Re: SA_SIGINFO in Linux 2.4.x
Hi,
That worked for me. Seems to be the easiest way . But can I always
expect void * to be ucontext * ?.
-aneesh
On Fri, 2002-08-02 at 18:11, Daniel Barlow wrote:
>
> On Fri, 2002-08-02 at 04:14, Camm Maguire wrote:
> > Greetings! The 2.4.x kernels on alpha don't appear to be filling in
> > the si_addr element of the siginfo_t structure when a signal handler
> > is setup with SA_SIGINFO. Is this right? Any other way to get this
> > address in the handler?
>
> You may be able to use the third argument to the signal handler:
> given a handler declared as (int n, siginfo_t *info,struct ucontext *context),
> look at context->uc_mcontext.sc_traparg_a0
>
> SBCL has been doing this for a few months now and nobody has yet
> complained that it's broken for them. Look for arch_get_bad_addr
> in http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/sbcl/sbcl/src/runtime/alpha-arch.c?rev=1.14&content-type=text/vnd.viewcvs-markup
>
>
>
> -dan
>
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