import

AppKit/pool.c

@@ -0,0 +1,23 @@
+#include <pool.h>
+#include "os_macros.h"
+#include "os_align.h"
+
+void pool_add_block(pool_t* self, void* block, os_size_t block_size){
+    // 对齐
+    os_uintptr_t init_start = (os_uintptr_t)block;                  // 初始的位置
+    os_uintptr_t start = OS_ALIGN_UP(init_start, OS_ALIGN_SIZE);    // 向上对齐后的位置
+    block_size -= (start - init_start);                             // 实际使用的块大小
+
+    OS_ASSERT(block_size > self->obj_size);
+
+    // 将内存块拆成 obj_size 大小
+    os_size_t count = block_size/self->obj_size;
+    uint8_t * last = &(((uint8_t*)start)[(count - 1) * self->obj_size]);
+    for(uint8_t * p = (uint8_t*)start; p<last; p+=self->obj_size){
+        ((pool_link_t*)p)->next = (pool_link_t*)(p+self->obj_size);
+    }
+    ((pool_link_t*)last)->next = 0;
+    self->free_list_p = (pool_link_t*)start;
+    self->capacity += count;
+}
+