#ifndef __LIST_IN_SHM_H__
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#define __LIST_IN_SHM_M__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sys/types.h>
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#include "stdint.h"
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#include "errno.h"
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <semaphore.h>
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#include "stdio.h"
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#include <string.h>
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typedef struct sm_list_s
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{
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uint32_t n_off;
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uint32_t p_off;
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uint32_t c ;
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// uint32_t mc;
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} sm_list_t;
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typedef struct node_sm_s
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{
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uint32_t p_off ;
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uint32_t n_off ;
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uint32_t data;
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}node_sm_t ;
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typedef struct list_in_shm_handle_s {
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int fd;
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uint64_t size;
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sem_t * sem;
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uint8_t * ptr ;
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sm_list_t *pFreeListStruct;
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sm_list_t *pList;
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uint8_t *pStart;
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}list_in_shm_handle_t;
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#define GET_OFFSET(baseptr,ptr) ((uint8_t *)ptr-(uint8_t *)baseptr)
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#define GET_PTR(baseptr,offset) ((uint8_t *)baseptr+offset)
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#define FROM_FREE_LIST 0x01
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#define FROM_LIST 0x02
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#define FROM_FRONT 0x10
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#define FROM_BACK 0x20
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int list_in_shm_init(list_in_shm_handle_t * h, char * name, uint32_t size,uint32_t num,char *nameSem,uint8_t init );
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int list_in_shm_insert_node(sm_list_t * plst, uint8_t * basePtr , node_sm_t * node ,uint8_t front);
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node_sm_t *list_in_shm_get_node(sm_list_t * plst,uint8_t * basePtr,uint8_t front);
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node_sm_t * get_node_from_shm(list_in_shm_handle_t * h,uint8_t flags );
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int put_node_in_list(list_in_shm_handle_t * h,node_sm_t *node,uint8_t flags);
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void list_in_shm_finish(list_in_shm_handle_t * h);
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#ifdef __cplusplus
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}
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#endif
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#endif
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