bsd/kern/kern_sig.c

483 			uth->uu_sigmask &= ~bit;
491 		uth->uu_sigmask &= ~bit;
513 			uth->uu_sigmask |= bit;
521 		uth->uu_sigmask |= bit;
543 			uth->uu_sigmask = bit;
551 		uth->uu_sigmask = bit;
732 	oldmask  = ut->uu_sigmask;
816 	ut->uu_oldmask = ut->uu_sigmask;
818 	ut->uu_sigmask = (uap->mask & ~sigcantmask);
1176 	oldset = ut->uu_sigmask;
1189 		ut->uu_sigmask |= (nset & ~sigcantmask);
1193 		ut->uu_sigmask &= ~(nset);
1198 		ut->uu_sigmask = (nset & ~sigcantmask);
1277 	ut->uu_oldmask = ut->uu_sigmask;
1284 	ut->uu_sigmask = ~(siglist|sigcantmask);
1294 	ut->uu_sigmask = ut->uu_oldmask;
1681 			(((uth->uu_sigmask & mask) == 0) || (uth->uu_sigwait & mask))) {
1832 			else if (uth->uu_sigmask & mask)
2106 			if (((flavor & (PSIG_VFORK|PSIG_THREAD)) == 0) && (((uth->uu_siglist & ~uth->uu_sigmask) & ~sig_proc->p_sigignore) & ~mask)) {
2238 		sigbits = ut->uu_siglist  & ~ut->uu_sigmask;
2385 			if (ut->uu_sigmask & mask)
2522 	if (((ut->uu_siglist & ~ut->uu_sigmask) == 0) && ((p->p_lflag & P_LTRACED) == 0))
2525 	sigbits = ut->uu_siglist & ~ut->uu_sigmask;
2733 		if (catcher == SIG_IGN || (ut->uu_sigmask & mask))
2752 			returnmask = ut->uu_sigmask;
2753 		ut->uu_sigmask |= ps->ps_catchmask[signum];
2755 			ut->uu_sigmask |= mask;
3034 			bits = (((uth->uu_siglist & ~uth->uu_sigmask) & ~p->p_sigignore) & mask);
3041 		bits |= (((uth->uu_siglist & ~uth->uu_sigmask) & ~p->p_sigignore) & mask);
3057 		bits = (((uth->uu_siglist & ~uth->uu_sigmask) & ~p->p_sigignore) & mask);