ProcessRuntimeShared.h (1593B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef mozilla_mscom_ProcessRuntimeShared_h 8 #define mozilla_mscom_ProcessRuntimeShared_h 9 10 #include "mozilla/Assertions.h" 11 #include "mozilla/Attributes.h" 12 #include "mozilla/Types.h" 13 14 namespace mozilla { 15 namespace mscom { 16 namespace detail { 17 18 enum class ProcessInitState : uint32_t { 19 Uninitialized = 0, 20 PartialSecurityInitialized, 21 PartialGlobalOptions, 22 FullyInitialized, 23 }; 24 25 MFBT_API ProcessInitState& BeginProcessRuntimeInit(); 26 MFBT_API void EndProcessRuntimeInit(); 27 28 } // namespace detail 29 30 class MOZ_RAII ProcessInitLock final { 31 public: 32 ProcessInitLock() : mInitState(detail::BeginProcessRuntimeInit()) {} 33 34 ~ProcessInitLock() { detail::EndProcessRuntimeInit(); } 35 36 detail::ProcessInitState GetInitState() const { return mInitState; } 37 38 void SetInitState(const detail::ProcessInitState aNewState) { 39 MOZ_DIAGNOSTIC_ASSERT(aNewState > mInitState); 40 mInitState = aNewState; 41 } 42 43 ProcessInitLock(const ProcessInitLock&) = delete; 44 ProcessInitLock(ProcessInitLock&&) = delete; 45 ProcessInitLock operator=(const ProcessInitLock&) = delete; 46 ProcessInitLock operator=(ProcessInitLock&&) = delete; 47 48 private: 49 detail::ProcessInitState& mInitState; 50 }; 51 52 } // namespace mscom 53 } // namespace mozilla 54 55 #endif // mozilla_mscom_ProcessRuntimeShared_h