bsd/kern/kern_sig.c

670 	struct uthread *ut;
672 	ut = (struct uthread *)get_bsdthread_info(thread);
683 	ut->uu_siglist |= p->p_siglist;
698 			ut->uu_siglist &= ~mask;
708 	ut->uu_sigstk.ss_flags = SA_DISABLE;
709 	ut->uu_sigstk.ss_size = 0;
710 	ut->uu_sigstk.ss_sp = USER_ADDR_NULL;
711 	ut->uu_flag &= ~UT_ALTSTACK;
728 	struct uthread *ut;
730 	ut = (struct uthread *)get_bsdthread_info(current_thread());
731 	oldmask  = ut->uu_sigmask;
770 	struct uthread *ut;
773 	ut = (struct uthread *)get_bsdthread_info(current_thread());
774 	pendlist = ut->uu_siglist;
790 //	struct uthread *ut = get_bsdthread_info(current_thread());
804 	struct uthread *ut;
806 	ut = (struct uthread *)get_bsdthread_info(current_thread());
815 	ut->uu_oldmask = ut->uu_sigmask;
816 	ut->uu_flag |= UT_SAS_OLDMASK;
817 	ut->uu_sigmask = (uap->mask & ~sigcantmask);
1171 	struct uthread *ut;
1174 	ut = (struct uthread *)get_bsdthread_info(current_thread());
1175 	oldset = ut->uu_sigmask;
1188 		ut->uu_sigmask |= (nset & ~sigcantmask);
1192 		ut->uu_sigmask &= ~(nset);
1197 		ut->uu_sigmask = (nset & ~sigcantmask);
1228 	struct uthread *ut;
1236 	ut = (struct uthread *)get_bsdthread_info(current_thread());
1275 	uth = ut;		/* wait for it to be delivered to us */
1276 	ut->uu_oldmask = ut->uu_sigmask;
1277 	ut->uu_flag |= UT_SAS_OLDMASK;
1283 	ut->uu_sigmask = ~(siglist|sigcantmask);
1284 	ut->uu_sigwait = siglist;
1287 	error =  msleep((caddr_t)&ut->uu_sigwait, &p->p_mlock, PPAUSE|PCATCH, "pause", 0);
1292 	sigw = (ut->uu_sigwait & siglist);
1293 	ut->uu_sigmask = ut->uu_oldmask;
1294 	ut->uu_oldmask = 0;
1295 	ut->uu_flag &= ~UT_SAS_OLDMASK;
1297 	ut->uu_sigwait = 0;
1306 		DTRACE_PROC2(signal__clear, int, signum, siginfo_t *, &(ut->t_dtrace_siginfo));
2212 	struct uthread * ut;
2235 	ut = get_bsdthread_info(cur_act);
2237 		sigbits = ut->uu_siglist  & ~ut->uu_sigmask;
2255 			ut->uu_siglist &= ~mask;		/* take the signal! */
2273 				ut->uu_siglist &= ~mask;	/* clear the old signal */
2313 				ut->uu_siglist &= ~mask;	/* clear the old signal */
2342 			if (ut->uu_siglist & sigmask(SIGKILL)) {
2386 			ut->uu_siglist |= mask;
2387 			if (ut->uu_sigmask & mask)
2471 				ut->uu_siglist &= ~mask;	/* take the signal! */
2495 			ut->uu_siglist &= ~mask;		/* take the signal! */
2499 		ut->uu_siglist &= ~mask;		/* take the signal! */
2513 	struct uthread * ut;
2519 	ut = get_bsdthread_info(cur_act);
2521 	if (ut->uu_siglist == 0)
2524 	if (((ut->uu_siglist & ~ut->uu_sigmask) == 0) && ((p->p_lflag & P_LTRACED) == 0))
2527 	sigbits = ut->uu_siglist & ~ut->uu_sigmask;
2660 	struct uthread * ut;
2681 	ut = (struct uthread *)get_bsdthread_info(current_thread());
2683 	ut->uu_siglist &= ~mask;
2704 		bzero((caddr_t)&(ut->t_dtrace_siginfo), sizeof(ut->t_dtrace_siginfo));
2706 		ut->t_dtrace_siginfo.si_signo = signum;
2707 		ut->t_dtrace_siginfo.si_pid = p->si_pid;
2708 		ut->t_dtrace_siginfo.si_uid = p->si_uid;
2709 		ut->t_dtrace_siginfo.si_status = WEXITSTATUS(p->si_status);
2714 			DTRACE_PROC2(fault, int, (int)(ut->uu_code), siginfo_t *, &(ut->t_dtrace_siginfo));
2721 		DTRACE_PROC3(signal__handle, int, signum, siginfo_t *, &(ut->t_dtrace_siginfo),
2735 		if (catcher == SIG_IGN || (ut->uu_sigmask & mask))
2749 		if (ut->uu_flag & UT_SAS_OLDMASK) {
2750 			returnmask = ut->uu_oldmask;
2751 			ut->uu_flag &= ~UT_SAS_OLDMASK;
2752 			ut->uu_oldmask = 0;
2754 			returnmask = ut->uu_sigmask;
2755 		ut->uu_sigmask |= ps->ps_catchmask[signum];
2757 			ut->uu_sigmask |= mask;
2871 	struct uthread *ut = get_bsdthread_info(thread);
2937 	if (ut->t_dtrace_sig) {
2938 	    uint8_t dt_action_sig = ut->t_dtrace_sig;
2939 	    ut->t_dtrace_sig = 0;
2943 	if (ut->t_dtrace_stop) {
2944 		ut->t_dtrace_stop = 0;
2951 	if (ut->t_dtrace_resumepid) {
2952 		proc_t resumeproc = proc_find(ut->t_dtrace_resumepid);
2953 		ut->t_dtrace_resumepid = 0;
2972 	if (CHECK_SIGNALS(p, current_thread(), ut)) {