bsd/kern/kern_sig.c

233 	/* This assumes 32 bit __sa_handler is of type sig_t */
241 	/* This assumes 32 bit __sa_handler is of type sig_t */
373 	int bit, error=0;
383 		bit = sigmask(signum);
385 		if ((ps->ps_sigonstack & bit) != 0)
387 		if ((ps->ps_sigintr & bit) == 0)
389 		if (ps->ps_siginfo & bit)
391 		if (ps->ps_signodefer & bit)
393 		if (ps->ps_64regset & bit)
436 clear_procsiglist(proc_t p,  int bit, boolean_t in_signalstart)
449 			uth->uu_siglist &= ~bit;
458 		uth->uu_siglist &= ~bit;
460 	p->p_siglist &= ~bit;
470 unblock_procsigmask(proc_t p,  int bit)
482 			uth->uu_sigmask &= ~bit;
484 		p->p_sigmask &= ~bit;
490 		uth->uu_sigmask &= ~bit;
492 	p->p_sigmask &= ~bit;
500 block_procsigmask(proc_t p,  int bit)
512 			uth->uu_sigmask |= bit;
514 		p->p_sigmask |=  bit;
520 		uth->uu_sigmask |= bit;
522 	p->p_sigmask |=  bit;
530 set_procsigmask(proc_t p,  int bit)
542 			uth->uu_sigmask = bit;
544 		p->p_sigmask =  bit;
550 		uth->uu_sigmask = bit;
552 	p->p_sigmask =  bit;
574 	int bit;
579 	bit = sigmask(signum);
587 		ps->ps_siginfo |= bit;
589 		ps->ps_siginfo &= ~bit;
591 		ps->ps_64regset |= bit;
593 		ps->ps_64regset &= ~bit;
595 		ps->ps_sigintr |= bit;
597 		ps->ps_sigintr &= ~bit;
599 		ps->ps_sigonstack |= bit;
601 		ps->ps_sigonstack &= ~bit;
603 		ps->ps_usertramp |= bit;
605 		ps->ps_usertramp &= ~bit;
607 		ps->ps_sigreset |= bit;
609 		ps->ps_sigreset &= ~bit;
611 		ps->ps_signodefer |= bit;
613 		ps->ps_signodefer &= ~bit;
626 	 * Set bit in p_sigignore for signals that are set to SIG_IGN,
634 		clear_procsiglist(p, bit, in_sigstart);
636 			p->p_sigignore |= bit;	/* easier in psignal */
637 		p->p_sigcatch &= ~bit;
639 		p->p_sigignore &= ~bit;
641 			p->p_sigcatch &= ~bit;
643 			p->p_sigcatch |= bit;