134 #define	CIRCLEQ_FOREACH(var, head, field)				\  argument
137 	    (var) = CIRCLEQ_NEXT((var), field))
139 #define	CIRCLEQ_FOREACH_REVERSE(var, head, field)			\  argument
142 	    (var) = CIRCLEQ_PREV((var), field))
149 #define	CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do {		\  argument
150 	CIRCLEQ_NEXT((elm), field) = CIRCLEQ_NEXT((listelm), field);	\
151 	CIRCLEQ_PREV((elm), field) = (listelm);				\
152 	if (CIRCLEQ_NEXT((listelm), field) == (void *)(head))		\
155 		CIRCLEQ_PREV(CIRCLEQ_NEXT((listelm), field), field) = (elm);\
156 	CIRCLEQ_NEXT((listelm), field) = (elm);				\
159 #define	CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do {		\  argument
160 	CIRCLEQ_NEXT((elm), field) = (listelm);				\
161 	CIRCLEQ_PREV((elm), field) = CIRCLEQ_PREV((listelm), field);	\
162 	if (CIRCLEQ_PREV((listelm), field) == (void *)(head))		\
165 		CIRCLEQ_NEXT(CIRCLEQ_PREV((listelm), field), field) = (elm);\
166 	CIRCLEQ_PREV((listelm), field) = (elm);				\
169 #define	CIRCLEQ_INSERT_HEAD(head, elm, field) do {			\  argument
170 	CIRCLEQ_NEXT((elm), field) = CIRCLEQ_FIRST((head));		\
171 	CIRCLEQ_PREV((elm), field) = (void *)(head);			\
175 		CIRCLEQ_PREV(CIRCLEQ_FIRST((head)), field) = (elm);	\
179 #define	CIRCLEQ_INSERT_TAIL(head, elm, field) do {			\  argument
180 	CIRCLEQ_NEXT((elm), field) = (void *)(head);			\
181 	CIRCLEQ_PREV((elm), field) = CIRCLEQ_LAST((head));		\
185 		CIRCLEQ_NEXT(CIRCLEQ_LAST((head)), field) = (elm);	\
191 #define	CIRCLEQ_NEXT(elm,field)	((elm)->field.cqe_next)  argument
193 #define	CIRCLEQ_PREV(elm,field)	((elm)->field.cqe_prev)  argument
195 #define	CIRCLEQ_REMOVE(head, elm, field) do {				\  argument
196 	if (CIRCLEQ_NEXT((elm), field) == (void *)(head))		\
197 		CIRCLEQ_LAST((head)) = CIRCLEQ_PREV((elm), field);	\
199 		CIRCLEQ_PREV(CIRCLEQ_NEXT((elm), field), field) =	\
200 		    CIRCLEQ_PREV((elm), field);				\
201 	if (CIRCLEQ_PREV((elm), field) == (void *)(head))		\
202 		CIRCLEQ_FIRST((head)) = CIRCLEQ_NEXT((elm), field);	\
204 		CIRCLEQ_NEXT(CIRCLEQ_PREV((elm), field), field) =	\
205 		    CIRCLEQ_NEXT((elm), field);				\