49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
/**
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* @file queue_uint64.h
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* @brief Thread safe queue, which stores uint64_t
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* @details Call queue_init(queue_uint64_msg_t *q, int max_count) paired with queue_deinit(queue_uint64_msg_t *q) as their names imply, queue_initstruct(queue_uint64_msg_t *q)Initialize the message queue structure,*queue_get(queue_uint64_msg_t *q) and queue_put(queue_uint64_msg_t *q, void *data) In and out of the team operation
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* @author miaow (3703781@qq.com)
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* @version 1.0
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* @date 2021/01/10
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*
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* @copyright Copyright (c) 2022 miaow
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*
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* @par Changelog:
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* <table>
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* <tr><th>Date <th>Version <th>Author <th>Description
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* <tr><td>2022/01/09 <td>1.0 <td>miaow <td>Write this file
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* </table>
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*/
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#if !defined(__QUEUE_UINT64_H)
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#define __QUEUE_UINT64_H
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#include <pthread.h>
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#include <stdint.h>
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/**
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* @brief Queue handle structure
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*/
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typedef struct
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{
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uint64_t *buffer; // 缓冲数据, .buffer = msg
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int size; // 队列大小，使用的时候给出稍大的size，可以减少进入内核态的操作
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int lget; // 取队列数据的偏移量
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int lput; // 放队列数据的偏移量
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int nData; // 队列中数据的个数,用来判断队列满/空
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// int nFullThread; // 由于队列满而阻塞在put_queue的线程个数
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// int nEmptyThread; // 由于队列空而阻塞在get_queue的线程个数
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pthread_mutex_t _mux;
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// pthread_cond_t _cond_get, _cond_put;
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} queue_uint64_msg_t;
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// #define QUEUE_UINT64_DEBUG
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int queue_uint64_get(queue_uint64_msg_t *q, uint64_t *data);
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int queue_uint64_put(queue_uint64_msg_t *q, uint64_t data);
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int queue_uint64_initstruct(queue_uint64_msg_t *q);
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int queue_uint64_init(queue_uint64_msg_t *q, int max_count);
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int queue_uint64_clear(queue_uint64_msg_t *q);
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int queue_uint64_deinit(queue_uint64_msg_t *q);
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#endif // __QUEUE_UINT64_H
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