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File indexing completed on 2025-01-18 09:59:35
0001 //----------------------------------*-C++-*----------------------------------// 0002 // Copyright 2023-2024 UT-Battelle, LLC, and other Celeritas developers. 0003 // See the top-level COPYRIGHT file for details. 0004 // SPDX-License-Identifier: (Apache-2.0 OR MIT) 0005 //---------------------------------------------------------------------------// 0006 //! \file geocel/ScopedGeantExceptionHandler.hh 0007 //---------------------------------------------------------------------------// 0008 #pragma once 0009 0010 #include <memory> 0011 0012 #include "corecel/Config.hh" 0013 0014 #include "corecel/Macros.hh" 0015 0016 class G4VExceptionHandler; 0017 0018 namespace celeritas 0019 { 0020 //---------------------------------------------------------------------------// 0021 /*! 0022 * Install and clear a Geant exception handler during this class lifetime. 0023 * 0024 * Note that creating a \c G4RunManagerKernel resets the exception 0025 * handler, so errors thrown during setup *CANNOT* be caught by Celeritas, and 0026 * this class can only be used after creating the \c G4RunManager. 0027 * 0028 * \note This error is suitable only for single-threaded runs and multithreaded 0029 * manager thread. The exceptions it throws will terminate a Geant4 worker 0030 * thread. 0031 */ 0032 class ScopedGeantExceptionHandler 0033 { 0034 public: 0035 // Construct exception handler 0036 ScopedGeantExceptionHandler(); 0037 0038 // Clear on destruction 0039 ~ScopedGeantExceptionHandler(); 0040 //!@{ 0041 //! Prevent copying and moving for RAII class 0042 CELER_DELETE_COPY_MOVE(ScopedGeantExceptionHandler); 0043 //!@} 0044 0045 private: 0046 #if CELERITAS_USE_GEANT4 0047 G4VExceptionHandler* previous_{nullptr}; 0048 std::unique_ptr<G4VExceptionHandler> current_; 0049 #endif 0050 }; 0051 0052 #if !CELERITAS_USE_GEANT4 0053 //!@{ 0054 //! Do nothing if Geant4 is disabled (source file will not be compiled) 0055 inline ScopedGeantExceptionHandler::ScopedGeantExceptionHandler() {} 0056 inline ScopedGeantExceptionHandler::~ScopedGeantExceptionHandler() {} 0057 //!@} 0058 #endif 0059 0060 //---------------------------------------------------------------------------// 0061 } // namespace celeritas
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