285 		if (PTOU(p)->u_signal[sig-1] == SIG_DFL &&  in sigtoproc()
374 	if (PTOU(curproc)->u_signal[sig-1] == SIG_DFL &&  in isjobstop()
506 				    PTOU(p)->u_signal[sig-1] != SIG_DFL ||  in issig_justlooking()
1323 	func = PTOU(curproc)->u_signal[sig-1];  in psig()
1423 		sigorset(&t->t_hold, &PTOU(curproc)->u_sigmask[sig-1]);  in psig()
1424 		if (!sigismember(&PTOU(curproc)->u_signodefer, sig))  in psig()
1426 		if (sigismember(&PTOU(curproc)->u_sigresethand, sig))  in psig()
1505 	user_t *up = PTOU(p);  in fsig()
1570 	PTOU(curproc)->u_signal[sig - 1] = disp;  in setsigact()
1586 		PTOU(curproc)->u_sigmask[sig - 1] = *mask;  in setsigact()
1589 				sigaddset(&PTOU(curproc)->u_sigresethand, sig);  in setsigact()
1591 				sigdelset(&PTOU(curproc)->u_sigresethand, sig);  in setsigact()
1594 			sigaddset(&PTOU(curproc)->u_signodefer, sig);  in setsigact()
1596 			sigdelset(&PTOU(curproc)->u_signodefer, sig);  in setsigact()
1598 			sigaddset(&PTOU(curproc)->u_sigrestart, sig);  in setsigact()
1600 			sigdelset(&PTOU(curproc)->u_sigrestart, sig);  in setsigact()
1602 			sigaddset(&PTOU(curproc)->u_sigonstack, sig);  in setsigact()
1604 			sigdelset(&PTOU(curproc)->u_sigonstack, sig);  in setsigact()
1670 	struct user *up = PTOU(p);  in sigdefault()
1722 		    PTOU(pp)->u_signal[SIGCLD - 1] == SIG_IGN) {  in sigcld()
2599 	func = PTOU(p)->u_signal[SIGPROF - 1];  in realsigprof_slow()
2649 	func = PTOU(p)->u_signal[SIGPROF - 1];  in realsigprof_fast()
2674 	sigorset(&t->t_hold, &PTOU(p)->u_sigmask[SIGPROF - 1]);  in realsigprof_fast()
2675 	if (!sigismember(&PTOU(p)->u_signodefer, SIGPROF))  in realsigprof_fast()
2725 	    sigismember(&PTOU(p)->u_sigresethand, SIGPROF)) {  in realsigprof()