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-rw-r--r--security/sandbox/chromium/base/win/windows_version.h133
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diff --git a/security/sandbox/chromium/base/win/windows_version.h b/security/sandbox/chromium/base/win/windows_version.h
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--- a/security/sandbox/chromium/base/win/windows_version.h
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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/macros.h"
-
-typedef void* HANDLE;
-
-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) ...".
-//
-// This enum is used in metrics histograms, so they shouldn't be reordered or
-// removed. New values can be added before VERSION_WIN_LAST.
-enum Version {
- VERSION_PRE_XP = 0, // Not supported.
- VERSION_XP = 1,
- VERSION_SERVER_2003 = 2, // Also includes XP Pro x64 and Server 2003 R2.
- VERSION_VISTA = 3, // Also includes Windows Server 2008.
- VERSION_WIN7 = 4, // Also includes Windows Server 2008 R2.
- VERSION_WIN8 = 5, // Also includes Windows Server 2012.
- VERSION_WIN8_1 = 6, // Also includes Windows Server 2012 R2.
- VERSION_WIN10 = 7, // Also includes Windows 10 Server.
- VERSION_WIN10_TH2 = 8, // Threshold 2: Version 1511, Build 10586.
- VERSION_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.
-enum VersionType {
- SUITE_HOME,
- SUITE_PROFESSIONAL,
- SUITE_SERVER,
- 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 {
- int major;
- int minor;
- int build;
- };
-
- 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,
- OTHER_ARCHITECTURE,
- };
-
- // Whether a process is running under WOW64 (the wrapper that allows 32-bit
- // processes to run on 64-bit versions of Windows). This will return
- // WOW64_DISABLED for both "32-bit Chrome on 32-bit Windows" and "64-bit
- // Chrome on 64-bit Windows". WOW64_UNKNOWN means "an error occurred", e.g.
- // the process does not have sufficient access rights to determine this.
- enum WOW64Status {
- WOW64_DISABLED,
- WOW64_ENABLED,
- WOW64_UNKNOWN,
- };
-
- static OSInfo* GetInstance();
-
- Version version() const { return version_; }
- Version Kernel32Version() const;
- // The next two functions return arrays of values, [major, minor(, build)].
- VersionNumber version_number() const { return version_number_; }
- VersionType version_type() const { return version_type_; }
- ServicePack service_pack() const { return service_pack_; }
- WindowsArchitecture architecture() const { return architecture_; }
- int processors() const { return processors_; }
- size_t allocation_granularity() const { return allocation_granularity_; }
- WOW64Status wow64_status() const { return wow64_status_; }
- std::string processor_model_name();
-
- // Like wow64_status(), but for the supplied handle instead of the current
- // process. This doesn't touch member state, so you can bypass the singleton.
- static WOW64Status GetWOW64StatusForProcess(HANDLE process_handle);
-
- private:
- OSInfo();
- ~OSInfo();
-
- Version version_;
- mutable Version kernel32_version_;
- mutable bool got_kernel32_version_;
- VersionNumber version_number_;
- VersionType version_type_;
- ServicePack service_pack_;
- WindowsArchitecture architecture_;
- int processors_;
- size_t allocation_granularity_;
- WOW64Status wow64_status_;
- std::string processor_model_name_;
-
- DISALLOW_COPY_AND_ASSIGN(OSInfo);
-};
-
-// 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_