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Add UC_TAILQ_CONTAINER. Fix spelling error

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This commit is contained in:
Nils O. Selåsdal
2013-11-30 03:24:43 +01:00
parent f9ef8d620f
commit ad90215452
1 changed files with 12 additions and 4 deletions
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include/ucore/tailq.h
+12 -4
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@@ -2,8 +2,7 @@
#define UC_TAILQ_H_
#ifdef __GNUC__
//#define UC_INLINE __attribute__((always_inline,flatten))
#define UC_INLINE inline
#define UC_INLINE inline __attribute__((always_inline,flatten))
#else
#define UC_INLINE inline
#endif
@@ -43,6 +42,15 @@ struct TailQ {
#define UC_TAILQ_HEAD(name)\
struct TailQ name = UC_TAILQ_HEAD_INIT(name)
//given 'ptr' as a pointer to a struct 'member',
//find the struct that ptr is the member of, where
//'type' is the type of the containing struct
//This is basically UC_CONTAINER_OF in ucore/utils.h, this is here
//to make tailq.h a standalone header
#define UC_TAILQ_CONTAINER(ptr, type, member) ({\
typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)((void *)(unsigned char *)__mptr - offsetof(type, member) ); })
static UC_INLINE void uc_tailq_init(struct TailQ *head)
{
@@ -112,7 +120,7 @@ static UC_INLINE void uc_tailq_remove(struct TailQ *entry)
static UC_INLINE void uc_tailq_move_head(struct TailQ *entry, struct TailQ *head)
{
uc_tailq_link(entry->prev, entry->next);
uc_taiq_insert(entry, head, head->next);
uc_tailq_insert(entry, head, head->next);
}
/** Move entry from its current tailq to the tail of another tailq.
@@ -121,7 +129,7 @@ static UC_INLINE void uc_tailq_move_head(struct TailQ *entry, struct TailQ *head
static UC_INLINE void uc_tailq_move_tail(struct TailQ *entry, struct TailQ *head)
{
uc_tailq_link(entry->prev, entry->next);
uc_taiq_insert(entry, head->prev, head);
uc_tailq_insert(entry, head->prev, head);
}
//FIRST/NEXT/LAST/PREV macros similar to sys/queue.h