Major style cleanup; make ordering and internal use of the macros consistent.
Hopefully enforce KNF conformance. Add a missing _HEAD_INITIALIZER. Reviewed by: archie, phk, bde (bde did not like all of it) Approved by: mdodd
This commit is contained in:
Jake Burkholder
parent
2727ed91ae
commit
57ebe41552
427
sys/sys/queue.h
427
sys/sys/queue.h
@ -89,6 +89,7 @@
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*
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* SLIST LIST STAILQ TAILQ CIRCLEQ
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* _HEAD + + + + +
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* _HEAD_INITIALIZER + + + + +
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* _ENTRY + + + + +
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* _INIT + + + + +
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* _EMPTY + + + + +
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@ -108,17 +109,17 @@
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*/
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/*
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* Singly-linked List definitions.
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* Singly-linked List declarations.
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*/
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#define SLIST_HEAD(name, type) \
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#define SLIST_HEAD(name, type) \
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struct name { \
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struct type *slh_first; /* first element */ \
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}
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#define SLIST_HEAD_INITIALIZER(head) \
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#define SLIST_HEAD_INITIALIZER(head) \
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{ NULL }
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#define SLIST_ENTRY(type) \
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#define SLIST_ENTRY(type) \
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struct { \
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struct type *sle_next; /* next element */ \
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}
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@ -130,55 +131,57 @@ struct { \
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#define SLIST_FIRST(head) ((head)->slh_first)
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#define SLIST_FOREACH(var, head, field) \
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for((var) = (head)->slh_first; (var); (var) = (var)->field.sle_next)
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#define SLIST_FOREACH(var, head, field) \
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for ((var) = SLIST_FIRST((head)); \
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(var); \
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(var) = SLIST_NEXT((var), field))
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#define SLIST_INIT(head) { \
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(head)->slh_first = NULL; \
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}
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#define SLIST_INSERT_AFTER(slistelm, elm, field) do { \
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(elm)->field.sle_next = (slistelm)->field.sle_next; \
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(slistelm)->field.sle_next = (elm); \
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#define SLIST_INIT(head) do { \
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SLIST_FIRST((head)) = NULL; \
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} while (0)
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#define SLIST_INSERT_HEAD(head, elm, field) do { \
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(elm)->field.sle_next = (head)->slh_first; \
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(head)->slh_first = (elm); \
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#define SLIST_INSERT_AFTER(slistelm, elm, field) do { \
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SLIST_NEXT((elm), field) = SLIST_NEXT((slistelm), field); \
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SLIST_NEXT((slistelm), field) = (elm); \
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} while (0)
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#define SLIST_NEXT(elm, field) ((elm)->field.sle_next)
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#define SLIST_REMOVE_HEAD(head, field) do { \
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(head)->slh_first = (head)->slh_first->field.sle_next; \
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#define SLIST_INSERT_HEAD(head, elm, field) do { \
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SLIST_NEXT((elm), field) = SLIST_FIRST((head)); \
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SLIST_FIRST((head)) = (elm); \
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} while (0)
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#define SLIST_REMOVE(head, elm, type, field) do { \
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if ((head)->slh_first == (elm)) { \
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#define SLIST_NEXT(elm, field) ((elm)->field.sle_next)
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#define SLIST_REMOVE(head, elm, type, field) do { \
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if (SLIST_FIRST((head)) == (elm)) { \
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SLIST_REMOVE_HEAD((head), field); \
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} \
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else { \
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struct type *curelm = (head)->slh_first; \
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while( curelm->field.sle_next != (elm) ) \
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curelm = curelm->field.sle_next; \
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curelm->field.sle_next = \
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curelm->field.sle_next->field.sle_next; \
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struct type *curelm = SLIST_FIRST((head)); \
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while (SLIST_NEXT(curelm, field) != (elm)) \
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curelm = SLIST_NEXT(curelm, field); \
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SLIST_NEXT(curelm, field) = \
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SLIST_NEXT(SLIST_NEXT(curelm, field), field); \
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} \
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} while (0)
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#define SLIST_REMOVE_HEAD(head, field) do { \
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SLIST_FIRST((head)) = SLIST_NEXT(SLIST_FIRST((head)), field); \
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} while (0)
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/*
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* Singly-linked Tail queue definitions.
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* Singly-linked Tail queue declarations.
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*/
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#define STAILQ_HEAD(name, type) \
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#define STAILQ_HEAD(name, type) \
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struct name { \
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struct type *stqh_first;/* first element */ \
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struct type **stqh_last;/* addr of last next element */ \
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}
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#define STAILQ_HEAD_INITIALIZER(head) \
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#define STAILQ_HEAD_INITIALIZER(head) \
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{ NULL, &(head).stqh_first }
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#define STAILQ_ENTRY(type) \
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#define STAILQ_ENTRY(type) \
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struct { \
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struct type *stqe_next; /* next element */ \
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}
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@ -186,76 +189,79 @@ struct { \
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/*
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* Singly-linked Tail queue functions.
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*/
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#define STAILQ_EMPTY(head) ((head)->stqh_first == NULL)
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#define STAILQ_EMPTY(head) ((head)->stqh_first == NULL)
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#define STAILQ_FIRST(head) ((head)->stqh_first)
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#define STAILQ_FOREACH(var, head, field) \
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for((var) = STAILQ_FIRST((head)); \
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(var); \
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(var) = STAILQ_NEXT((var), field))
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#define STAILQ_INIT(head) do { \
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(head)->stqh_first = NULL; \
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(head)->stqh_last = &(head)->stqh_first; \
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STAILQ_FIRST((head)) = NULL; \
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(head)->stqh_last = &STAILQ_FIRST((head)); \
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} while (0)
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#define STAILQ_FIRST(head) ((head)->stqh_first)
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#define STAILQ_LAST(head) (*(head)->stqh_last)
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#define STAILQ_FOREACH(var, head, field) \
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for((var) = (head)->stqh_first; (var); (var) = (var)->field.stqe_next)
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#define STAILQ_INSERT_HEAD(head, elm, field) do { \
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if (((elm)->field.stqe_next = (head)->stqh_first) == NULL) \
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(head)->stqh_last = &(elm)->field.stqe_next; \
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(head)->stqh_first = (elm); \
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#define STAILQ_INSERT_AFTER(head, tqelm, elm, field) do { \
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if ((STAILQ_NEXT((elm), field) = STAILQ_NEXT((tqelm), field)) == NULL)\
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(head)->stqh_last = &STAILQ_NEXT((elm), field); \
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STAILQ_NEXT((tqelm), field) = (elm); \
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} while (0)
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#define STAILQ_INSERT_TAIL(head, elm, field) do { \
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(elm)->field.stqe_next = NULL; \
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*(head)->stqh_last = (elm); \
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(head)->stqh_last = &(elm)->field.stqe_next; \
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#define STAILQ_INSERT_HEAD(head, elm, field) do { \
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if ((STAILQ_NEXT((elm), field) = STAILQ_FIRST((head))) == NULL) \
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(head)->stqh_last = &STAILQ_NEXT((elm), field); \
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STAILQ_FIRST((head)) = (elm); \
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} while (0)
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#define STAILQ_INSERT_AFTER(head, tqelm, elm, field) do { \
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if (((elm)->field.stqe_next = (tqelm)->field.stqe_next) == NULL)\
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(head)->stqh_last = &(elm)->field.stqe_next; \
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(tqelm)->field.stqe_next = (elm); \
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#define STAILQ_INSERT_TAIL(head, elm, field) do { \
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STAILQ_NEXT((elm), field) = NULL; \
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STAILQ_LAST((head)) = (elm); \
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(head)->stqh_last = &STAILQ_NEXT((elm), field); \
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} while (0)
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#define STAILQ_NEXT(elm, field) ((elm)->field.stqe_next)
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#define STAILQ_LAST(head) (*(head)->stqh_last)
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#define STAILQ_REMOVE_HEAD(head, field) do { \
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if (((head)->stqh_first = \
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(head)->stqh_first->field.stqe_next) == NULL) \
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(head)->stqh_last = &(head)->stqh_first; \
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} while (0)
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#define STAILQ_NEXT(elm, field) ((elm)->field.stqe_next)
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#define STAILQ_REMOVE_HEAD_UNTIL(head, elm, field) do { \
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if (((head)->stqh_first = (elm)->field.stqe_next) == NULL) \
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(head)->stqh_last = &(head)->stqh_first; \
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} while (0)
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#define STAILQ_REMOVE(head, elm, type, field) do { \
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if ((head)->stqh_first == (elm)) { \
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#define STAILQ_REMOVE(head, elm, type, field) do { \
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if (STAILQ_FIRST((head)) == (elm)) { \
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STAILQ_REMOVE_HEAD(head, field); \
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} \
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else { \
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struct type *curelm = (head)->stqh_first; \
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while( curelm->field.stqe_next != (elm) ) \
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curelm = curelm->field.stqe_next; \
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if((curelm->field.stqe_next = \
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curelm->field.stqe_next->field.stqe_next) == NULL) \
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(head)->stqh_last = &(curelm)->field.stqe_next; \
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struct type *curelm = STAILQ_FIRST((head)); \
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while (STAILQ_NEXT(curelm, field) != (elm)) \
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curelm = STAILQ_NEXT(curelm, field); \
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if ((STAILQ_NEXT(curelm, field) = \
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STAILQ_NEXT(STAILQ_NEXT(curelm, field), field)) == NULL)\
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(head)->stqh_last = &STAILQ_NEXT((curelm), field);\
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} \
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} while (0)
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#define STAILQ_REMOVE_HEAD(head, field) do { \
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if ((STAILQ_FIRST((head)) = \
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STAILQ_NEXT(STAILQ_FIRST((head)), field)) == NULL) \
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(head)->stqh_last = &STAILQ_FIRST((head)); \
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} while (0)
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#define STAILQ_REMOVE_HEAD_UNTIL(head, elm, field) do { \
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if ((STAILQ_FIRST((head)) = STAILQ_NEXT((elm), field)) == NULL) \
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(head)->stqh_last = &STAILQ_FIRST((head)); \
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} while (0)
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/*
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* List definitions.
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* List declarations.
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*/
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#define LIST_HEAD(name, type) \
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#define LIST_HEAD(name, type) \
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struct name { \
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struct type *lh_first; /* first element */ \
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}
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#define LIST_HEAD_INITIALIZER(head) \
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#define LIST_HEAD_INITIALIZER(head) \
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{ NULL }
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#define LIST_ENTRY(type) \
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#define LIST_ENTRY(type) \
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struct { \
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struct type *le_next; /* next element */ \
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struct type **le_prev; /* address of previous next element */ \
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@ -265,61 +271,63 @@ struct { \
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* List functions.
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*/
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#define LIST_EMPTY(head) ((head)->lh_first == NULL)
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#define LIST_EMPTY(head) ((head)->lh_first == NULL)
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#define LIST_FIRST(head) ((head)->lh_first)
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#define LIST_FIRST(head) ((head)->lh_first)
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#define LIST_FOREACH(var, head, field) \
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for((var) = (head)->lh_first; (var); (var) = (var)->field.le_next)
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#define LIST_FOREACH(var, head, field) \
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for ((var) = LIST_FIRST((head)); \
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(var); \
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(var) = LIST_NEXT((var), field))
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#define LIST_INIT(head) do { \
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(head)->lh_first = NULL; \
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LIST_FIRST((head)) = NULL; \
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} while (0)
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#define LIST_INSERT_AFTER(listelm, elm, field) do { \
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if (((elm)->field.le_next = (listelm)->field.le_next) != NULL) \
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(listelm)->field.le_next->field.le_prev = \
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&(elm)->field.le_next; \
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(listelm)->field.le_next = (elm); \
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(elm)->field.le_prev = &(listelm)->field.le_next; \
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#define LIST_INSERT_AFTER(listelm, elm, field) do { \
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if ((LIST_NEXT((elm), field) = LIST_NEXT((listelm), field)) != NULL)\
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LIST_NEXT((listelm), field)->field.le_prev = \
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&LIST_NEXT((elm), field); \
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LIST_NEXT((listelm), field) = (elm); \
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(elm)->field.le_prev = &LIST_NEXT((listelm), field); \
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} while (0)
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#define LIST_INSERT_BEFORE(listelm, elm, field) do { \
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#define LIST_INSERT_BEFORE(listelm, elm, field) do { \
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(elm)->field.le_prev = (listelm)->field.le_prev; \
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(elm)->field.le_next = (listelm); \
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LIST_NEXT((elm), field) = (listelm); \
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*(listelm)->field.le_prev = (elm); \
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(listelm)->field.le_prev = &(elm)->field.le_next; \
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(listelm)->field.le_prev = &LIST_NEXT((elm), field); \
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} while (0)
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#define LIST_INSERT_HEAD(head, elm, field) do { \
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if (((elm)->field.le_next = (head)->lh_first) != NULL) \
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(head)->lh_first->field.le_prev = &(elm)->field.le_next;\
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(head)->lh_first = (elm); \
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(elm)->field.le_prev = &(head)->lh_first; \
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#define LIST_INSERT_HEAD(head, elm, field) do { \
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if ((LIST_NEXT((elm), field) = LIST_FIRST((head))) != NULL) \
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LIST_FIRST((head))->field.le_prev = &LIST_NEXT((elm), field);\
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LIST_FIRST((head)) = (elm); \
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(elm)->field.le_prev = &LIST_FIRST((head)); \
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} while (0)
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#define LIST_NEXT(elm, field) ((elm)->field.le_next)
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#define LIST_NEXT(elm, field) ((elm)->field.le_next)
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#define LIST_REMOVE(elm, field) do { \
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if ((elm)->field.le_next != NULL) \
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(elm)->field.le_next->field.le_prev = \
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#define LIST_REMOVE(elm, field) do { \
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if (LIST_NEXT((elm), field) != NULL) \
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LIST_NEXT((elm), field)->field.le_prev = \
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(elm)->field.le_prev; \
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*(elm)->field.le_prev = (elm)->field.le_next; \
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*(elm)->field.le_prev = LIST_NEXT((elm), field); \
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} while (0)
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/*
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* Tail queue definitions.
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* Tail queue declarations.
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*/
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#define TAILQ_HEAD(name, type) \
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#define TAILQ_HEAD(name, type) \
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struct name { \
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struct type *tqh_first; /* first element */ \
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struct type **tqh_last; /* addr of last next element */ \
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}
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#define TAILQ_HEAD_INITIALIZER(head) \
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#define TAILQ_HEAD_INITIALIZER(head) \
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{ NULL, &(head).tqh_first }
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#define TAILQ_ENTRY(type) \
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#define TAILQ_ENTRY(type) \
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struct { \
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struct type *tqe_next; /* next element */ \
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struct type **tqe_prev; /* address of previous next element */ \
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@ -328,84 +336,89 @@ struct { \
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/*
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* Tail queue functions.
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*/
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#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
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#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
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#define TAILQ_FOREACH(var, head, field) \
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for (var = TAILQ_FIRST(head); var; var = TAILQ_NEXT(var, field))
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#define TAILQ_FIRST(head) ((head)->tqh_first)
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#define TAILQ_FOREACH_REVERSE(var, head, headname, field) \
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#define TAILQ_FOREACH(var, head, field) \
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for ((var) = TAILQ_FIRST((head)); \
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(var); \
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(var) = TAILQ_NEXT((var), field))
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#define TAILQ_FOREACH_REVERSE(var, head, headname, field) \
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for ((var) = TAILQ_LAST((head), headname); \
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(var); \
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(var) = TAILQ_PREV((var), headname, field))
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(var); \
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(var) = TAILQ_PREV((var), headname, field))
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#define TAILQ_FIRST(head) ((head)->tqh_first)
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#define TAILQ_INIT(head) do { \
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TAILQ_FIRST((head)) = NULL; \
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(head)->tqh_last = &TAILQ_FIRST((head)); \
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} while (0)
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#define TAILQ_LAST(head, headname) \
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#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do { \
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if ((TAILQ_NEXT((elm), field) = TAILQ_NEXT((listelm), field)) != NULL)\
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TAILQ_NEXT((elm), field)->field.tqe_prev = \
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&TAILQ_NEXT((elm), field); \
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else \
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(head)->tqh_last = &TAILQ_NEXT((elm), field); \
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TAILQ_NEXT((listelm), field) = (elm); \
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(elm)->field.tqe_prev = &TAILQ_NEXT((listelm), field); \
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} while (0)
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#define TAILQ_INSERT_BEFORE(listelm, elm, field) do { \
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(elm)->field.tqe_prev = (listelm)->field.tqe_prev; \
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TAILQ_NEXT((elm), field) = (listelm); \
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*(listelm)->field.tqe_prev = (elm); \
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(listelm)->field.tqe_prev = &TAILQ_NEXT((elm), field); \
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} while (0)
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#define TAILQ_INSERT_HEAD(head, elm, field) do { \
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if ((TAILQ_NEXT((elm), field) = TAILQ_FIRST((head))) != NULL) \
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TAILQ_FIRST((head))->field.tqe_prev = \
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&TAILQ_NEXT((elm), field); \
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else \
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(head)->tqh_last = &TAILQ_NEXT((elm), field); \
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TAILQ_FIRST((head)) = (elm); \
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(elm)->field.tqe_prev = &TAILQ_FIRST((head)); \
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} while (0)
|
||||
|
||||
#define TAILQ_INSERT_TAIL(head, elm, field) do { \
|
||||
TAILQ_NEXT((elm), field) = NULL; \
|
||||
(elm)->field.tqe_prev = (head)->tqh_last; \
|
||||
*(head)->tqh_last = (elm); \
|
||||
(head)->tqh_last = &TAILQ_NEXT((elm), field); \
|
||||
} while (0)
|
||||
|
||||
#define TAILQ_LAST(head, headname) \
|
||||
(*(((struct headname *)((head)->tqh_last))->tqh_last))
|
||||
|
||||
#define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next)
|
||||
|
||||
#define TAILQ_PREV(elm, headname, field) \
|
||||
#define TAILQ_PREV(elm, headname, field) \
|
||||
(*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
|
||||
|
||||
#define TAILQ_INIT(head) do { \
|
||||
(head)->tqh_first = NULL; \
|
||||
(head)->tqh_last = &(head)->tqh_first; \
|
||||
} while (0)
|
||||
|
||||
#define TAILQ_INSERT_HEAD(head, elm, field) do { \
|
||||
if (((elm)->field.tqe_next = (head)->tqh_first) != NULL) \
|
||||
(head)->tqh_first->field.tqe_prev = \
|
||||
&(elm)->field.tqe_next; \
|
||||
else \
|
||||
(head)->tqh_last = &(elm)->field.tqe_next; \
|
||||
(head)->tqh_first = (elm); \
|
||||
(elm)->field.tqe_prev = &(head)->tqh_first; \
|
||||
} while (0)
|
||||
|
||||
#define TAILQ_INSERT_TAIL(head, elm, field) do { \
|
||||
(elm)->field.tqe_next = NULL; \
|
||||
(elm)->field.tqe_prev = (head)->tqh_last; \
|
||||
*(head)->tqh_last = (elm); \
|
||||
(head)->tqh_last = &(elm)->field.tqe_next; \
|
||||
} while (0)
|
||||
|
||||
#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do { \
|
||||
if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)\
|
||||
(elm)->field.tqe_next->field.tqe_prev = \
|
||||
&(elm)->field.tqe_next; \
|
||||
else \
|
||||
(head)->tqh_last = &(elm)->field.tqe_next; \
|
||||
(listelm)->field.tqe_next = (elm); \
|
||||
(elm)->field.tqe_prev = &(listelm)->field.tqe_next; \
|
||||
} while (0)
|
||||
|
||||
#define TAILQ_INSERT_BEFORE(listelm, elm, field) do { \
|
||||
(elm)->field.tqe_prev = (listelm)->field.tqe_prev; \
|
||||
(elm)->field.tqe_next = (listelm); \
|
||||
*(listelm)->field.tqe_prev = (elm); \
|
||||
(listelm)->field.tqe_prev = &(elm)->field.tqe_next; \
|
||||
} while (0)
|
||||
|
||||
#define TAILQ_REMOVE(head, elm, field) do { \
|
||||
if (((elm)->field.tqe_next) != NULL) \
|
||||
(elm)->field.tqe_next->field.tqe_prev = \
|
||||
#define TAILQ_REMOVE(head, elm, field) do { \
|
||||
if ((TAILQ_NEXT((elm), field)) != NULL) \
|
||||
TAILQ_NEXT((elm), field)->field.tqe_prev = \
|
||||
(elm)->field.tqe_prev; \
|
||||
else \
|
||||
(head)->tqh_last = (elm)->field.tqe_prev; \
|
||||
*(elm)->field.tqe_prev = (elm)->field.tqe_next; \
|
||||
*(elm)->field.tqe_prev = TAILQ_NEXT((elm), field); \
|
||||
} while (0)
|
||||
|
||||
/*
|
||||
* Circular queue definitions.
|
||||
* Circular queue declarations.
|
||||
*/
|
||||
#define CIRCLEQ_HEAD(name, type) \
|
||||
#define CIRCLEQ_HEAD(name, type) \
|
||||
struct name { \
|
||||
struct type *cqh_first; /* first element */ \
|
||||
struct type *cqh_last; /* last element */ \
|
||||
}
|
||||
|
||||
#define CIRCLEQ_ENTRY(type) \
|
||||
#define CIRCLEQ_HEAD_INITIALIZER(head) \
|
||||
{ (void *)&(head), (void *)&(head) }
|
||||
|
||||
#define CIRCLEQ_ENTRY(type) \
|
||||
struct { \
|
||||
struct type *cqe_next; /* next element */ \
|
||||
struct type *cqe_prev; /* previous element */ \
|
||||
@ -414,82 +427,82 @@ struct { \
|
||||
/*
|
||||
* Circular queue functions.
|
||||
*/
|
||||
#define CIRCLEQ_EMPTY(head) ((head)->cqh_first == (void *)(head))
|
||||
#define CIRCLEQ_EMPTY(head) ((head)->cqh_first == (void *)(head))
|
||||
|
||||
#define CIRCLEQ_FIRST(head) ((head)->cqh_first)
|
||||
#define CIRCLEQ_FIRST(head) ((head)->cqh_first)
|
||||
|
||||
#define CIRCLEQ_FOREACH(var, head, field) \
|
||||
for((var) = (head)->cqh_first; \
|
||||
#define CIRCLEQ_FOREACH(var, head, field) \
|
||||
for ((var) = CIRCLEQ_FIRST((head)); \
|
||||
(var) != (void *)(head); \
|
||||
(var) = (var)->field.cqe_next)
|
||||
(var) = CIRCLEQ_NEXT((var), field))
|
||||
|
||||
#define CIRCLEQ_FOREACH_REVERSE(var, head, field) \
|
||||
for((var) = (head)->cqh_last; \
|
||||
#define CIRCLEQ_FOREACH_REVERSE(var, head, field) \
|
||||
for ((var) = CIRCLEQ_LAST((head)); \
|
||||
(var) != (void *)(head); \
|
||||
(var) = (var)->field.cqe_prev)
|
||||
(var) = CIRCLEQ_PREV((var), field))
|
||||
|
||||
#define CIRCLEQ_INIT(head) do { \
|
||||
(head)->cqh_first = (void *)(head); \
|
||||
(head)->cqh_last = (void *)(head); \
|
||||
CIRCLEQ_FIRST((head)) = (void *)(head); \
|
||||
CIRCLEQ_LAST((head)) = (void *)(head); \
|
||||
} while (0)
|
||||
|
||||
#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do { \
|
||||
(elm)->field.cqe_next = (listelm)->field.cqe_next; \
|
||||
(elm)->field.cqe_prev = (listelm); \
|
||||
if ((listelm)->field.cqe_next == (void *)(head)) \
|
||||
(head)->cqh_last = (elm); \
|
||||
#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do { \
|
||||
CIRCLEQ_NEXT((elm), field) = CIRCLEQ_NEXT((listelm), field); \
|
||||
CIRCLEQ_PREV((elm), field) = (listelm); \
|
||||
if (CIRCLEQ_NEXT((listelm), field) == (void *)(head)) \
|
||||
CIRCLEQ_LAST((head)) = (elm); \
|
||||
else \
|
||||
(listelm)->field.cqe_next->field.cqe_prev = (elm); \
|
||||
(listelm)->field.cqe_next = (elm); \
|
||||
CIRCLEQ_PREV(CIRCLEQ_NEXT((listelm), field), field) = (elm);\
|
||||
CIRCLEQ_NEXT((listelm), field) = (elm); \
|
||||
} while (0)
|
||||
|
||||
#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do { \
|
||||
(elm)->field.cqe_next = (listelm); \
|
||||
(elm)->field.cqe_prev = (listelm)->field.cqe_prev; \
|
||||
if ((listelm)->field.cqe_prev == (void *)(head)) \
|
||||
(head)->cqh_first = (elm); \
|
||||
#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do { \
|
||||
CIRCLEQ_NEXT((elm), field) = (listelm); \
|
||||
CIRCLEQ_PREV((elm), field) = CIRCLEQ_PREV((listelm), field); \
|
||||
if (CIRCLEQ_PREV((listelm), field) == (void *)(head)) \
|
||||
CIRCLEQ_FIRST((head)) = (elm); \
|
||||
else \
|
||||
(listelm)->field.cqe_prev->field.cqe_next = (elm); \
|
||||
(listelm)->field.cqe_prev = (elm); \
|
||||
CIRCLEQ_NEXT(CIRCLEQ_PREV((listelm), field), field) = (elm);\
|
||||
CIRCLEQ_PREV((listelm), field) = (elm); \
|
||||
} while (0)
|
||||
|
||||
#define CIRCLEQ_INSERT_HEAD(head, elm, field) do { \
|
||||
(elm)->field.cqe_next = (head)->cqh_first; \
|
||||
(elm)->field.cqe_prev = (void *)(head); \
|
||||
if ((head)->cqh_last == (void *)(head)) \
|
||||
(head)->cqh_last = (elm); \
|
||||
#define CIRCLEQ_INSERT_HEAD(head, elm, field) do { \
|
||||
CIRCLEQ_NEXT((elm), field) = CIRCLEQ_FIRST((head)); \
|
||||
CIRCLEQ_PREV((elm), field) = (void *)(head); \
|
||||
if (CIRCLEQ_LAST((head)) == (void *)(head)) \
|
||||
CIRCLEQ_LAST((head)) = (elm); \
|
||||
else \
|
||||
(head)->cqh_first->field.cqe_prev = (elm); \
|
||||
(head)->cqh_first = (elm); \
|
||||
CIRCLEQ_PREV(CIRCLEQ_FIRST((head)), field) = (elm); \
|
||||
CIRCLEQ_FIRST((head)) = (elm); \
|
||||
} while (0)
|
||||
|
||||
#define CIRCLEQ_INSERT_TAIL(head, elm, field) do { \
|
||||
(elm)->field.cqe_next = (void *)(head); \
|
||||
(elm)->field.cqe_prev = (head)->cqh_last; \
|
||||
if ((head)->cqh_first == (void *)(head)) \
|
||||
(head)->cqh_first = (elm); \
|
||||
#define CIRCLEQ_INSERT_TAIL(head, elm, field) do { \
|
||||
CIRCLEQ_NEXT((elm), field) = (void *)(head); \
|
||||
CIRCLEQ_PREV((elm), field) = CIRCLEQ_LAST((head)); \
|
||||
if (CIRCLEQ_FIRST((head)) == (void *)(head)) \
|
||||
CIRCLEQ_FIRST((head)) = (elm); \
|
||||
else \
|
||||
(head)->cqh_last->field.cqe_next = (elm); \
|
||||
(head)->cqh_last = (elm); \
|
||||
CIRCLEQ_NEXT(CIRCLEQ_LAST((head)), field) = (elm); \
|
||||
CIRCLEQ_LAST((head)) = (elm); \
|
||||
} while (0)
|
||||
|
||||
#define CIRCLEQ_LAST(head) ((head)->cqh_last)
|
||||
#define CIRCLEQ_LAST(head) ((head)->cqh_last)
|
||||
|
||||
#define CIRCLEQ_NEXT(elm,field) ((elm)->field.cqe_next)
|
||||
#define CIRCLEQ_NEXT(elm,field) ((elm)->field.cqe_next)
|
||||
|
||||
#define CIRCLEQ_PREV(elm,field) ((elm)->field.cqe_prev)
|
||||
#define CIRCLEQ_PREV(elm,field) ((elm)->field.cqe_prev)
|
||||
|
||||
#define CIRCLEQ_REMOVE(head, elm, field) do { \
|
||||
if ((elm)->field.cqe_next == (void *)(head)) \
|
||||
(head)->cqh_last = (elm)->field.cqe_prev; \
|
||||
if (CIRCLEQ_NEXT((elm), field) == (void *)(head)) \
|
||||
CIRCLEQ_LAST((head)) = CIRCLEQ_PREV((elm), field); \
|
||||
else \
|
||||
(elm)->field.cqe_next->field.cqe_prev = \
|
||||
(elm)->field.cqe_prev; \
|
||||
if ((elm)->field.cqe_prev == (void *)(head)) \
|
||||
(head)->cqh_first = (elm)->field.cqe_next; \
|
||||
CIRCLEQ_PREV(CIRCLEQ_NEXT((elm), field), field) = \
|
||||
CIRCLEQ_PREV((elm), field); \
|
||||
if (CIRCLEQ_PREV((elm), field) == (void *)(head)) \
|
||||
CIRCLEQ_FIRST((head)) = CIRCLEQ_NEXT((elm), field); \
|
||||
else \
|
||||
(elm)->field.cqe_prev->field.cqe_next = \
|
||||
(elm)->field.cqe_next; \
|
||||
CIRCLEQ_NEXT(CIRCLEQ_PREV((elm), field), field) = \
|
||||
CIRCLEQ_NEXT((elm), field); \
|
||||
} while (0)
|
||||
|
||||
#ifdef _KERNEL
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user