77 	ulwp_t *self = curthread;  in call_user_handler()  local
78 	uberdata_t *udp = self->ul_uberdata;  in call_user_handler()
90 	set_parking_flag(self, 0);  in call_user_handler()
92 	if (__td_event_report(self, TD_CATCHSIG, udp)) {  in call_user_handler()
93 		self->ul_td_evbuf.eventnum = TD_CATCHSIG;  in call_user_handler()
94 		self->ul_td_evbuf.eventdata = (void *)(intptr_t)sig;  in call_user_handler()
119 	if (self->ul_vfork ||  in call_user_handler()
151 	if (self->ul_sigsuspend) {  in call_user_handler()
152 		ucp->uc_sigmask = self->ul_sigmask;  in call_user_handler()
153 		self->ul_sigsuspend = 0;  in call_user_handler()
155 		sigorset(&uact.sa_mask, &self->ul_tmpmask);  in call_user_handler()
162 	self->ul_sigmask = uact.sa_mask;  in call_user_handler()
163 	self->ul_siglink = ucp;  in call_user_handler()
245 	ulwp_t *self = curthread;  in take_deferred_signal()  local
246 	siguaction_t *suap = &self->ul_uberdata->siguaction[sig];  in take_deferred_signal()
250 	ASSERT((self->ul_critical | self->ul_sigdefer | self->ul_cursig) == 0);  in take_deferred_signal()
274 		tact.sa_sigaction = self->ul_uberdata->sigacthandler;  in take_deferred_signal()
279 	if (self->ul_siginfo.si_signo == 0)  in take_deferred_signal()
282 		sip = &self->ul_siginfo;  in take_deferred_signal()
285 	while ((error = __sigresend(sig, sip, &self->ul_sigmask)) == EAGAIN)  in take_deferred_signal()
295 	ulwp_t *self = curthread;  in sigacthandler()  local
301 	self->ul_sp = 0;  in sigacthandler()
303 		self->ul_cancel_async = self->ul_save_async;  in sigacthandler()
313 	if (self->ul_siglink == NULL)  in sigacthandler()
320 	if ((self->ul_critical + self->ul_sigdefer) == 0) {  in sigacthandler()
338 	ASSERT(self->ul_cursig == 0);  in sigacthandler()
339 	self->ul_cursig = (char)sig;  in sigacthandler()
341 		(void) memcpy(&self->ul_siginfo,  in sigacthandler()
344 		self->ul_siginfo.si_signo = 0;  in sigacthandler()
351 	set_parking_flag(self, 0);  in sigacthandler()
369 	ulwp_t *self = curthread;  in sigaction()  local
370 	uberdata_t *udp = self->ul_uberdata;  in sigaction()
381 	if (!self->ul_vfork)  in sigaction()
413 		if (self->ul_vfork) {  in sigaction()
459 	if (!self->ul_vfork)  in sigaction()
471 	ulwp_t *self = curthread;  in setsigacthandler()  local
472 	uberdata_t *udp = self->ul_uberdata;  in setsigacthandler()
492 block_all_signals(ulwp_t *self)  in block_all_signals()  argument
496 	enter_critical(self);  in block_all_signals()
497 	if ((scp = self->ul_schedctl) != NULL ||  in block_all_signals()
502 	exit_critical(self);  in block_all_signals()
528 	ulwp_t *self = curthread;  in setcontext()  local
544 		block_all_signals(self);  in setcontext()
546 		self->ul_sigmask = uc.uc_sigmask;  in setcontext()
547 		if (self->ul_cursig) {  in setcontext()
553 			ASSERT(self->ul_critical + self->ul_sigdefer != 0);  in setcontext()
557 	self->ul_siglink = uc.uc_link;  in setcontext()
568 		uc.uc_mcontext.gregs[REG_G7] = (greg_t)self;  in setcontext()
576 		uc.uc_mcontext.gregs[REG_FSBASE] = (greg_t)self;  in setcontext()
589 	set_parking_flag(self, 0);  in setcontext()
590 	self->ul_sp = 0;  in setcontext()
606 	ulwp_t *self = curthread;  in thr_sigsetmask()  local
610 		enter_critical(self);  in thr_sigsetmask()
612 			*oset = self->ul_sigmask;  in thr_sigsetmask()
613 		exit_critical(self);  in thr_sigsetmask()
628 		block_all_signals(self);  in thr_sigsetmask()
630 			saveset = self->ul_sigmask;  in thr_sigsetmask()
633 			self->ul_sigmask.__sigbits[0] |= set->__sigbits[0];  in thr_sigsetmask()
634 			self->ul_sigmask.__sigbits[1] |= set->__sigbits[1];  in thr_sigsetmask()
635 			self->ul_sigmask.__sigbits[2] |= set->__sigbits[2];  in thr_sigsetmask()
636 			self->ul_sigmask.__sigbits[3] |= set->__sigbits[3];  in thr_sigsetmask()
639 			self->ul_sigmask.__sigbits[0] &= ~set->__sigbits[0];  in thr_sigsetmask()
640 			self->ul_sigmask.__sigbits[1] &= ~set->__sigbits[1];  in thr_sigsetmask()
641 			self->ul_sigmask.__sigbits[2] &= ~set->__sigbits[2];  in thr_sigsetmask()
642 			self->ul_sigmask.__sigbits[3] &= ~set->__sigbits[3];  in thr_sigsetmask()
645 			self->ul_sigmask.__sigbits[0] = set->__sigbits[0];  in thr_sigsetmask()
646 			self->ul_sigmask.__sigbits[1] = set->__sigbits[1];  in thr_sigsetmask()
647 			self->ul_sigmask.__sigbits[2] = set->__sigbits[2];  in thr_sigsetmask()
648 			self->ul_sigmask.__sigbits[3] = set->__sigbits[3];  in thr_sigsetmask()
651 		delete_reserved_signals(&self->ul_sigmask);  in thr_sigsetmask()
654 		restore_signals(self);  in thr_sigsetmask()
736 	ulwp_t *self = curthread;  in do_sigcancel()  local
738 	ASSERT(self->ul_critical == 0);  in do_sigcancel()
739 	ASSERT(self->ul_sigdefer == 0);  in do_sigcancel()
740 	self->ul_cancel_pending = 1;  in do_sigcancel()
741 	if (self->ul_cancel_async &&  in do_sigcancel()
742 	    !self->ul_cancel_disabled &&  in do_sigcancel()
743 	    self->ul_libc_locks == 0 &&  in do_sigcancel()
744 	    !self->ul_cancelable)  in do_sigcancel()
746 	set_cancel_pending_flag(self, 0);  in do_sigcancel()