Lines Matching refs:link
27 #define INIT_LINK_TYPE(elt, link, type) \ argument
29 (elt)->link.prev = (type *)(-1); \
30 (elt)->link.next = (type *)(-1); \
32 #define INIT_LINK(elt, link) \ argument
33 INIT_LINK_TYPE(elt, link, void)
34 #define LINKED(elt, link) ((void *)((elt)->link.prev) != (void *)(-1) && \ argument
35 (void *)((elt)->link.next) != (void *)(-1))
41 #define PREPEND(list, elt, link) \ argument
43 INSIST(!LINKED(elt, link));\
45 (list).head->link.prev = (elt); \
48 (elt)->link.prev = NULL; \
49 (elt)->link.next = (list).head; \
53 #define APPEND(list, elt, link) \ argument
55 INSIST(!LINKED(elt, link));\
57 (list).tail->link.next = (elt); \
60 (elt)->link.prev = (list).tail; \
61 (elt)->link.next = NULL; \
65 #define UNLINK_TYPE(list, elt, link, type) \ argument
67 INSIST(LINKED(elt, link));\
68 if ((elt)->link.next != NULL) \
69 (elt)->link.next->link.prev = (elt)->link.prev; \
72 (list).tail = (elt)->link.prev; \
74 if ((elt)->link.prev != NULL) \
75 (elt)->link.prev->link.next = (elt)->link.next; \
78 (list).head = (elt)->link.next; \
80 INIT_LINK_TYPE(elt, link, type); \
82 #define UNLINK(list, elt, link) \ argument
83 UNLINK_TYPE(list, elt, link, void)
85 #define PREV(elt, link) ((elt)->link.prev) argument
86 #define NEXT(elt, link) ((elt)->link.next) argument
88 #define INSERT_BEFORE(list, before, elt, link) \ argument
90 INSIST(!LINKED(elt, link));\
91 if ((before)->link.prev == NULL) \
92 PREPEND(list, elt, link); \
94 (elt)->link.prev = (before)->link.prev; \
95 (before)->link.prev = (elt); \
96 (elt)->link.prev->link.next = (elt); \
97 (elt)->link.next = (before); \
101 #define INSERT_AFTER(list, after, elt, link) \ argument
103 INSIST(!LINKED(elt, link));\
104 if ((after)->link.next == NULL) \
105 APPEND(list, elt, link); \
107 (elt)->link.next = (after)->link.next; \
108 (after)->link.next = (elt); \
109 (elt)->link.next->link.prev = (elt); \
110 (elt)->link.prev = (after); \
114 #define ENQUEUE(list, elt, link) APPEND(list, elt, link) argument
115 #define DEQUEUE(list, elt, link) UNLINK(list, elt, link) argument