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1. ǰÑÔ
 
±¾ÎĽéÉÜlinuxÄÚºËÖÐһЩ³£ÓõÄÊý¾Ý½á¹¹ºÍ²Ù×÷¡£
 
2. Ë«ÏòÁ´±í(list)
 
linuxÄÚºËÖеÄË«ÏòÁ´±íͨ¹ý½á¹¹ struct list_headÀ´½«¸÷¸ö½ÚµãÁ¬½ÓÆðÀ´£¬´Ë½á¹¹»á×÷ΪÁ´±íÔªËØ½á¹¹ÖеÄÒ»¸ö²ÎÊý£º
struct list_head {
 struct list_head *next, *prev;
};
 
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#define LIST_HEAD_INIT(name) { &(name), &(name) }
#define LIST_HEAD(name) \
 struct list_head name = LIST_HEAD_INIT(name)
#define INIT_LIST_HEAD(ptr) do { \
 (ptr)->next = (ptr); (ptr)->prev = (ptr); \
} while (0)
 
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²åÈëµ½Á´±íÍ·:
void list_add(struct list_head *new, struct list_head *head);
 
²åÈëµ½Á´±íβ:
void list_add_tail(struct list_head *new, struct list_head *head);
 
ɾ³ýÁ´±í½Úµã:
void list_del(struct list_head *entry);
 
½«½ÚµãÒÆ¶¯µ½ÁíÒ»Á´±í:
void list_move(struct list_head *list, struct list_head *head);
 
½«½ÚµãÒÆ¶¯µ½Á´±íβ:
void list_move_tail(struct list_head *list,struct list_head *head);
 
ÅжÏÁ´±íÊÇ·ñΪ¿Õ£¬·µ»Ø1Ϊ¿Õ£¬0·Ç¿Õ
int list_empty(struct list_head *head);
 
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void list_splice(struct list_head *list, struct list_head *head)£»
 
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#define list_entry(ptr, type, member) \
 ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member)))
 
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#define list_for_each(pos, head) \
 for (pos = (head)->next, prefetch(pos->next); pos != (head); \
         pos = pos->next, prefetch(pos->next))
 
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#define list_for_each_prev(pos, head) \
 for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \
         pos = pos->prev, prefetch(pos->prev))
 
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LISH_HEAD(mylist);
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