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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /toolkit/xre/DllPrefetchExperimentRegistryInfo.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/xre/DllPrefetchExperimentRegistryInfo.h')
-rw-r--r-- | toolkit/xre/DllPrefetchExperimentRegistryInfo.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/toolkit/xre/DllPrefetchExperimentRegistryInfo.h b/toolkit/xre/DllPrefetchExperimentRegistryInfo.h new file mode 100644 index 0000000000..26cba51dcf --- /dev/null +++ b/toolkit/xre/DllPrefetchExperimentRegistryInfo.h @@ -0,0 +1,50 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_DllPrefetchExperimentRegistryInfo_h +#define mozilla_DllPrefetchExperimentRegistryInfo_h + +#include "mozilla/Maybe.h" +#include "mozilla/WinHeaderOnlyUtils.h" +#include "nsWindowsHelpers.h" + +/** + * This is a temporary file in order to conduct an experiment on the impact of + * startup time on retention (see Bug 1640087). + * This was generally adapted from LauncherRegistryInfo.h + */ + +namespace mozilla { + +enum class AlteredDllPrefetchMode { + CurrentPrefetch, + NoPrefetch, + OptimizedPrefetch +}; + +class DllPrefetchExperimentRegistryInfo final { + public: + DllPrefetchExperimentRegistryInfo() : mBinPath(GetFullBinaryPath().get()) {} + ~DllPrefetchExperimentRegistryInfo() {} + + Result<Ok, nsresult> ReflectPrefToRegistry(int32_t aVal); + Result<Ok, nsresult> ReadRegistryValueData(DWORD expectedType); + + AlteredDllPrefetchMode GetAlteredDllPrefetchMode(); + + private: + Result<Ok, nsresult> Open(); + + nsAutoRegKey mRegKey; + nsString mBinPath; + int32_t mPrefetchMode; + + static const wchar_t kExperimentSubKeyPath[]; +}; + +} // namespace mozilla + +#endif // mozilla_DllPrefetchExperimentRegistryInfo_h |