278 		if (PTOU(p)->u_signal[sig-1] == SIG_DFL &&  in sigtoproc()
358 	if (PTOU(curproc)->u_signal[sig-1] == SIG_DFL &&  in isjobstop()
490 				    PTOU(p)->u_signal[sig-1] != SIG_DFL ||  in issig_justlooking()
1307 	func = PTOU(curproc)->u_signal[sig-1];  in psig()
1407 		sigorset(&t->t_hold, &PTOU(curproc)->u_sigmask[sig-1]);  in psig()
1408 		if (!sigismember(&PTOU(curproc)->u_signodefer, sig))  in psig()
1410 		if (sigismember(&PTOU(curproc)->u_sigresethand, sig))  in psig()
1489 	user_t *up = PTOU(p);  in fsig()
1554 	PTOU(curproc)->u_signal[sig - 1] = disp;  in setsigact()
1570 		PTOU(curproc)->u_sigmask[sig - 1] = *mask;  in setsigact()
1573 				sigaddset(&PTOU(curproc)->u_sigresethand, sig);  in setsigact()
1575 				sigdelset(&PTOU(curproc)->u_sigresethand, sig);  in setsigact()
1578 			sigaddset(&PTOU(curproc)->u_signodefer, sig);  in setsigact()
1580 			sigdelset(&PTOU(curproc)->u_signodefer, sig);  in setsigact()
1582 			sigaddset(&PTOU(curproc)->u_sigrestart, sig);  in setsigact()
1584 			sigdelset(&PTOU(curproc)->u_sigrestart, sig);  in setsigact()
1586 			sigaddset(&PTOU(curproc)->u_sigonstack, sig);  in setsigact()
1588 			sigdelset(&PTOU(curproc)->u_sigonstack, sig);  in setsigact()
1654 	struct user *up = PTOU(p);  in sigdefault()
1706 		    PTOU(pp)->u_signal[SIGCLD - 1] == SIG_IGN) {  in sigcld()
2583 	func = PTOU(p)->u_signal[SIGPROF - 1];  in realsigprof_slow()
2633 	func = PTOU(p)->u_signal[SIGPROF - 1];  in realsigprof_fast()
2658 	sigorset(&t->t_hold, &PTOU(p)->u_sigmask[SIGPROF - 1]);  in realsigprof_fast()
2659 	if (!sigismember(&PTOU(p)->u_signodefer, SIGPROF))  in realsigprof_fast()
2709 	    sigismember(&PTOU(p)->u_sigresethand, SIGPROF)) {  in realsigprof()