bsd/kern/kern_sig.c

438 	struct uthread * uth;
447 		uth = (struct uthread *)get_bsdthread_info(thact);
448 		if (uth) {
449 			uth->uu_siglist &= ~bit;
457 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
458 		uth->uu_siglist &= ~bit;
472 	struct uthread * uth;
480 		uth = (struct uthread *)get_bsdthread_info(thact);
481 		if (uth) {
482 			uth->uu_sigmask &= ~bit;
489 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
490 		uth->uu_sigmask &= ~bit;
502 	struct uthread * uth;
510 		uth = (struct uthread *)get_bsdthread_info(thact);
511 		if (uth) {
512 			uth->uu_sigmask |= bit;
519 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
520 		uth->uu_sigmask |= bit;
532 	struct uthread * uth;
540 		uth = (struct uthread *)get_bsdthread_info(thact);
541 		if (uth) {
542 			uth->uu_sigmask = bit;
549 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
550 		uth->uu_sigmask = bit;
829 	struct uthread *uth;
831 	uth = (struct uthread *)get_bsdthread_info(current_thread());
834 	uth->uu_flag |= (UT_NO_SIGMASK | UT_CANCELDISABLE);
869 	struct uthread *uth;
876 	uth = (struct uthread *)get_bsdthread_info(target_act);
879 	if ((uth->uu_flag & (UT_VFORK | UT_CANCEL | UT_CANCELED )) == 0) {
880 		uth->uu_flag |= (UT_CANCEL | UT_NO_SIGMASK);
881 		if (((uth->uu_flag & UT_NOTCANCELPT) == 0)
882 			&& ((uth->uu_flag & UT_CANCELDISABLE) == 0))
900 	struct uthread *uth;
904 	uth = (struct uthread *)get_bsdthread_info(thread);
908 			uth->uu_flag &= ~UT_CANCELDISABLE;
911 			uth->uu_flag |= UT_CANCELDISABLE;
916 			if((uth->uu_flag & ( UT_CANCELDISABLE | UT_CANCEL | UT_CANCELED)) == UT_CANCEL) {
917 				uth->uu_flag &= ~UT_CANCEL;
918 				uth->uu_flag |= (UT_CANCELED | UT_NO_SIGMASK);
1137 	struct uthread *uth;
1148 	uth = (struct uthread *)get_bsdthread_info(target_act);
1150 	if (uth->uu_flag & UT_NO_SIGMASK) {
1229 	struct uthread *uth;
1256 		TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
1257 			if ( (sigw = uth->uu_siglist & siglist) ) {
1275 	uth = ut;		/* wait for it to be delivered to us */
1303 		uth->uu_siglist &= ~(sigmask(signum));
1325 	struct uthread *uth;
1328 	uth = (struct uthread *)get_bsdthread_info(current_thread());
1330 	pstk = &uth->uu_sigstk;
1331 	if ((uth->uu_flag & UT_ALTSTACK) == 0)
1332 		uth->uu_sigstk.ss_flags |= SA_DISABLE;
1366 		if (uth->uu_sigstk.ss_flags & SA_ONSTACK)
1368 		uth->uu_flag &= ~UT_ALTSTACK;
1369 		uth->uu_sigstk.ss_flags = ss.ss_flags;
1378 	uth->uu_flag |= UT_ALTSTACK;
1379 	uth->uu_sigstk= ss;
1624 	struct uthread *uth;
1638 	uth = get_bsdthread_info(sig_actthread);
1639 	if (uth->uu_flag & UT_VFORK)
1640 		p = uth->uu_proc;
1648 	uth->uu_siglist |= mask;
1649 	uth->uu_code = code;
1659 	struct uthread *uth;
1678 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
1679 		if(((uth->uu_flag & UT_NO_SIGMASK)== 0) &&
1680 			(((uth->uu_sigmask & mask) == 0) || (uth->uu_sigwait & mask))) {
1681 			if (check_actforsig(p->task, uth->uu_context.vc_thread, 1) == KERN_SUCCESS) {
1682 				*thr = uth->uu_context.vc_thread;
1718 	struct uthread *uth;
1810 	uth = get_bsdthread_info(sig_thread);
1829 			if (uth->uu_sigwait & mask)
1831 			else if (uth->uu_sigmask & mask)
1848 		uth->uu_siglist &= ~stopsigmask;
1867 		uth->uu_siglist &= ~contsigmask;
1870 	uth->uu_siglist |= mask;
1921 		bzero((caddr_t)&(uth->t_dtrace_siginfo), sizeof(uth->t_dtrace_siginfo));
1923 		uth->t_dtrace_siginfo.si_signo = signum;
1924 		uth->t_dtrace_siginfo.si_pid = current_proc()->p_pid;
1925 		uth->t_dtrace_siginfo.si_status = W_EXITCODE(signum, 0);
1926 		uth->t_dtrace_siginfo.si_uid = r_uid;
1927 		uth->t_dtrace_siginfo.si_code = 0;
1929 		uth->uu_sigwait = mask;
1930 		uth->uu_siglist &= ~mask;
1931 		wakeup(&uth->uu_sigwait);
1999 				uth->uu_siglist &= ~mask;
2009 			uth->uu_siglist &= ~mask;
2105 			if (((flavor & (PSIG_VFORK|PSIG_THREAD)) == 0) && (((uth->uu_siglist & ~uth->uu_sigmask) & ~sig_proc->p_sigignore) & ~mask)) {
2106 				uth->uu_siglist &= ~mask;
2111 			uth->uu_siglist &= ~mask;
2149 			uth->uu_siglist |= sigmask(sig_proc->p_xstat);
3022 	struct uthread * uth;
3034 		uth = (struct uthread *)get_bsdthread_info(th);
3035 		if (uth) {
3036 			bits = (((uth->uu_siglist & ~uth->uu_sigmask) & ~p->p_sigignore) & mask);
3042 	TAILQ_FOREACH(uth, &p->p_uthlist, uu_list) {
3043 		bits |= (((uth->uu_siglist & ~uth->uu_sigmask) & ~p->p_sigignore) & mask);
3053 	struct uthread * uth;
3057 	uth = (struct uthread *)get_bsdthread_info(th);
3058 	if (uth) {
3059 		bits = (((uth->uu_siglist & ~uth->uu_sigmask) & ~p->p_sigignore) & mask);