Re: Request for implementation of KERN_PROC_SIGTRAMP sysctl

[Jason Thorpe]

> On Oct 29, 2021, at 2:45 AM, Martin Husemann <mar...@duskware.de> wrote:
> 
> On Thu, Oct 28, 2021 at 11:14:39AM -0700, Jason Thorpe wrote:
>> We really just need to kill the sigcontext stuff completely.  More to the 
>> point, we should version sigaction() before (or concurrently with) adding 
>> whatever call we add here so as to ensure that it will only ever be a 
>> ucontext.
> 
> Something there is broken in -current, see PR 56471 (freshly compiled macppc
> ntpd tries to use compat_16___sigreturn14).

Yes, and from your description it should have failed to register a “sigcontext” 
handler in the first place.

I’m looking into it.

-- thorpej