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  1. //===- llvm/Support/COM.h ---------------------------------------*- C++ -*-===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8. /// \file
  9. ///
  10. /// Provides a library for accessing COM functionality of the Host OS.
  11. ///
  12. //===----------------------------------------------------------------------===//
  13.  
  14. #ifndef LLVM_SUPPORT_COM_H
  15. #define LLVM_SUPPORT_COM_H
  16.  
  17. namespace llvm {
  18. namespace sys {
  19.  
  20. enum class COMThreadingMode { SingleThreaded, MultiThreaded };
  21.  
  22. class InitializeCOMRAII {
  23. public:
  24.   explicit InitializeCOMRAII(COMThreadingMode Threading,
  25.                              bool SpeedOverMemory = false);
  26.   ~InitializeCOMRAII();
  27.  
  28. private:
  29.   InitializeCOMRAII(const InitializeCOMRAII &) = delete;
  30.   void operator=(const InitializeCOMRAII &) = delete;
  31. };
  32. }
  33. }
  34.  
  35. #endif
  36.