1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
* Copyright (C) 2007-2009 Torch Mobile, Inc.
* Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WTF_Platform_h
#define WTF_Platform_h
/* Include compiler specific macros */
#include "wtf/Compiler.h"
/* ==== Platform adaptation macros: these describe properties of the target environment. ==== */
/* HAVE() - specific system features (headers, functions or similar) that are present or not */
#define HAVE(WTF_FEATURE) (defined HAVE_##WTF_FEATURE && HAVE_##WTF_FEATURE)
/* OS() - underlying operating system; only to be used for mandated low-level services like
virtual memory, not to choose a GUI toolkit */
#define OS(WTF_FEATURE) (defined WTF_OS_##WTF_FEATURE && WTF_OS_##WTF_FEATURE)
/* ==== Policy decision macros: these define policy choices for a particular port. ==== */
/* USE() - use a particular third-party library or optional OS service */
#define USE(WTF_FEATURE) (defined WTF_USE_##WTF_FEATURE && WTF_USE_##WTF_FEATURE)
/* ENABLE() - turn on a specific feature of WebKit */
#define ENABLE(WTF_FEATURE) (defined ENABLE_##WTF_FEATURE && ENABLE_##WTF_FEATURE)
/* ==== OS() - underlying operating system; only to be used for mandated low-level services like
virtual memory, not to choose a GUI toolkit ==== */
/* OS(ANDROID) - Android */
#ifdef ANDROID
#define WTF_OS_ANDROID 1
#endif
/* OS(DARWIN) - Any Darwin-based OS, including Mac OS X and iPhone OS */
#ifdef __APPLE__
#define WTF_OS_DARWIN 1
#endif
/* OS(FREEBSD) - FreeBSD */
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
#define WTF_OS_FREEBSD 1
#endif
/* OS(HURD) - GNU/Hurd */
#ifdef __GNU__
#define WTF_OS_HURD 1
#endif
/* OS(LINUX) - Linux */
#ifdef __linux__
#define WTF_OS_LINUX 1
#endif
/* OS(NETBSD) - NetBSD */
#if defined(__NetBSD__)
#define WTF_OS_NETBSD 1
#endif
/* OS(OPENBSD) - OpenBSD */
#ifdef __OpenBSD__
#define WTF_OS_OPENBSD 1
#endif
/* OS(SOLARIS) - Solaris */
#if defined(sun) || defined(__sun)
#define WTF_OS_SOLARIS 1
#endif
/* OS(WINDOWS) - Any version of Windows */
#if defined(WIN32) || defined(_WIN32)
#define WTF_OS_WINDOWS 1
#endif
/* OS(UNIX) - Any Unix-like system */
#if OS(ANDROID) \
|| OS(DARWIN) \
|| OS(FREEBSD) \
|| OS(HURD) \
|| OS(LINUX) \
|| OS(NETBSD) \
|| OS(OPENBSD) \
|| OS(SOLARIS) \
|| defined(unix) \
|| defined(__unix) \
|| defined(__unix__)
#define WTF_OS_UNIX 1
#endif
/* Operating environments */
#if OS(ANDROID)
#define WTF_USE_LOW_QUALITY_IMAGE_INTERPOLATION 1
#define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_DITHERING 1
#define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_FANCY_UPSAMPLING 1
#else
#define WTF_USE_ICCJPEG 1
#define WTF_USE_QCMSLIB 1
#endif
#if OS(DARWIN)
#define WTF_USE_CF 1
/* We can't override the global operator new and delete on OS(DARWIN) because
* some object are allocated by WebKit and deallocated by the embedder. */
#else /* !OS(DARWIN) */
/* On non-OS(DARWIN), the "system malloc" is actually TCMalloc anyway, so there's
* no need to use WebKit's copy of TCMalloc. */
#define WTF_USE_SYSTEM_MALLOC 1
#endif /* OS(DARWIN) */
#if !defined(HAVE_ACCESSIBILITY)
#define HAVE_ACCESSIBILITY 1
#endif /* !defined(HAVE_ACCESSIBILITY) */
#if OS(UNIX)
#define HAVE_ERRNO_H 1
#define HAVE_MMAP 1
#define HAVE_SIGNAL_H 1
#define HAVE_STRINGS_H 1
#define HAVE_SYS_TIME_H 1
#define WTF_USE_PTHREADS 1
#endif /* OS(UNIX) */
#if (OS(FREEBSD) || OS(OPENBSD)) && !defined(__GLIBC__)
#define HAVE_PTHREAD_NP_H 1
#endif
#if !defined(HAVE_VASPRINTF)
#if !COMPILER(MSVC)
#define HAVE_VASPRINTF 1
#endif
#endif
#if !defined(HAVE_STRNSTR)
#if OS(DARWIN) || (OS(FREEBSD) && !defined(__GLIBC__))
#define HAVE_STRNSTR 1
#endif
#endif
#if !OS(WINDOWS) && !OS(SOLARIS) && !OS(ANDROID)
#define HAVE_TM_GMTOFF 1
#define HAVE_TM_ZONE 1
#define HAVE_TIMEGM 1
#endif
#if OS(DARWIN)
#define HAVE_SYS_TIMEB_H 1
#define HAVE_DISPATCH_H 1
#define HAVE_MADV_FREE 1
#define HAVE_PTHREAD_SETNAME_NP 1
#define HAVE_MADV_FREE_REUSE 1
#endif /* OS(DARWIN) */
#if OS(WINDOWS)
#define HAVE_SYS_TIMEB_H 1
#define HAVE_ALIGNED_MALLOC 1
#define HAVE_ISDEBUGGERPRESENT 1
#define HAVE_VIRTUALALLOC 1
#endif
#endif /* WTF_Platform_h */
|
