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 #include "llvm/Support/Compiler.h" 18 19 namespace llvm { 20 namespace sys { 21 22 enum class COMThreadingMode { SingleThreaded, MultiThreaded }; 23 24 class InitializeCOMRAII { 25 public: 26 LLVM_ABI explicit InitializeCOMRAII(COMThreadingMode Threading, 27 bool SpeedOverMemory = false); 28 LLVM_ABI ~InitializeCOMRAII(); 29 30 private: 31 InitializeCOMRAII(const InitializeCOMRAII &) = delete; 32 void operator=(const InitializeCOMRAII &) = delete; 33 }; 34 } 35 } 36 37 #endif 38