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sp<> 在哪里定义在android源代码中。请根据surfaceflinger回答。
刚刚偶然发现这个问题，希望还为时不晚。见class sp_ frameworks\base\include\utils\RefBase.h frameworks\base\libs\utils\RefBase.cpp
class sp
frameworks\base\include\utils\RefBase.h
frameworks\base\libs\utils\RefBase.cpp