fix lua_handler core at bootstrap fail

src/diagnose/lua/ob_lua_handler.cpp

@@ -127,8 +127,9 @@ void ObUnixDomainListener::stop()
 
 void ObUnixDomainListener::wait()
 {
-  if (IS_INIT) {
+  if (IS_INIT && ATOMIC_LOAD(&running_)) {
     worker_.join();
+    ATOMIC_STORE(&running_, false);
   }
 }
 
@@ -182,7 +183,7 @@ int ObUnixDomainListener::run()
       OB_LOG(ERROR, "ObUnixDomainListener add listen to epoll failed", K(errno));
       ret = OB_ERR_UNEXPECTED;
     } else {
-      ATOMIC_STORE(&stop_, false);
+      ATOMIC_STORE(&running_, true);
       worker_ = std::thread([=]() {
         lib::set_thread_name("LuaHandler");
         lib::ObStackHeaderGuard stack_header_guard;

src/diagnose/lua/ob_lua_handler.h

@@ -30,7 +30,8 @@ class ObUnixDomainListener
 public:
   explicit ObUnixDomainListener()
     : is_inited_(false),
-      stop_(true),
+      stop_(false),
+      running_(false),
       listen_fd_(-1) {}
   ~ObUnixDomainListener();
   int init();
@@ -43,6 +44,7 @@ private:
 private:
   bool is_inited_;
   bool stop_;
+  bool running_;
   int listen_fd_;
   std::thread worker_;
 };