1 // Written in the D programming language. 2 3 /** 4 * Information about the target operating system, environment, and CPU. 5 * 6 * Copyright: Copyright The D Language Foundation 2000 - 2011 7 * License: $(HTTP www.boost.org/LICENSE_1_0.txt, Boost License 1.0). 8 * Authors: $(HTTP digitalmars.com, Walter Bright) and 9 $(HTTP jmdavisprog.com, Jonathan M Davis) 10 * Source: $(PHOBOSSRC std/system.d) 11 */ 12 module std.system; 13 14 immutable 15 { 16 /++ 17 Operating system. 18 19 Note: 20 This is for cases where you need a value representing the OS at 21 runtime. If you're doing something which should compile differently 22 on different OSes, then please use `version (Windows)`, 23 `version (linux)`, etc. 24 25 See_Also: 26 $(DDSUBLINK spec/version,PredefinedVersions, Predefined Versions) 27 +/ 28 enum OS 29 { 30 win32 = 1, /// Microsoft 32 bit Windows systems 31 win64, /// Microsoft 64 bit Windows systems 32 linux, /// All Linux Systems, except for Android 33 osx, /// Mac OS X 34 iOS, /// iOS 35 tvOS, /// tvOS 36 watchOS, /// watchOS 37 freeBSD, /// FreeBSD 38 netBSD, /// NetBSD 39 openBSD, /// OpenBSD 40 dragonFlyBSD, /// DragonFlyBSD 41 solaris, /// Solaris 42 android, /// Android 43 otherPosix, /// Other Posix Systems 44 unknown, /// Unknown 45 } 46 47 /// The OS that the program was compiled for. 48 version (Win32) OS os = OS.win32; 49 else version (Win64) OS os = OS.win64; 50 else version (Android) OS os = OS.android; 51 else version (linux) OS os = OS.linux; 52 else version (OSX) OS os = OS.osx; 53 else version (iOS) OS os = OS.iOS; 54 else version (tvOS) OS os = OS.tvOS; 55 else version (watchOS) OS os = OS.watchOS; 56 else version (FreeBSD) OS os = OS.freeBSD; 57 else version (NetBSD) OS os = OS.netBSD; 58 else version (OpenBSD) OS os = OS.openBSD; 59 else version (DragonFlyBSD) OS os = OS.dragonFlyBSD; 60 else version (Posix) OS os = OS.otherPosix; 61 else OS os = OS.unknown; 62 63 /++ 64 Byte order endianness. 65 66 Note: 67 This is intended for cases where you need to deal with endianness at 68 runtime. If you're doing something which should compile differently 69 depending on whether you're compiling on a big endian or little 70 endian machine, then please use `version (BigEndian)` and 71 `version (LittleEndian)`. 72 73 See_Also: 74 $(DDSUBLINK spec/version,PredefinedVersions, Predefined Versions) 75 +/ 76 enum Endian 77 { 78 bigEndian, /// Big endian byte order 79 littleEndian /// Little endian byte order 80 } 81 82 /// The endianness that the program was compiled for. 83 version (LittleEndian) Endian endian = Endian.littleEndian; 84 else Endian endian = Endian.bigEndian; 85 } 86 87