зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
1.4 KiB
C
51 строка
1.4 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_DllPrefetchExperimentRegistryInfo_h
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#define mozilla_DllPrefetchExperimentRegistryInfo_h
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#include "mozilla/Maybe.h"
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#include "mozilla/WinHeaderOnlyUtils.h"
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#include "nsWindowsHelpers.h"
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/**
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* This is a temporary file in order to conduct an experiment on the impact of
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* startup time on retention (see Bug 1640087).
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* This was generally adapted from LauncherRegistryInfo.h
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*/
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namespace mozilla {
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enum class AlteredDllPrefetchMode {
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CurrentPrefetch,
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NoPrefetch,
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OptimizedPrefetch
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};
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class DllPrefetchExperimentRegistryInfo final {
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public:
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DllPrefetchExperimentRegistryInfo() : mBinPath(GetFullBinaryPath().get()) {}
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~DllPrefetchExperimentRegistryInfo() {}
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Result<Ok, nsresult> ReflectPrefToRegistry(int32_t aVal);
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Result<Ok, nsresult> ReadRegistryValueData(DWORD expectedType);
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AlteredDllPrefetchMode GetAlteredDllPrefetchMode();
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private:
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Result<Ok, nsresult> Open();
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nsAutoRegKey mRegKey;
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nsString mBinPath;
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int32_t mPrefetchMode;
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static const wchar_t kExperimentSubKeyPath[];
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};
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} // namespace mozilla
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#endif // mozilla_DllPrefetchExperimentRegistryInfo_h
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