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             : #ifndef INCLUDED_THREADING
      19             : #define INCLUDED_THREADING
      20             : 
      21             : #include "ThreadUtil.h"
      22             : 
      23             : #if OS_WIN
      24             : #include "lib/sysdep/os/win/wseh.h"
      25             : #endif
      26             : 
      27             : namespace Threading
      28             : {
      29             : 
      30             : /**
      31             :  * Wrap a function to handle exceptions.
      32             :  * This currently deals with Windows Structured Exception Handling (see wseh.cpp)
      33             :  */
      34             : template<auto F, class T>
      35             : struct HandleExceptionsBase {};
      36             : template<auto functionPtr>
      37             : struct HandleExceptions : public HandleExceptionsBase<functionPtr, decltype(functionPtr)> {};
      38             : 
      39             : template<auto functionPtr, typename... Types>
      40             : struct HandleExceptionsBase<functionPtr, void(*)(Types...)>
      41             : {
      42          14 :     static void Wrapper(Types... args)
      43             :     {
      44             : #if OS_WIN
      45             :         __try
      46             :         {
      47             :             functionPtr(args...);
      48             :         }
      49             :         __except(wseh_ExceptionFilter(GetExceptionInformation()))
      50             :         {
      51             :             // Nothing particular to do.
      52             :         }
      53             : #else
      54          14 :         functionPtr(args...);
      55             : #endif
      56          14 :     }
      57             : };
      58             : 
      59             : }
      60             : 
      61             : #endif // INCLUDED_THREADING