xruntime/runtime_object_graph

xrtobjectgraph* xrtObjectGraphCreate(void);

/* 创建和销毁一个不拥有对象强引用的独立对象图。 */
xhandle* h = xrtObjectGraphCreate();

;

xrtObjectGraphDestroy(obj);

bool xrtObjectGraphTrack( xrtobjectgraph* pGraph, xrtobject* pObject );

/* 幂等跟踪对象；同一对象在任意时刻只能属于一个对象图。 */
result = xrtObjectGraphTrack(pGraph, pObject);

bool xrtObjectGraphUntrack( xrtobjectgraph* pGraph, xrtobject* pObject );

/* 停止跟踪对象；对象不属于该图时返回 false 且不设置错误。 */
result = xrtObjectGraphUntrack(pGraph, pObject);

bool xrtObjectGraphContains( const xrtobjectgraph* pGraph, const xrtobject* pObject );

/* 查询借用对象是否属于图以及图当前跟踪的对象数量。 */
result = xrtObjectGraphContains(pGraph, pObject);

;

/* XRT_API size_t xrtObjectGraphCount(const xrtobjectgraph* pGraph); */
result = xrtObjectGraphCount();

bool xrtObjectGraphCollect( xrtobjectgraph* pGraph, xrtobjectgraphresult* pResult );

/* 在调用方保证对象图静止的安全点收集不可达强引用环。 */
result = xrtObjectGraphCollect(pGraph, pResult);

bool xrtObjectGraphCollectRoots( xrtobjectgraph* pGraph, xrtobjectrootproc pRoots, ptr pContext, xrtobjectgraphresult* pResult );

/* 使用可选的宿主根枚举器收集不可达强引用环。 */
result = xrtObjectGraphCollectRoots(pGraph, pRoots, pContext, pResult);