实现内存池的测试用例、继承jemalloc和自实现内存池。

mem_pool/mem_pool.h

@@ -0,0 +1,57 @@
+#ifndef __MEM_POOL_H__
+#define __MEM_POOL_H__
+
+#define MEMORY_USE_DEFAULT         0
+#define MEMORY_USE_MYMALLOC        1
+#define MEMORY_USE_JEMALLOC        2
+
+#define MEMORY_SELECT_MALLOC       MEMORY_USE_MYMALLOC
+#include <stddef.h>
+#include <stdint.h>
+
+void *kvs_malloc(size_t size);
+void kvs_free(void *ptr);
+
+    
+
+#define MP_PAGE_SIZE 4096
+#define MP_MIN_SHIFT 3
+#define MP_MAX_SHIFT 12
+
+#define MP_NBUCKETS (MP_MAX_SHIFT - MP_MIN_SHIFT + 1)
+#define MP_MAGIC        0xB10C0A11u
+#define MP_LARGE_CLASS  0xFFFFu
+
+typedef struct mp_free_node {
+    struct mp_free_node* next;
+} mp_free_node_t;
+
+typedef struct mp_blk_hdr {
+    uint32_t magic;
+    uint16_t class_id;   /* 0..MP_NBUCKETS-1, or MP_LARGE_CLASS */
+    uint16_t reserved;
+} mp_blk_hdr_t;
+
+typedef struct mp_page {
+    void* mem;
+    struct mp_page* next;
+} mp_page_t;
+
+typedef struct mp_bucket {
+    mp_free_node_t* free_list; /* 指向用户区 */
+} mp_bucket_t;
+
+typedef struct mp_pool {
+    mp_bucket_t buckets[MP_NBUCKETS];
+    mp_page_t* pages;          /* 所有申请过的页 */
+} mp_pool_t;
+
+/* 初始化/销毁 */
+void  mp_init(mp_pool_t* p);
+void  mp_destroy(mp_pool_t* p);
+
+/* 分配/释放 */
+void* mp_alloc(size_t size);
+void  mp_free(void* ptr);
+
+#endif