48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*********************************************************************************************
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Description: In-thread memory allocation with boundary aligned
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Copyright : All right reserved by NCIC.ICT
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Author : Zhang Zhonghai
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Date : 2023/08/23
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***********************************************************************************************/
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#ifndef __MEMORY_H
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#define __MEMORY_H
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#define MEM_ALIGN_BYTE 8
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#define MEM_MOVE_BIT 3
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typedef struct _thread_mem_t
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{
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size_t occupied; // 已经占用的容量（字节数） 对齐的
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size_t capacity; // 总容量（字节数）
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void *mem; // 申请的内存首地址
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} thread_mem_t;
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// 创建thread_mem_t
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thread_mem_t *create_thread_mem();
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// 初始化
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void init_thread_mem(thread_mem_t *tmem);
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// 初始化并开辟一定量的内存
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void thread_mem_init_alloc(thread_mem_t *tmem, size_t byte_cnt);
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// 请求内存
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void *thread_mem_request(thread_mem_t *tmem, size_t byte_cnt);
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// 请求内存并初始化为零
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void *thread_mem_request_and_clean(thread_mem_t *tmem, size_t byte_cnt);
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// 将不用的内存归还给thread mem
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void thread_mem_release(thread_mem_t *tmem, size_t byte_cnt);
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// 彻底释放内存
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void thread_mem_free(thread_mem_t *tmem);
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// 销毁thread_mem_t
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void destroy_thread_mem(thread_mem_t *tmem);
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#endif |