old_sa 4242 kernel/signal.c struct k_sigaction new_sa, old_sa; old_sa 4252 kernel/signal.c ret = do_sigaction(sig, act ? &new_sa : NULL, oact ? &old_sa : NULL); old_sa 4256 kernel/signal.c if (oact && copy_to_user(oact, &old_sa.sa, sizeof(old_sa.sa))) old_sa 4415 kernel/signal.c struct k_sigaction new_sa, old_sa; old_sa 4422 kernel/signal.c ret = do_sigaction(sig, &new_sa, &old_sa); old_sa 4424 kernel/signal.c return ret ? ret : (unsigned long)old_sa.sa.sa_handler;