1 /* 2 * Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved. 3 * Copyright (C) 2007-2009 Torch Mobile, Inc. 4 * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef WTF_Platform_h 29 #define WTF_Platform_h 30 31 /* Include compiler specific macros */ 32 #include "wtf/Compiler.h" 33 34 /* ==== Platform adaptation macros: these describe properties of the target environment. ==== */ 35 36 /* HAVE() - specific system features (headers, functions or similar) that are present or not */ 37 #define HAVE(WTF_FEATURE) (defined HAVE_##WTF_FEATURE && HAVE_##WTF_FEATURE) 38 /* OS() - underlying operating system; only to be used for mandated low-level services like 39 virtual memory, not to choose a GUI toolkit */ 40 #define OS(WTF_FEATURE) (defined WTF_OS_##WTF_FEATURE && WTF_OS_##WTF_FEATURE) 41 42 /* ==== Policy decision macros: these define policy choices for a particular port. ==== */ 43 44 /* USE() - use a particular third-party library or optional OS service */ 45 #define USE(WTF_FEATURE) (defined WTF_USE_##WTF_FEATURE && WTF_USE_##WTF_FEATURE) 46 /* ENABLE() - turn on a specific feature of WebKit */ 47 #define ENABLE(WTF_FEATURE) (defined ENABLE_##WTF_FEATURE && ENABLE_##WTF_FEATURE) 48 49 /* ==== OS() - underlying operating system; only to be used for mandated low-level services like 50 virtual memory, not to choose a GUI toolkit ==== */ 51 52 /* OS(ANDROID) - Android */ 53 #ifdef ANDROID 54 #define WTF_OS_ANDROID 1 55 #endif 56 57 /* OS(DARWIN) - Any Darwin-based OS, including Mac OS X and iPhone OS */ 58 #ifdef __APPLE__ 59 #define WTF_OS_DARWIN 1 60 #endif 61 62 /* OS(FREEBSD) - FreeBSD */ 63 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) 64 #define WTF_OS_FREEBSD 1 65 #endif 66 67 /* OS(HURD) - GNU/Hurd */ 68 #ifdef __GNU__ 69 #define WTF_OS_HURD 1 70 #endif 71 72 /* OS(LINUX) - Linux */ 73 #ifdef __linux__ 74 #define WTF_OS_LINUX 1 75 #endif 76 77 /* OS(NETBSD) - NetBSD */ 78 #if defined(__NetBSD__) 79 #define WTF_OS_NETBSD 1 80 #endif 81 82 /* OS(OPENBSD) - OpenBSD */ 83 #ifdef __OpenBSD__ 84 #define WTF_OS_OPENBSD 1 85 #endif 86 87 /* OS(SOLARIS) - Solaris */ 88 #if defined(sun) || defined(__sun) 89 #define WTF_OS_SOLARIS 1 90 #endif 91 92 /* OS(WINDOWS) - Any version of Windows */ 93 #if defined(WIN32) || defined(_WIN32) 94 #define WTF_OS_WINDOWS 1 95 #endif 96 97 /* OS(UNIX) - Any Unix-like system */ 98 #if OS(ANDROID) \ 99 || OS(DARWIN) \ 100 || OS(FREEBSD) \ 101 || OS(HURD) \ 102 || OS(LINUX) \ 103 || OS(NETBSD) \ 104 || OS(OPENBSD) \ 105 || OS(SOLARIS) \ 106 || defined(unix) \ 107 || defined(__unix) \ 108 || defined(__unix__) 109 #define WTF_OS_UNIX 1 110 #endif 111 112 /* Operating environments */ 113 114 #if OS(ANDROID) 115 #define WTF_USE_LOW_QUALITY_IMAGE_INTERPOLATION 1 116 #define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_DITHERING 1 117 #define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_FANCY_UPSAMPLING 1 118 #else 119 #define WTF_USE_ICCJPEG 1 120 #define WTF_USE_QCMSLIB 1 121 #endif 122 123 #if OS(DARWIN) 124 #define WTF_USE_CF 1 125 126 /* We can't override the global operator new and delete on OS(DARWIN) because 127 * some object are allocated by WebKit and deallocated by the embedder. */ 128 #else /* !OS(DARWIN) */ 129 /* On non-OS(DARWIN), the "system malloc" is actually TCMalloc anyway, so there's 130 * no need to use WebKit's copy of TCMalloc. */ 131 #define WTF_USE_SYSTEM_MALLOC 1 132 #endif /* OS(DARWIN) */ 133 134 #if !defined(HAVE_ACCESSIBILITY) 135 #define HAVE_ACCESSIBILITY 1 136 #endif /* !defined(HAVE_ACCESSIBILITY) */ 137 138 #if OS(UNIX) 139 #define HAVE_MMAP 1 140 #define HAVE_SIGNAL_H 1 141 #define HAVE_SYS_TIME_H 1 142 #define WTF_USE_PTHREADS 1 143 #endif /* OS(UNIX) */ 144 145 #if !defined(HAVE_VASPRINTF) 146 #if !COMPILER(MSVC) 147 #define HAVE_VASPRINTF 1 148 #endif 149 #endif 150 151 #if !OS(WINDOWS) && !OS(SOLARIS) && !OS(ANDROID) 152 #define HAVE_TM_GMTOFF 1 153 #define HAVE_TM_ZONE 1 154 #define HAVE_TIMEGM 1 155 #endif 156 157 #if OS(DARWIN) 158 #define HAVE_DISPATCH_H 1 159 #define HAVE_MADV_FREE 1 160 #define HAVE_PTHREAD_SETNAME_NP 1 161 #define HAVE_MADV_FREE_REUSE 1 162 #endif /* OS(DARWIN) */ 163 164 #if OS(WINDOWS) 165 #define HAVE_ISDEBUGGERPRESENT 1 166 #define HAVE_VIRTUALALLOC 1 167 #endif 168 169 #endif /* WTF_Platform_h */ 170
