usr.lib/in.dhcpd/interfaces.c

168 refresh_pktlist(dsvc_clnt_t *pcd, PKT_LIST *plp)
171 	IF		*ifp = pcd->ifp;
173 	assert(MUTEX_HELD(&pcd->pkt_mtx));
175 	wplp = pcd->pkthead;
178 			pcd->pending--;
198 			detach_plp(pcd, retplp);
502 	dsvc_clnt_t		*pcd;
753 			open_ret = open_clnt(pnd, &pcd, dn.dn_cid,
756 			if (pcd == NULL) {
776 			(void) mutex_lock(&pcd->pkt_mtx);
777 			if (pcd->pending > DHCP_MON_THRESHOLD) {
778 				if ((tplp = pcd->pkthead) != NULL) {
779 					detach_plp(pcd, tplp);
781 					pcd->pending--;
785 			if (pcd->pkthead == NULL)
786 				pcd->pkthead = plp;
788 				pcd->pkttail->next = plp;
789 				plp->prev = pcd->pkttail;
791 			pcd->pkttail = plp;
792 			pcd->pending++;
793 			(void) mutex_unlock(&pcd->pkt_mtx);
798 			(void) mutex_lock(&pcd->pcd_mtx);
799 			pcd->ifp = ifp;
800 			if (pcd->clnt_thread == NULL &&
801 			    (pcd->flags & DHCP_PCD_CLOSING) == 0) {
817 					freep->thr_pcd = pcd;
819 					pcd->clnt_thread = freep;
826 					if ((pcd->flags & DHCP_PCD_WORK) == 0) {
827 						pcd->flags |= DHCP_PCD_WORK;
844 					(void) mutex_unlock(&pcd->pcd_mtx);
846 						close_clnt(pcd, B_FALSE);
850 				if (pcd->clnt_thread == NULL) {
853 					freep = pcd->clnt_thread =
858 					freep->thr_pcd = pcd;
876 						freep = pcd->clnt_thread = NULL;
886 					(void) mutex_unlock(&pcd->pcd_mtx);
887 					pcd = NULL;
896 			if (pcd != NULL) {
897 				(void) mutex_unlock(&pcd->pcd_mtx);
899 					close_clnt(pcd, B_FALSE);
1106 detach_plp(dsvc_clnt_t *pcd, PKT_LIST *plp)
1108 	assert(MUTEX_HELD(&pcd->pkt_mtx));
1111 		pcd->pkthead = plp->next;
1112 		if (pcd->pkthead != NULL)
1113 			pcd->pkthead->prev = NULL;
1120 		pcd->pkttail = plp->prev;
1121 		if (pcd->pkttail != NULL)
1122 			pcd->pkttail->next = NULL;
1428 free_pktlist(dsvc_clnt_t *pcd)
1431 	IF *ifp = pcd->ifp;
1433 	assert(MUTEX_HELD(&pcd->pcd_mtx));
1435 	plp = pcd->pkthead;
1441 		pcd->pending--;
1443 	pcd->pkthead = NULL;