Line data    Source code

       1             : /* Copyright (C) 2021 Wildfire Games.
       2             :  * This file is part of 0 A.D.
       3             :  *
       4             :  * 0 A.D. is free software: you can redistribute it and/or modify
       5             :  * it under the terms of the GNU General Public License as published by
       6             :  * the Free Software Foundation, either version 2 of the License, or
       7             :  * (at your option) any later version.
       8             :  *
       9             :  * 0 A.D. is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             :  * GNU General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU General Public License
      15             :  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
      16             :  */
      17             : 
      18             : #include "precompiled.h"
      19             : 
      20             : #include "Threading.h"
      21             : 
      22             : #include <thread>
      23             : 
      24             : static bool g_MainThreadSet;
      25           1 : static std::thread::id g_MainThread;
      26             : 
      27         975 : bool Threading::IsMainThread()
      28             : {
      29             :     // If SetMainThread hasn't been called yet, this is probably being
      30             :     // called at static initialisation time, so it must be the main thread
      31         975 :     if (!g_MainThreadSet)
      32         159 :         return true;
      33             : 
      34         816 :     return g_MainThread == std::this_thread::get_id();
      35             : }
      36             : 
      37           1 : void Threading::SetMainThread()
      38             : {
      39           1 :     g_MainThread = std::this_thread::get_id();
      40           1 :     g_MainThreadSet = true;
      41           4 : }