GMT 2015
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 Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
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