72         : path_(path), dlhandle_(nullptr), refcount_(0) {}  in LayerLibrary()
76           dlhandle_(other.dlhandle_),  in LayerLibrary()
78         other.dlhandle_ = nullptr;  in LayerLibrary()
100     void* dlhandle_;  member in vulkan::api::__anon240457cc0111::LayerLibrary
119             dlhandle_ = android_dlopen_ext(path_.c_str(), RTLD_NOW | RTLD_LOCAL,  in Open()
122             dlhandle_ = dlopen(path_.c_str(), RTLD_NOW | RTLD_LOCAL);  in Open()
124         if (!dlhandle_) {  in Open()
138         dlclose(dlhandle_);  in Close()
139         dlhandle_ = nullptr;  in Close()
147             dlsym(dlhandle_, "vkEnumerateInstanceLayerProperties"));  in EnumerateLayers()
150             dlsym(dlhandle_, "vkEnumerateInstanceExtensionProperties"));  in EnumerateLayers()
160             dlsym(dlhandle_, "vkEnumerateDeviceLayerProperties"));  in EnumerateLayers()
163             dlsym(dlhandle_, "vkEnumerateDeviceExtensionProperties"));  in EnumerateLayers()
294     if (!(gpa = dlsym(dlhandle_, name))) {  in GetGPA()
297         gpa = dlsym(dlhandle_, name);  in GetGPA()