Cross Reference: /osnet-11/usr/src/lib/libsysevent/libevchannel.c

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