bsd/kern/kern_sig.c

440 	struct uthread * uth;
449 		uth = (struct uthread *)get_bsdthread_info(thact);
450 		if (uth) {
451 			uth->uu_siglist &= ~bit;
459 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
460 		uth->uu_siglist &= ~bit;
474 	struct uthread * uth;
482 		uth = (struct uthread *)get_bsdthread_info(thact);
483 		if (uth) {
484 			uth->uu_sigmask &= ~bit;
491 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
492 		uth->uu_sigmask &= ~bit;
504 	struct uthread * uth;
512 		uth = (struct uthread *)get_bsdthread_info(thact);
513 		if (uth) {
514 			uth->uu_sigmask |= bit;
521 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
522 		uth->uu_sigmask |= bit;
534 	struct uthread * uth;
542 		uth = (struct uthread *)get_bsdthread_info(thact);
543 		if (uth) {
544 			uth->uu_sigmask = bit;
551 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
552 		uth->uu_sigmask = bit;
831 	struct uthread *uth;
833 	uth = (struct uthread *)get_bsdthread_info(current_thread());
836 	uth->uu_flag |= (UT_NO_SIGMASK | UT_CANCELDISABLE);
871 	struct uthread *uth;
878 	uth = (struct uthread *)get_bsdthread_info(target_act);
881 	if ((uth->uu_flag & (UT_VFORK | UT_CANCEL | UT_CANCELED )) == 0) {
882 		uth->uu_flag |= (UT_CANCEL | UT_NO_SIGMASK);
883 		if (((uth->uu_flag & UT_NOTCANCELPT) == 0)
884 			&& ((uth->uu_flag & UT_CANCELDISABLE) == 0))
902 	struct uthread *uth;
906 	uth = (struct uthread *)get_bsdthread_info(thread);
910 			uth->uu_flag &= ~UT_CANCELDISABLE;
913 			uth->uu_flag |= UT_CANCELDISABLE;
918 			if((uth->uu_flag & ( UT_CANCELDISABLE | UT_CANCEL | UT_CANCELED)) == UT_CANCEL) {
919 				uth->uu_flag &= ~UT_CANCEL;
920 				uth->uu_flag |= (UT_CANCELED | UT_NO_SIGMASK);
1139 	struct uthread *uth;
1150 	uth = (struct uthread *)get_bsdthread_info(target_act);
1152 	if (uth->uu_flag & UT_NO_SIGMASK) {
1231 	struct uthread *uth;
1258 		TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
1259 			if ( (sigw = uth->uu_siglist & siglist) ) {
1277 	uth = ut;		/* wait for it to be delivered to us */
1305 		uth->uu_siglist &= ~(sigmask(signum));
1327 	struct uthread *uth;
1330 	uth = (struct uthread *)get_bsdthread_info(current_thread());
1332 	pstk = &uth->uu_sigstk;
1333 	if ((uth->uu_flag & UT_ALTSTACK) == 0)
1334 		uth->uu_sigstk.ss_flags |= SA_DISABLE;
1368 		if (uth->uu_sigstk.ss_flags & SA_ONSTACK)
1370 		uth->uu_flag &= ~UT_ALTSTACK;
1371 		uth->uu_sigstk.ss_flags = ss.ss_flags;
1380 	uth->uu_flag |= UT_ALTSTACK;
1381 	uth->uu_sigstk= ss;
1626 	struct uthread *uth;
1640 	uth = get_bsdthread_info(sig_actthread);
1641 	if (uth->uu_flag & UT_VFORK)
1642 		p = uth->uu_proc;
1650 	uth->uu_siglist |= mask;
1651 	uth->uu_code = code;
1661 	struct uthread *uth;
1680 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
1681 		if(((uth->uu_flag & UT_NO_SIGMASK)== 0) &&
1682 			(((uth->uu_sigmask & mask) == 0) || (uth->uu_sigwait & mask))) {
1683 			if (check_actforsig(p->task, uth->uu_context.vc_thread, 1) == KERN_SUCCESS) {
1684 				*thr = uth->uu_context.vc_thread;
1720 	struct uthread *uth;
1812 	uth = get_bsdthread_info(sig_thread);
1831 			if (uth->uu_sigwait & mask)
1833 			else if (uth->uu_sigmask & mask)
1850 		uth->uu_siglist &= ~stopsigmask;
1869 		uth->uu_siglist &= ~contsigmask;
1872 	uth->uu_siglist |= mask;
1923 		bzero((caddr_t)&(uth->t_dtrace_siginfo), sizeof(uth->t_dtrace_siginfo));
1925 		uth->t_dtrace_siginfo.si_signo = signum;
1926 		uth->t_dtrace_siginfo.si_pid = current_proc()->p_pid;
1927 		uth->t_dtrace_siginfo.si_status = W_EXITCODE(signum, 0);
1928 		uth->t_dtrace_siginfo.si_uid = r_uid;
1929 		uth->t_dtrace_siginfo.si_code = 0;
1931 		uth->uu_sigwait = mask;
1932 		uth->uu_siglist &= ~mask;
1933 		wakeup(&uth->uu_sigwait);
2001 				uth->uu_siglist &= ~mask;
2011 			uth->uu_siglist &= ~mask;
2107 			if (((flavor & (PSIG_VFORK|PSIG_THREAD)) == 0) && (((uth->uu_siglist & ~uth->uu_sigmask) & ~sig_proc->p_sigignore) & ~mask)) {
2108 				uth->uu_siglist &= ~mask;
2113 			uth->uu_siglist &= ~mask;
2151 			uth->uu_siglist |= sigmask(sig_proc->p_xstat);
3021 	struct uthread * uth;
3033 		uth = (struct uthread *)get_bsdthread_info(th);
3034 		if (uth) {
3035 			bits = (((uth->uu_siglist & ~uth->uu_sigmask) & ~p->p_sigignore) & mask);
3041 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
3042 		bits |= (((uth->uu_siglist & ~uth->uu_sigmask) & ~p->p_sigignore) & mask);
3052 	struct uthread * uth;
3056 	uth = (struct uthread *)get_bsdthread_info(th);
3057 	if (uth) {
3058 		bits = (((uth->uu_siglist & ~uth->uu_sigmask) & ~p->p_sigignore) & mask);