在用户程序中使用linux内核list（转）

#ifdef __KERNEL__

#include <linux/stddef.h>

#include <linux/prefetch.h>

#include <asm/system.h>

#elif 1

#define prefetch(x) 1

#define smp_wmb(x)     1

#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)

#define container_of(ptr, type, member) ({                \

        const typeof( ((type *)0)->member ) *__mptr = (ptr);       \

        (type *)( (char *)__mptr - offsetof(type,member) );})

#include <unistd.h>

#include <stdlib.h>

#include <stdio.h>

#include "list.h"

#define DEBUG do {                                 \

       printf("**************************\n");        \

       printf("list 1:\n");                         \

       list_for_each(i, &list1) {              \

              mylist_t *ops =            \

              list_entry(i,                         \

              mylist_t, list);         \

              printf("pf is %d\n", ops->pf);              \

       }                                        \

                                                 \

       printf("list 2:\n");                         \

       list_for_each(i, &list2) {              \

              mylist_t *ops =            \

              list_entry(i,                         \

              mylist_t, list);         \

              printf("pf is %d\n", ops->pf);              \

       }                                        \

} while(0);

#if 1

typedef struct __mylist {

       int pf;

       char name[FILENAME_MAX];

       struct list_head list;

} mylist_t;

#else

typedef struct __mylist {

       struct list_head list;

       int pf;

       char name[FILENAME_MAX];

} mylist_t;

#endif

static LIST_HEAD(list1);             /* define 2 list */

static LIST_HEAD(list2);

int main(int argc, char *argv[])

{

       struct list_head *i;

       mylist_t elem1;

       mylist_t elem2;

       INIT_LIST_HEAD(&list1);

       INIT_LIST_HEAD(&list2);

       elem1.pf = 2008;

       elem2.pf = 8002;

       list_add(&elem1.list, &list1);

       list_del(&elem1.list);

       list_add(&elem1.list, &list1);

       list_add_tail(&elem2.list, &list1);

       DEBUG;

       /* move element to another list */

       list_move_tail(&elem2.list, &list2);

       list_splice_init(&list1, &list2);       /* merge */

       DEBUG;

       return 0;

}