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D2745.id6327.diff
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D2745.id6327.diff
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Index: sys/queue.h
===================================================================
--- sys/queue.h
+++ sys/queue.h
@@ -79,8 +79,10 @@
*
* SLIST LIST STAILQ TAILQ
* _HEAD + + + +
+ * _CLASS_HEAD + + + +
* _HEAD_INITIALIZER + + + +
* _ENTRY + + + +
+ * _CLASS_ENTRY + + + +
* _INIT + + + +
* _EMPTY + + + +
* _FIRST + + + +
@@ -143,6 +145,15 @@
#define TRASHIT(x)
#endif /* QUEUE_MACRO_DEBUG */
+#ifdef __cplusplus
+/*
+ * In C++ there can be structure lists and class lists:
+ */
+#define QUEUE_TYPEOF(type) type
+#else
+#define QUEUE_TYPEOF(type) struct type
+#endif
+
/*
* Singly-linked List declarations.
*/
@@ -151,6 +162,11 @@
struct type *slh_first; /* first element */ \
}
+#define SLIST_CLASS_HEAD(name, type) \
+struct name { \
+ class type *slh_first; /* first element */ \
+}
+
#define SLIST_HEAD_INITIALIZER(head) \
{ NULL }
@@ -159,6 +175,11 @@
struct type *sle_next; /* next element */ \
}
+#define SLIST_CLASS_ENTRY(type) \
+struct { \
+ class type *sle_next; /* next element */ \
+}
+
/*
* Singly-linked List functions.
*/
@@ -213,7 +234,7 @@
SLIST_REMOVE_HEAD((head), field); \
} \
else { \
- struct type *curelm = SLIST_FIRST((head)); \
+ QUEUE_TYPEOF(type) *curelm = SLIST_FIRST(head); \
while (SLIST_NEXT(curelm, field) != (elm)) \
curelm = SLIST_NEXT(curelm, field); \
SLIST_REMOVE_AFTER(curelm, field); \
@@ -231,7 +252,7 @@
} while (0)
#define SLIST_SWAP(head1, head2, type) do { \
- struct type *swap_first = SLIST_FIRST(head1); \
+ QUEUE_TYPEOF(type) *swap_first = SLIST_FIRST(head1); \
SLIST_FIRST(head1) = SLIST_FIRST(head2); \
SLIST_FIRST(head2) = swap_first; \
} while (0)
@@ -245,6 +266,12 @@
struct type **stqh_last;/* addr of last next element */ \
}
+#define STAILQ_CLASS_HEAD(name, type) \
+struct name { \
+ class type *stqh_first; /* first element */ \
+ class type **stqh_last; /* addr of last next element */ \
+}
+
#define STAILQ_HEAD_INITIALIZER(head) \
{ NULL, &(head).stqh_first }
@@ -253,6 +280,11 @@
struct type *stqe_next; /* next element */ \
}
+#define STAILQ_CLASS_ENTRY(type) \
+struct { \
+ class type *stqe_next; /* next element */ \
+}
+
/*
* Singly-linked Tail queue functions.
*/
@@ -311,9 +343,10 @@
(head)->stqh_last = &STAILQ_NEXT((elm), field); \
} while (0)
-#define STAILQ_LAST(head, type, field) \
- (STAILQ_EMPTY((head)) ? NULL : \
- __containerof((head)->stqh_last, struct type, field.stqe_next))
+#define STAILQ_LAST(head, type, field) \
+ (STAILQ_EMPTY((head)) ? NULL : \
+ __containerof((head)->stqh_last, \
+ QUEUE_TYPEOF(type), field.stqe_next))
#define STAILQ_NEXT(elm, field) ((elm)->field.stqe_next)
@@ -323,7 +356,7 @@
STAILQ_REMOVE_HEAD((head), field); \
} \
else { \
- struct type *curelm = STAILQ_FIRST((head)); \
+ QUEUE_TYPEOF(type) *curelm = STAILQ_FIRST(head); \
while (STAILQ_NEXT(curelm, field) != (elm)) \
curelm = STAILQ_NEXT(curelm, field); \
STAILQ_REMOVE_AFTER(head, curelm, field); \
@@ -344,8 +377,8 @@
} while (0)
#define STAILQ_SWAP(head1, head2, type) do { \
- struct type *swap_first = STAILQ_FIRST(head1); \
- struct type **swap_last = (head1)->stqh_last; \
+ QUEUE_TYPEOF(type) *swap_first = STAILQ_FIRST(head1); \
+ QUEUE_TYPEOF(type) **swap_last = (head1)->stqh_last; \
STAILQ_FIRST(head1) = STAILQ_FIRST(head2); \
(head1)->stqh_last = (head2)->stqh_last; \
STAILQ_FIRST(head2) = swap_first; \
@@ -365,6 +398,11 @@
struct type *lh_first; /* first element */ \
}
+#define LIST_CLASS_HEAD(name, type) \
+struct name { \
+ class type *lh_first; /* first element */ \
+}
+
#define LIST_HEAD_INITIALIZER(head) \
{ NULL }
@@ -374,6 +412,12 @@
struct type **le_prev; /* address of previous next element */ \
}
+#define LIST_CLASS_ENTRY(type) \
+struct { \
+ class type *le_next; /* next element */ \
+ class type **le_prev; /* address of previous next element */ \
+}
+
/*
* List functions.
*/
@@ -458,9 +502,10 @@
#define LIST_NEXT(elm, field) ((elm)->field.le_next)
-#define LIST_PREV(elm, head, type, field) \
- ((elm)->field.le_prev == &LIST_FIRST((head)) ? NULL : \
- __containerof((elm)->field.le_prev, struct type, field.le_next))
+#define LIST_PREV(elm, head, type, field) \
+ ((elm)->field.le_prev == &LIST_FIRST((head)) ? NULL : \
+ __containerof((elm)->field.le_prev, \
+ QUEUE_TYPEOF(type), field.le_next))
#define LIST_REMOVE(elm, field) do { \
QMD_SAVELINK(oldnext, (elm)->field.le_next); \
@@ -476,7 +521,7 @@
} while (0)
#define LIST_SWAP(head1, head2, type, field) do { \
- struct type *swap_tmp = LIST_FIRST((head1)); \
+ QUEUE_TYPEOF(type) *swap_tmp = LIST_FIRST(head1); \
LIST_FIRST((head1)) = LIST_FIRST((head2)); \
LIST_FIRST((head2)) = swap_tmp; \
if ((swap_tmp = LIST_FIRST((head1))) != NULL) \
@@ -495,6 +540,13 @@
TRACEBUF \
}
+#define TAILQ_CLASS_HEAD(name, type) \
+struct name { \
+ class type *tqh_first; /* first element */ \
+ class type **tqh_last; /* addr of last next element */ \
+ TRACEBUF \
+}
+
#define TAILQ_HEAD_INITIALIZER(head) \
{ NULL, &(head).tqh_first, TRACEBUF_INITIALIZER }
@@ -505,6 +557,13 @@
TRACEBUF \
}
+#define TAILQ_CLASS_ENTRY(type) \
+struct { \
+ class type *tqe_next; /* next element */ \
+ class type **tqe_prev; /* address of previous next element */ \
+ TRACEBUF \
+}
+
/*
* Tail queue functions.
*/
@@ -675,8 +734,8 @@
} while (0)
#define TAILQ_SWAP(head1, head2, type, field) do { \
- struct type *swap_first = (head1)->tqh_first; \
- struct type **swap_last = (head1)->tqh_last; \
+ QUEUE_TYPEOF(type) *swap_first = (head1)->tqh_first; \
+ QUEUE_TYPEOF(type) **swap_last = (head1)->tqh_last; \
(head1)->tqh_first = (head2)->tqh_first; \
(head1)->tqh_last = (head2)->tqh_last; \
(head2)->tqh_first = swap_first; \
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