Class FDeadLoopCheck

Plugins/UnLua/Source/UnLua/Private/LuaDeadLoopCheck.h:26–76

    class FLuaEnv;

    class FDeadLoopCheck
    {
    public:
        static int32 Timeout; // in seconds
        
        class FGuard final
        {
        public:
            explicit FGuard(FDeadLoopCheck* Owner);

            ~FGuard();

            void SetTimeout();

        private:
            static void OnLuaLineEvent(lua_State* L, lua_Debug* ar);

            FDeadLoopCheck* Owner;
        };

        class FRunner final : public FRunnable
        {
        public:
            explicit FRunner();

            virtual uint32 Run() override;

            virtual void Stop() override;

            virtual void Exit() override;

            void GuardEnter(FGuard* Guard);

            void GuardLeave();

        private:
            FThreadSafeBool bRunning;
            FRunnableThread* Thread;
            FThreadSafeCounter GuardCounter;
            FThreadSafeCounter TimeoutCounter;
            std::atomic<FGuard*> TimeoutGuard;
        };
        
        explicit FDeadLoopCheck(FLuaEnv* Env);

        TUniquePtr<FGuard> MakeGuard();

    private:
        FRunner* Runner;
        FLuaEnv* Env;
    };
}