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XCEngine/docs/api/core/refcounted/GetRefCount.md

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RefCounted::GetRefCount

uint32_t GetRefCount() const;

获取当前引用计数。

描述

返回当前的引用计数值。由于使用 std::atomic 实现,因此是线程安全的。

返回: uint32_t - 当前引用计数

线程安全:

复杂度: O(1)

示例:

#include <XCEngine/Core/RefCounted.h>
#include <cstdio>

class MyObject : public XCEngine::Core::RefCounted {
public:
    void Debug() {
        printf("RefCount: %u\n", GetRefCount());
    }
};

int main() {
    MyObject* obj = new MyObject();
    printf("After create: %u\n", obj->GetRefCount());
    
    obj->AddRef();
    printf("After AddRef: %u\n", obj->GetRefCount());
    
    obj->Release();
    printf("After Release: %u\n", obj->GetRefCount());
    
    obj->Release();
    return 0;
}

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