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- // Copyright (c) 2012 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef BASE_WIN_WINDOWS_VERSION_H_
- #define BASE_WIN_WINDOWS_VERSION_H_
- #include <stddef.h>
- #include <string>
- #include "base/base_export.h"
- #include "base/gtest_prod_util.h"
- #include "base/version.h"
- using DWORD = unsigned long; // NOLINT(runtime/int)
- using HANDLE = void*;
- struct _OSVERSIONINFOEXW;
- struct _SYSTEM_INFO;
- namespace base {
- namespace test {
- class ScopedOSInfoOverride;
- } // namespace test
- } // namespace base
- namespace base {
- namespace win {
- // The running version of Windows. This is declared outside OSInfo for
- // syntactic sugar reasons; see the declaration of GetVersion() below.
- // NOTE: Keep these in order so callers can do things like
- // "if (base::win::GetVersion() >= base::win::Version::VISTA) ...".
- enum class Version {
- PRE_XP = 0, // Not supported.
- XP = 1,
- SERVER_2003 = 2, // Also includes XP Pro x64 and Server 2003 R2.
- VISTA = 3, // Also includes Windows Server 2008.
- WIN7 = 4, // Also includes Windows Server 2008 R2.
- WIN8 = 5, // Also includes Windows Server 2012.
- WIN8_1 = 6, // Also includes Windows Server 2012 R2.
- WIN10 = 7, // Threshold 1: Version 1507, Build 10240.
- WIN10_TH2 = 8, // Threshold 2: Version 1511, Build 10586.
- WIN10_RS1 = 9, // Redstone 1: Version 1607, Build 14393.
- // Also includes Windows Server 2016
- WIN10_RS2 = 10, // Redstone 2: Version 1703, Build 15063.
- WIN10_RS3 = 11, // Redstone 3: Version 1709, Build 16299.
- WIN10_RS4 = 12, // Redstone 4: Version 1803, Build 17134.
- WIN10_RS5 = 13, // Redstone 5: Version 1809, Build 17763.
- // Also includes Windows Server 2019
- WIN10_19H1 = 14, // 19H1: Version 1903, Build 18362.
- WIN10_19H2 = 15, // 19H2: Version 1909, Build 18363.
- WIN10_20H1 = 16, // 20H1: Build 19041.
- WIN10_20H2 = 17, // 20H2: Build 19042.
- WIN10_21H1 = 18, // 21H1: Build 19043.
- WIN10_21H2 = 19, // Win10 21H2: Build 19044.
- SERVER_2022 = 20, // Server 2022: Build 20348.
- WIN11 = 21, // Win11 21H2: Build 22000.
- WIN_LAST, // Indicates error condition.
- };
- // A rough bucketing of the available types of versions of Windows. This is used
- // to distinguish enterprise enabled versions from home versions and potentially
- // server versions. Keep these values in the same order, since they are used as
- // is for metrics histogram ids.
- enum VersionType {
- SUITE_HOME = 0,
- SUITE_PROFESSIONAL,
- SUITE_SERVER,
- SUITE_ENTERPRISE,
- SUITE_EDUCATION,
- SUITE_EDUCATION_PRO,
- SUITE_LAST,
- };
- // A singleton that can be used to query various pieces of information about the
- // OS and process state. Note that this doesn't use the base Singleton class, so
- // it can be used without an AtExitManager.
- class BASE_EXPORT OSInfo {
- public:
- struct VersionNumber {
- uint32_t major;
- uint32_t minor;
- uint32_t build;
- uint32_t patch;
- };
- struct ServicePack {
- int major;
- int minor;
- };
- // The processor architecture this copy of Windows natively uses. For
- // example, given an x64-capable processor, we have three possibilities:
- // 32-bit Chrome running on 32-bit Windows: X86_ARCHITECTURE
- // 32-bit Chrome running on 64-bit Windows via WOW64: X64_ARCHITECTURE
- // 64-bit Chrome running on 64-bit Windows: X64_ARCHITECTURE
- enum WindowsArchitecture {
- X86_ARCHITECTURE,
- X64_ARCHITECTURE,
- IA64_ARCHITECTURE,
- ARM64_ARCHITECTURE,
- OTHER_ARCHITECTURE,
- };
- static OSInfo* GetInstance();
- OSInfo(const OSInfo&) = delete;
- OSInfo& operator=(const OSInfo&) = delete;
- // Separate from the rest of OSInfo so it can be used during early process
- // initialization.
- static WindowsArchitecture GetArchitecture();
- // Returns the OS Version as returned from a call to GetVersionEx().
- const Version& version() const { return version_; }
- // Returns detailed version info containing major, minor, build and patch.
- const VersionNumber& version_number() const { return version_number_; }
- // The Kernel32* set of functions return the OS version as determined by a
- // call to VerQueryValue() on kernel32.dll. This avoids any running App Compat
- // shims from manipulating the version reported.
- Version Kernel32Version() const;
- VersionNumber Kernel32VersionNumber() const;
- base::Version Kernel32BaseVersion() const;
- // These helper functions return information about common scenarios of
- // interest in regards to WOW emulation.
- bool IsWowDisabled() const; // Chrome bitness matches OS bitness.
- bool IsWowX86OnAMD64() const; // Chrome x86 on an AMD64 host machine.
- bool IsWowX86OnARM64() const; // Chrome x86 on an ARM64 host machine.
- bool IsWowAMD64OnARM64()
- const; // Chrome AMD64 build on an ARM64 host machine.
- bool IsWowX86OnOther() const; // Chrome x86 on some other x64 host machine.
- // Functions to determine Version Type (e.g. Enterprise/Home) and Service Pack
- // value. See above for definitions of these values.
- const VersionType& version_type() const { return version_type_; }
- const ServicePack& service_pack() const { return service_pack_; }
- const std::string& service_pack_str() const { return service_pack_str_; }
- // Returns the number of processors on the system.
- const int& processors() const { return processors_; }
- // Returns the allocation granularity. See
- // https://docs.microsoft.com/en-us/windows/win32/api/sysinfoapi/ns-sysinfoapi-system_info.
- const size_t& allocation_granularity() const {
- return allocation_granularity_;
- }
- // Processor name as read from registry.
- std::string processor_model_name();
- // Returns the "ReleaseId" (Windows 10 release number) from the registry.
- const std::string& release_id() const { return release_id_; }
- private:
- friend class base::test::ScopedOSInfoOverride;
- FRIEND_TEST_ALL_PREFIXES(OSInfo, MajorMinorBuildToVersion);
- // This enum contains a variety of 32-bit process types that could be
- // running with consideration towards WOW64.
- enum class WowProcessMachine {
- kDisabled, // Chrome bitness matches OS bitness.
- kX86, // 32-bit (x86) Chrome.
- kARM32, // 32-bit (arm32) Chrome.
- kOther, // all other 32-bit Chrome.
- kUnknown,
- };
- // This enum contains a variety of 64-bit host machine architectures that
- // could be running with consideration towards WOW64.
- enum class WowNativeMachine {
- kARM64, // 32-bit Chrome running on ARM64 Windows.
- kAMD64, // 32-bit Chrome running on AMD64 Windows.
- kOther, // 32-bit Chrome running on all other 64-bit Windows.
- kUnknown,
- };
- // This is separate from GetInstance() so that ScopedOSInfoOverride
- // can override it in tests.
- static OSInfo** GetInstanceStorage();
- OSInfo(const _OSVERSIONINFOEXW& version_info,
- const _SYSTEM_INFO& system_info,
- DWORD os_type);
- ~OSInfo();
- // Returns a Version value for a given OS version tuple.
- static Version MajorMinorBuildToVersion(uint32_t major,
- uint32_t minor,
- uint32_t build);
- // Returns the architecture of the process machine within the WOW emulator.
- WowProcessMachine GetWowProcessMachineArchitecture(const int process_machine);
- // Returns the architecture of the native (host) machine using the WOW
- // emulator.
- WowNativeMachine GetWowNativeMachineArchitecture(const int native_machine);
- void InitializeWowStatusValuesFromLegacyApi(HANDLE process_handle);
- void InitializeWowStatusValuesForProcess(HANDLE process_handle);
- Version version_;
- VersionNumber version_number_;
- VersionType version_type_;
- ServicePack service_pack_;
- // Represents the version of the OS associated to a release of
- // Windows 10. Each version may have different releases (such as patch
- // updates). This is the identifier of the release.
- // Example:
- // Windows 10 Version 1809 (OS build 17763) has multiple releases
- // (i.e. build 17763.1, build 17763.195, build 17763.379, ...).
- // See https://docs.microsoft.com/en-us/windows/windows-10/release-information
- // for more information.
- std::string release_id_;
- // A string, such as "Service Pack 3", that indicates the latest Service Pack
- // installed on the system. If no Service Pack has been installed, the string
- // is empty.
- std::string service_pack_str_;
- int processors_;
- size_t allocation_granularity_;
- WowProcessMachine wow_process_machine_;
- WowNativeMachine wow_native_machine_;
- std::string processor_model_name_;
- };
- // Because this is by far the most commonly-requested value from the above
- // singleton, we add a global-scope accessor here as syntactic sugar.
- BASE_EXPORT Version GetVersion();
- } // namespace win
- } // namespace base
- #endif // BASE_WIN_WINDOWS_VERSION_H_
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