user, p->refcount, p->data); } // 创建对象 struct OBJ * Create(int initData) { struct OBJ *p = (struct OBJ*) malloc(sizeof(*p)); if (p) { // 创建成功,引用计数=1 p->refcount=1; p->data = initData; printf("Create OBJ.refcount=%d\r\n", p->refcount); } return p; }...
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struct fruit_tag pear, plum; 结构中允许存在位段、无名字段以及对齐所需的填充字段。这些通过在字段的声明后面加一个冒号以及字段位长的整数来实现的。 struct pid_tag{ unsigned int inactive : 1; unsigned int : 1; //1个位的填充 unsigned int refcount : 6; unsigned int : 0; //填充到下一个字边...
__Py_Dealloc((PyObject *)(op)) 可以使用sys.getrefcount()函数获取对象的引用计数,需要注意的是,使用时会比预期的引用次数多1,原因是调用时会针对于查询的对象自动产生一个临时引用。 下面简单展现一下引用计数的变化过程。 一开始创建3个对象,引用计数分别是1。 之后将n1指向了新的对象"JKL",则之前的对象...
RefCount Renderable ResourceManager RenderPass RenderTarget RenderingPath RenderStage ResourceAllocator ResourceEdge ResourceNode SceneManager SceneObject Singleton SubMesh Sampler SwapChain Shader ShaderStage ScreenQuad TimerManager TouchInputEvent Transform TweenManager Texture Text...
( &cuObject, object, // Here we use a CUDA-provided template wrapper for this API, // which supplies a callback to delete the C++ object pointer 1, // Initial refcount cudaUserObjectNoDestructorSync // Acknowledge that the callback cannot be // waited on via CUDA ); cudaGraphRetain...
get_online_mems(); mutex_lock(&slab_mutex); s->refcount--; if (s->refcount) goto out_unlock;/* 如果引用不为0,则不释放该slub */ /* 引用==0,释放slub,关键函数为do_kmem_cache_shutdown */ for_each_memcg_cache_safe(c, c2, s) { ...
RefCount Renderable ResourceManager RenderPass RenderTarget RenderingPath RenderStage ResourceAllocator ResourceEdge ResourceNode SceneManager SceneObject Singleton SubMesh Sampler SwapChain Shader ShaderStage ScreenQuad TimerManager TouchInputEvent Transform TweenManager Texture Te...
連線ion 對應- 中 更正的參數AfxConnection(Un)Advise描述pRefCount。 CSimpleStringT類別- 已更新的程式代碼範例。 MFC 類別階層圖表- 已更新 MFC 階層圖表。 C 語言 新文章 一般選取專案 (C11)。 更新文章 registerstorage-class 規範- 已新增 C5033 警告。
rw_refcount++;/* increment count of reader locks */} } rw_mutex.unlock();returnres; }// 阻塞获取写锁voidRWLock::wrlock(){ rw_mutex.lock(); {while(rw_refcount !=0) {/* wait other readers release the rd or wr lock */rw_nwaitwriters++; ...