76 will_deadlock(evchan_t *scp)  in will_deadlock()  argument
79 	evchan_impl_hdl_t *hdl = EVCHAN_IMPL_HNDL(scp);  in will_deadlock()
119 	evchan_t *scp;  in sysevent_evc_bind()  local
144 	scp = calloc(1, sizeof (evchan_impl_hdl_t));  in sysevent_evc_bind()
145 	if (scp == NULL) {  in sysevent_evc_bind()
154 	EV_FD(scp) = open(DEVSYSEVENT, O_RDWR);  in sysevent_evc_bind()
155 	if (EV_FD(scp) == -1) {  in sysevent_evc_bind()
158 			free(scp);  in sysevent_evc_bind()
162 		EV_FD(scp) = open(DEVICESYSEVENT, O_RDWR);  in sysevent_evc_bind()
163 		if (EV_FD(scp) == -1) {  in sysevent_evc_bind()
165 			free(scp);  in sysevent_evc_bind()
176 	(void) fcntl(EV_FD(scp), F_SETFD, FD_CLOEXEC);  in sysevent_evc_bind()
182 	if (ioctl(EV_FD(scp), SEV_CHAN_OPEN, &uargs) != 0) {  in sysevent_evc_bind()
184 		(void) close(EV_FD(scp));  in sysevent_evc_bind()
185 		free(scp);  in sysevent_evc_bind()
190 	EV_PID(scp) = getpid();  in sysevent_evc_bind()
191 	(void) mutex_init(EV_LOCK(scp), USYNC_THREAD, NULL);  in sysevent_evc_bind()
193 	*scpp = scp;  in sysevent_evc_bind()
202 sysevent_evc_unbind(evchan_t *scp)  in sysevent_evc_unbind()  argument
208 	if (scp == NULL || misaligned(scp))  in sysevent_evc_unbind()
211 	if (will_deadlock(scp))  in sysevent_evc_unbind()
214 	(void) mutex_lock(EV_LOCK(scp));  in sysevent_evc_unbind()
219 	if (EV_PID(scp) == getpid()) {  in sysevent_evc_unbind()
226 		if (ioctl(EV_FD(scp), SEV_UNSUBSCRIBE, (intptr_t)&uargs) != 0) {  in sysevent_evc_unbind()
228 			(void) mutex_unlock(EV_LOCK(scp));  in sysevent_evc_unbind()
233 	while ((subp =  EV_SUB_NEXT(scp)) != NULL) {  in sysevent_evc_unbind()
234 		EV_SUB_NEXT(scp) = subp->evsub_next;  in sysevent_evc_unbind()
247 	(void) mutex_unlock(EV_LOCK(scp));  in sysevent_evc_unbind()
253 	(void) close(EV_FD(scp));  in sysevent_evc_unbind()
254 	(void) mutex_destroy(EV_LOCK(scp));  in sysevent_evc_unbind()
255 	free(scp);  in sysevent_evc_unbind()
264 sysevent_evc_publish(evchan_t *scp, const char *class,  in sysevent_evc_publish()  argument
274 	if (scp == NULL || misaligned(scp)) {  in sysevent_evc_publish()
279 	if (EV_PID(scp) != getpid()) {  in sysevent_evc_publish()
293 	(void) mutex_lock(EV_LOCK(scp));  in sysevent_evc_publish()
295 	rc = ioctl(EV_FD(scp), SEV_PUBLISH, (intptr_t)&uargs);  in sysevent_evc_publish()
298 	(void) mutex_unlock(EV_LOCK(scp));  in sysevent_evc_publish()
446 sysevent_evc_subscribe_cmn(evchan_t *scp, const char *sid, const char *class,  in sysevent_evc_subscribe_cmn()  argument
457 	if (scp == NULL || misaligned(scp) || sid == NULL || class == NULL) {  in sysevent_evc_subscribe_cmn()
462 	if (EV_PID(scp) != getpid()) {  in sysevent_evc_subscribe_cmn()
505 	subp->ev_subhead = EVCHAN_IMPL_HNDL(scp);  in sysevent_evc_subscribe_cmn()
537 	(void) mutex_lock(EV_LOCK(scp));  in sysevent_evc_subscribe_cmn()
545 	if (ioctl(EV_FD(scp), SEV_SUBSCRIBE, (intptr_t)&uargs) != 0) {  in sysevent_evc_subscribe_cmn()
547 		(void) mutex_unlock(EV_LOCK(scp));  in sysevent_evc_subscribe_cmn()
557 	subp->evsub_next = EV_SUB_NEXT(scp);  in sysevent_evc_subscribe_cmn()
558 	EV_SUB_NEXT(scp) = subp;  in sysevent_evc_subscribe_cmn()
560 	(void) mutex_unlock(EV_LOCK(scp));  in sysevent_evc_subscribe_cmn()
571 sysevent_evc_subscribe(evchan_t *scp, const char *sid, const char *class,  in sysevent_evc_subscribe()  argument
575 	return (sysevent_evc_subscribe_cmn(scp, sid, class, event_handler,  in sysevent_evc_subscribe()
600 sysevent_evc_xsubscribe(evchan_t *scp, const char *sid, const char *class,  in sysevent_evc_xsubscribe()  argument
613 	return (sysevent_evc_subscribe_cmn(scp, sid, class, event_handler,  in sysevent_evc_xsubscribe()
686 sysevent_evc_unsubscribe(evchan_t *scp, const char *sid)  in sysevent_evc_unsubscribe()  argument
694 	if (scp == NULL || misaligned(scp))  in sysevent_evc_unsubscribe()
702 	if (EV_PID(scp) != getpid())  in sysevent_evc_unsubscribe()
715 	if (will_deadlock(scp))  in sysevent_evc_unsubscribe()
718 	(void) mutex_lock(EV_LOCK(scp));  in sysevent_evc_unsubscribe()
723 	rc = ioctl(EV_FD(scp), SEV_UNSUBSCRIBE, (intptr_t)&uargs);  in sysevent_evc_unsubscribe()
727 		(void) mutex_unlock(EV_LOCK(scp));  in sysevent_evc_unsubscribe()
738 	subp =  EV_SUB_NEXT(scp);  in sysevent_evc_unsubscribe()
742 				EV_SUB_NEXT(scp) = subp->evsub_next;  in sysevent_evc_unsubscribe()
767 	(void) mutex_unlock(EV_LOCK(scp));  in sysevent_evc_unsubscribe()
776 sysevent_evc_control(evchan_t *scp, int cmd, /* arg */ ...)  in sysevent_evc_control()  argument
783 	if (scp == NULL || misaligned(scp)) {  in sysevent_evc_control()
788 	if (EV_PID(scp) != getpid()) {  in sysevent_evc_control()
796 	(void) mutex_lock(EV_LOCK(scp));  in sysevent_evc_control()
806 		rc = ioctl(EV_FD(scp), SEV_CHAN_CONTROL, (intptr_t)&uargs);  in sysevent_evc_control()
813 		rc = ioctl(EV_FD(scp), SEV_CHAN_CONTROL, (intptr_t)&uargs);  in sysevent_evc_control()
820 	(void) mutex_unlock(EV_LOCK(scp));  in sysevent_evc_control()
832 sysevent_evc_setpropnvl(evchan_t *scp, nvlist_t *nvl)  in sysevent_evc_setpropnvl()  argument
839 	if (scp == NULL || misaligned(scp))  in sysevent_evc_setpropnvl()
849 	rc = ioctl(EV_FD(scp), SEV_SETPROPNVL, (intptr_t)&uargs);  in sysevent_evc_setpropnvl()
858 sysevent_evc_getpropnvl(evchan_t *scp, nvlist_t **nvlp)  in sysevent_evc_getpropnvl()  argument
867 	if (scp == NULL || misaligned(scp) || nvlp == NULL)  in sysevent_evc_getpropnvl()
876 	rc = ioctl(EV_FD(scp), SEV_GETPROPNVL, (intptr_t)&uargs);  in sysevent_evc_getpropnvl()