1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/sandbox/chromium/base/win/windows_version.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,111 @@
1.4 +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#ifndef BASE_WIN_WINDOWS_VERSION_H_
1.9 +#define BASE_WIN_WINDOWS_VERSION_H_
1.10 +
1.11 +#include <string>
1.12 +
1.13 +#include "base/base_export.h"
1.14 +#include "base/basictypes.h"
1.15 +
1.16 +typedef void* HANDLE;
1.17 +
1.18 +namespace base {
1.19 +namespace win {
1.20 +
1.21 +// The running version of Windows. This is declared outside OSInfo for
1.22 +// syntactic sugar reasons; see the declaration of GetVersion() below.
1.23 +// NOTE: Keep these in order so callers can do things like
1.24 +// "if (base::win::GetVersion() >= base::win::VERSION_VISTA) ...".
1.25 +enum Version {
1.26 + VERSION_PRE_XP = 0, // Not supported.
1.27 + VERSION_XP,
1.28 + VERSION_SERVER_2003, // Also includes XP Pro x64 and Server 2003 R2.
1.29 + VERSION_VISTA, // Also includes Windows Server 2008.
1.30 + VERSION_WIN7, // Also includes Windows Server 2008 R2.
1.31 + VERSION_WIN8, // Also includes Windows Server 2012.
1.32 + VERSION_WIN8_1, // Code named Windows Blue
1.33 + VERSION_WIN_LAST, // Indicates error condition.
1.34 +};
1.35 +
1.36 +// A singleton that can be used to query various pieces of information about the
1.37 +// OS and process state. Note that this doesn't use the base Singleton class, so
1.38 +// it can be used without an AtExitManager.
1.39 +class BASE_EXPORT OSInfo {
1.40 + public:
1.41 + struct VersionNumber {
1.42 + int major;
1.43 + int minor;
1.44 + int build;
1.45 + };
1.46 +
1.47 + struct ServicePack {
1.48 + int major;
1.49 + int minor;
1.50 + };
1.51 +
1.52 + // The processor architecture this copy of Windows natively uses. For
1.53 + // example, given an x64-capable processor, we have three possibilities:
1.54 + // 32-bit Chrome running on 32-bit Windows: X86_ARCHITECTURE
1.55 + // 32-bit Chrome running on 64-bit Windows via WOW64: X64_ARCHITECTURE
1.56 + // 64-bit Chrome running on 64-bit Windows: X64_ARCHITECTURE
1.57 + enum WindowsArchitecture {
1.58 + X86_ARCHITECTURE,
1.59 + X64_ARCHITECTURE,
1.60 + IA64_ARCHITECTURE,
1.61 + OTHER_ARCHITECTURE,
1.62 + };
1.63 +
1.64 + // Whether a process is running under WOW64 (the wrapper that allows 32-bit
1.65 + // processes to run on 64-bit versions of Windows). This will return
1.66 + // WOW64_DISABLED for both "32-bit Chrome on 32-bit Windows" and "64-bit
1.67 + // Chrome on 64-bit Windows". WOW64_UNKNOWN means "an error occurred", e.g.
1.68 + // the process does not have sufficient access rights to determine this.
1.69 + enum WOW64Status {
1.70 + WOW64_DISABLED,
1.71 + WOW64_ENABLED,
1.72 + WOW64_UNKNOWN,
1.73 + };
1.74 +
1.75 + static OSInfo* GetInstance();
1.76 +
1.77 + Version version() const { return version_; }
1.78 + // The next two functions return arrays of values, [major, minor(, build)].
1.79 + VersionNumber version_number() const { return version_number_; }
1.80 + ServicePack service_pack() const { return service_pack_; }
1.81 + WindowsArchitecture architecture() const { return architecture_; }
1.82 + int processors() const { return processors_; }
1.83 + size_t allocation_granularity() const { return allocation_granularity_; }
1.84 + WOW64Status wow64_status() const { return wow64_status_; }
1.85 + std::string processor_model_name();
1.86 +
1.87 + // Like wow64_status(), but for the supplied handle instead of the current
1.88 + // process. This doesn't touch member state, so you can bypass the singleton.
1.89 + static WOW64Status GetWOW64StatusForProcess(HANDLE process_handle);
1.90 +
1.91 + private:
1.92 + OSInfo();
1.93 + ~OSInfo();
1.94 +
1.95 + Version version_;
1.96 + VersionNumber version_number_;
1.97 + ServicePack service_pack_;
1.98 + WindowsArchitecture architecture_;
1.99 + int processors_;
1.100 + size_t allocation_granularity_;
1.101 + WOW64Status wow64_status_;
1.102 + std::string processor_model_name_;
1.103 +
1.104 + DISALLOW_COPY_AND_ASSIGN(OSInfo);
1.105 +};
1.106 +
1.107 +// Because this is by far the most commonly-requested value from the above
1.108 +// singleton, we add a global-scope accessor here as syntactic sugar.
1.109 +BASE_EXPORT Version GetVersion();
1.110 +
1.111 +} // namespace win
1.112 +} // namespace base
1.113 +
1.114 +#endif // BASE_WIN_WINDOWS_VERSION_H_
