unblocked        2822 kernel/signal.c 	sigset_t unblocked;
unblocked        2848 kernel/signal.c 	unblocked = tsk->blocked;
unblocked        2849 kernel/signal.c 	signotset(&unblocked);
unblocked        2850 kernel/signal.c 	retarget_shared_pending(tsk, &unblocked);