您最多选择25个主题
主题必须以字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
43 行
962 B
43 行
962 B
#pragma once
|
|
|
|
#include <stddef.h>
|
|
|
|
namespace gp {
|
|
/**
|
|
* @brief The base for all polymorphic allocators
|
|
*/
|
|
struct allocator{
|
|
/**
|
|
* @brief Allocates memory
|
|
*
|
|
* @param sz the amount of bytes to allocate
|
|
*
|
|
* @return the allocated memory as a pointer on success
|
|
* @return nullptr if it failed allocating
|
|
*/
|
|
virtual void* allocate(size_t) = 0;
|
|
|
|
/**
|
|
* @brief Deallocates memory
|
|
*
|
|
* @param ptr the memory to deallocate
|
|
*
|
|
* @return true if the memory was successfully deallocated
|
|
* @return false if the memory was not deallocated
|
|
*/
|
|
virtual bool deallocate(void*) = 0;
|
|
|
|
/**
|
|
* @brief Tries to reallocate memory
|
|
*
|
|
* @param ptr The memory to reallocate
|
|
* @param sz The new size we want to give the memory
|
|
*
|
|
* @return true if reallocation was successful
|
|
* @return false if the reallocation failed
|
|
*/
|
|
virtual bool try_reallocate(void*, size_t) = 0;
|
|
|
|
virtual ~allocator() = default;
|
|
};
|
|
}
|