linux-user: Let sigaction query SIGKILL/SIGSTOP

The kernel allows doing this, so let's allow this in qemu as well.
Valgrind relies on this.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210601145600.3131040-2-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
1 file changed