y2038: signal: add compat_sys_rt_sigtimedwait_time64

Now that 32-bit architectures have two variants of
sys_rt_sigtimedwaid() for 32-bit and 64-bit time_t, we also
need to have a second compat system call entry point on the
corresponding 64-bit architectures.

The traditional system call keeps getting handled
by compat_sys_rt_sigtimedwait(), and this adds a new
compat_sys_rt_sigtimedwait_time64() that differs only in
the timeout argument type.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
1 file changed