Add sigaltstack() prototype - Round 2

Corinna Vinschen
Fri Aug 15 13:46:00 GMT 2014

Hi Joel,

On Aug 15 08:26, Joel Sherrill wrote:
> Hi
> The RTEMS Project has been porting more and more FreeBSD code
> for capabilities like IPV6, USB, and user level commands. We are
> trying very hard not to have to modify the source code as we
> move it over. Some of the kernel code we have brought over
> resulted in this needing to be added.
> I first proposed v1 of this patch 2 years ago and dropped it.
> I attempted address those comments though. See the other
> recent thread.
> This method is defined here:
> One odd thing is that newlib uses <sys/signal.h> for <signal.h> prototypes
> so I followed the pattern.   Not much really to the patch. It adds:
> + typedef struct  sigaltstack {...} stack_t
> + sigaltstack() prototype protected
> The big question (as always) is whether or not the guards on the methods
> are correct.
> 2014-08-15 Joel Sherrill <...>
>     * libc/include/sys/signal.h: Add sigaltstack() support.

Shouldn't this patch define the available flags, too?


Corinna Vinschen
Cygwin Maintainer
Red Hat
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