/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 * Jonathan Schleifer <js@webkeks.org> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #import "OFObject.h" #import "OFString.h" OF_ASSUME_NONNULL_BEGIN /*! * @class OFSystemInfo OFSystemInfo.h ObjFW/OFSystemInfo.h * * @brief A class for querying information about the system. */ @interface OFSystemInfo: OFObject /*! * @brief Returns the size of a page. * * @return The size of a page */ + (size_t)pageSize; /*! * @brief Returns the number of CPUs installed in the system. * * A CPU with multiple cores counts as multiple CPUs. * * @return The number of CPUs installed in the system */ + (size_t)numberOfCPUs; /*! * @brief Returns the native 8-bit string encoding of the operating system. * * This is useful to encode strings correctly for passing them to operating * system calls. * * @return The native 8-bit string encoding of the operating system */ + (of_string_encoding_t)native8BitEncoding; /*! * @brief Returns the path where user data for the application can be stored. * * On Unix systems, this adheres to the XDG Base Directory specification.@n * On Mac OS X and iOS, it uses the `NSApplicationSupportDirectory` directory.@n * On Windows, it uses the `APPDATA` environment variable.@n * On Haiku, it uses the `B_USER_SETTINGS_DIRECTORY` directory. * * @return The path where user data for the application can be stored */ + (OFString*)userDataPath; /*! * @brief Returns the path where user configuration for the application can be * stored. * * On Unix systems, this adheres to the XDG Base Directory specification.@n * On Mac OS X and iOS, it uses the `Preferences` directory inside of * `NSLibraryDirectory` directory.@n * On Windows, it uses the `APPDATA` environment variable.@n * On Haiku, it uses the `B_USER_SETTINGS_DIRECTORY` directory. * * @return The path where user configuration for the application can be stored */ + (OFString*)userConfigPath; /*! * @brief Returns the vendor of the CPU. * * If the vendor could not be determined, nil is returned instead. * * @return The vendor of the CPU */ + (nullable OFString*)CPUVendor; /*! * @brief Returns whether the CPU supports MMX. * * @return Whether the CPU supports MMX */ + (bool)supportsMMX; /*! * @brief Returns whether the CPU supports SSE. * * @return Whether the CPU supports SSE */ + (bool)supportsSSE; /*! * @brief Returns whether the CPU supports SSE2. * * @return Whether the CPU supports SSE2 */ + (bool)supportsSSE2; /*! * @brief Returns whether the CPU supports SSE3. * * @return Whether the CPU supports SSE3 */ + (bool)supportsSSE3; /*! * @brief Returns whether the CPU supports SSSE3. * * @return Whether the CPU supports SSSE3 */ + (bool)supportsSSSE3; /*! * @brief Returns whether the CPU supports SSE4.1. * * @return Whether the CPU supports SSE4.1 */ + (bool)supportsSSE41; /*! * @brief Returns whether the CPU supports SSE4.2. * * @return Whether the CPU supports SSE4.2 */ + (bool)supportsSSE42; /*! * @brief Returns whether the CPU supports AVX. * * @return Whether the CPU supports AVX */ + (bool)supportsAVX; /*! * @brief Returns whether the CPU supports AVX2. * * @return Whether the CPU supports AVX2 */ + (bool)supportsAVX2; @end OF_ASSUME_NONNULL_END