25 struct SyncPoint::Data {  struct
26   Data() : enabled_(false) {}  in Data()  argument
28   virtual ~Data() {}  in ~Data()  argument
30   std::unordered_map<std::string, std::vector<std::string>> successors_;
31   std::unordered_map<std::string, std::vector<std::string>> predecessors_;
32   std::unordered_map<std::string, std::function<void(void*)> > callbacks_;
33   std::unordered_map<std::string, std::vector<std::string> > markers_;
34   std::unordered_map<std::string, std::thread::id> marked_thread_id_;
36   std::mutex              mutex_;
37   std::condition_variable cv_;
39   std::unordered_set<std::string> cleared_points_;
40   std::atomic<bool> enabled_;
41   int num_callbacks_running_ = 0;
47   void SetCallBack(const std::string& point,  in SetCallBack()
55   void EnableProcessing() {  in EnableProcessing()
58   void DisableProcessing() {  in DisableProcessing()
61   void ClearTrace() {  in ClearTrace()
65   bool DisabledByMarker(const std::string& point,  in DisabledByMarker()