Re: [PATCH] Handling SIGSETXID used by glibc NPTL setuid/setgid

[Laurent Vivier]

Le 28/01/2020 à 13:45, Peter Maydell a écrit :
> On Tue, 28 Jan 2020 at 12:33, Taylor Simpson <address@hidden> wrote:
>>
>> I proposed a similar patch guarded by #ifdef TARGET_HEXAGON.  I understand 
>> we don't want to break things that are working, and we don't want to open 
>> the door for a bunch of #ifdef's here.  However, more than one scenario 
>> needs this capability.
>>
>> Would a suitable compromise be to provide a hook in linux-user/signal.c for 
>> the target to put in the changes they need?
> 
> No; this isn't target-specific, and we don't want
> per-target different behaviour.

So I guess the only way to fix the problem is to implement the signal
multiplexing initiated by Milos [1] and tried again by Josh [2].

Any volunteer?

If not, I will try to find some time to do that...

Thanks,
Laurent

[1] "[PATCH 0/5] linux-user: Support signal passing for targets having
more signals than host"

https://patchew.org/QEMU/address@hidden/

[2] https://lists.gnu.org/archive/html/qemu-devel/2019-10/msg00738.html