Add td:🧵:get_id().

tdutils/td/utils/port/detail/ThreadPthread.h

@@ -72,6 +72,10 @@ class ThreadPthread {
 
   using id = pthread_t;
 
+  id get_id() noexcept {
+    return thread_;
+  }
+
   static void send_real_time_signal(id thread_id, int real_time_signal_number);
 
 #if TD_HAVE_THREAD_AFFINITY

tdutils/td/utils/port/detail/ThreadStl.h

@@ -79,6 +79,14 @@ class ThreadStl {
   using id = std::thread::id;
 #endif
 
+  id get_id() noexcept {
+#if TD_WINDOWS
+    return GetThreadId(thread_.native_handle());
+#else
+    return thread_.get_id();
+#endif
+  }
+
   static void send_real_time_signal(id thread_id, int real_time_signal_number) {
     // not supported
   }