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comparison: gfx/cairo/libpixman/src/pixman-compiler.h
gfx/cairo/libpixman/src/pixman-compiler.h
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| -1:000000000000 | 0:5c07303111a9 |
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| 1 /* Pixman uses some non-standard compiler features. This file ensures | |
| 2 * they exist | |
| 3 * | |
| 4 * The features are: | |
| 5 * | |
| 6 * FUNC must be defined to expand to the current function | |
| 7 * PIXMAN_EXPORT should be defined to whatever is required to | |
| 8 * export functions from a shared library | |
| 9 * limits limits for various types must be defined | |
| 10 * inline must be defined | |
| 11 * force_inline must be defined | |
| 12 */ | |
| 13 #if defined (__GNUC__) | |
| 14 # define FUNC ((const char*) (__PRETTY_FUNCTION__)) | |
| 15 #elif defined (__sun) || (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) | |
| 16 # define FUNC ((const char*) (__func__)) | |
| 17 #else | |
| 18 # define FUNC ((const char*) ("???")) | |
| 19 #endif | |
| 20 | |
| 21 #if defined (__GNUC__) | |
| 22 # define MAYBE_UNUSED __attribute__((unused)) | |
| 23 #else | |
| 24 # define MAYBE_UNUSED | |
| 25 #endif | |
| 26 | |
| 27 #ifndef INT16_MIN | |
| 28 # define INT16_MIN (-32767-1) | |
| 29 #endif | |
| 30 | |
| 31 #ifndef INT16_MAX | |
| 32 # define INT16_MAX (32767) | |
| 33 #endif | |
| 34 | |
| 35 #ifndef INT32_MIN | |
| 36 # define INT32_MIN (-2147483647-1) | |
| 37 #endif | |
| 38 | |
| 39 #ifndef INT32_MAX | |
| 40 # define INT32_MAX (2147483647) | |
| 41 #endif | |
| 42 | |
| 43 #ifndef UINT32_MIN | |
| 44 # define UINT32_MIN (0) | |
| 45 #endif | |
| 46 | |
| 47 #ifndef UINT32_MAX | |
| 48 # define UINT32_MAX (4294967295U) | |
| 49 #endif | |
| 50 | |
| 51 #ifndef INT64_MIN | |
| 52 # define INT64_MIN (-9223372036854775807-1) | |
| 53 #endif | |
| 54 | |
| 55 #ifndef INT64_MAX | |
| 56 # define INT64_MAX (9223372036854775807) | |
| 57 #endif | |
| 58 | |
| 59 #ifndef SIZE_MAX | |
| 60 # define SIZE_MAX ((size_t)-1) | |
| 61 #endif | |
| 62 | |
| 63 | |
| 64 #ifndef M_PI | |
| 65 # define M_PI 3.14159265358979323846 | |
| 66 #endif | |
| 67 | |
| 68 #ifdef _MSC_VER | |
| 69 /* 'inline' is available only in C++ in MSVC */ | |
| 70 # define inline __inline | |
| 71 # define force_inline __forceinline | |
| 72 # define noinline __declspec(noinline) | |
| 73 #elif defined __GNUC__ || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) | |
| 74 # define inline __inline__ | |
| 75 # define force_inline __inline__ __attribute__ ((__always_inline__)) | |
| 76 # define noinline __attribute__((noinline)) | |
| 77 #else | |
| 78 # ifndef force_inline | |
| 79 # define force_inline inline | |
| 80 # endif | |
| 81 # ifndef noinline | |
| 82 # define noinline | |
| 83 # endif | |
| 84 #endif | |
| 85 | |
| 86 /* In libxul builds we don't ever want to export pixman symbols */ | |
| 87 #if 1 | |
| 88 #include "prcpucfg.h" | |
| 89 | |
| 90 #ifdef HAVE_VISIBILITY_HIDDEN_ATTRIBUTE | |
| 91 #define CVISIBILITY_HIDDEN __attribute__((visibility("hidden"))) | |
| 92 #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550) | |
| 93 #define CVISIBILITY_HIDDEN __hidden | |
| 94 #else | |
| 95 #define CVISIBILITY_HIDDEN | |
| 96 #endif | |
| 97 | |
| 98 /* In libxul builds we don't ever want to export cairo symbols */ | |
| 99 #define PIXMAN_EXPORT extern CVISIBILITY_HIDDEN | |
| 100 | |
| 101 #else | |
| 102 | |
| 103 /* GCC visibility */ | |
| 104 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(_WIN32) | |
| 105 # define PIXMAN_EXPORT __attribute__ ((visibility("default"))) | |
| 106 /* Sun Studio 8 visibility */ | |
| 107 #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550) | |
| 108 # define PIXMAN_EXPORT __global | |
| 109 #else | |
| 110 # define PIXMAN_EXPORT | |
| 111 #endif | |
| 112 | |
| 113 #endif | |
| 114 | |
| 115 /* member offsets */ | |
| 116 #define CONTAINER_OF(type, member, data) \ | |
| 117 ((type *)(((uint8_t *)data) - offsetof (type, member))) | |
| 118 | |
| 119 /* TLS */ | |
| 120 #if defined(PIXMAN_NO_TLS) | |
| 121 | |
| 122 # define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \ | |
| 123 static type name | |
| 124 # define PIXMAN_GET_THREAD_LOCAL(name) \ | |
| 125 (&name) | |
| 126 | |
| 127 #elif defined(TLS) | |
| 128 | |
| 129 # define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \ | |
| 130 static TLS type name | |
| 131 # define PIXMAN_GET_THREAD_LOCAL(name) \ | |
| 132 (&name) | |
| 133 | |
| 134 #elif defined(__MINGW32__) || defined(PIXMAN_USE_XP_DLL_TLS_WORKAROUND) | |
| 135 | |
| 136 # define _NO_W32_PSEUDO_MODIFIERS | |
| 137 # include <windows.h> | |
| 138 #undef IN | |
| 139 #undef OUT | |
| 140 | |
| 141 # define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \ | |
| 142 static volatile int tls_ ## name ## _initialized = 0; \ | |
| 143 static void *tls_ ## name ## _mutex = NULL; \ | |
| 144 static unsigned tls_ ## name ## _index; \ | |
| 145 \ | |
| 146 static type * \ | |
| 147 tls_ ## name ## _alloc (void) \ | |
| 148 { \ | |
| 149 type *value = calloc (1, sizeof (type)); \ | |
| 150 if (value) \ | |
| 151 TlsSetValue (tls_ ## name ## _index, value); \ | |
| 152 return value; \ | |
| 153 } \ | |
| 154 \ | |
| 155 static force_inline type * \ | |
| 156 tls_ ## name ## _get (void) \ | |
| 157 { \ | |
| 158 type *value; \ | |
| 159 if (!tls_ ## name ## _initialized) \ | |
| 160 { \ | |
| 161 if (!tls_ ## name ## _mutex) \ | |
| 162 { \ | |
| 163 void *mutex = CreateMutexA (NULL, 0, NULL); \ | |
| 164 if (InterlockedCompareExchangePointer ( \ | |
| 165 &tls_ ## name ## _mutex, mutex, NULL) != NULL) \ | |
| 166 { \ | |
| 167 CloseHandle (mutex); \ | |
| 168 } \ | |
| 169 } \ | |
| 170 WaitForSingleObject (tls_ ## name ## _mutex, 0xFFFFFFFF); \ | |
| 171 if (!tls_ ## name ## _initialized) \ | |
| 172 { \ | |
| 173 tls_ ## name ## _index = TlsAlloc (); \ | |
| 174 tls_ ## name ## _initialized = 1; \ | |
| 175 } \ | |
| 176 ReleaseMutex (tls_ ## name ## _mutex); \ | |
| 177 } \ | |
| 178 if (tls_ ## name ## _index == 0xFFFFFFFF) \ | |
| 179 return NULL; \ | |
| 180 value = TlsGetValue (tls_ ## name ## _index); \ | |
| 181 if (!value) \ | |
| 182 value = tls_ ## name ## _alloc (); \ | |
| 183 return value; \ | |
| 184 } | |
| 185 | |
| 186 # define PIXMAN_GET_THREAD_LOCAL(name) \ | |
| 187 tls_ ## name ## _get () | |
| 188 | |
| 189 #elif defined(_MSC_VER) | |
| 190 | |
| 191 # define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \ | |
| 192 static __declspec(thread) type name | |
| 193 # define PIXMAN_GET_THREAD_LOCAL(name) \ | |
| 194 (&name) | |
| 195 | |
| 196 #elif defined(HAVE_PTHREAD_SETSPECIFIC) | |
| 197 | |
| 198 #include <pthread.h> | |
| 199 | |
| 200 # define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \ | |
| 201 static pthread_once_t tls_ ## name ## _once_control = PTHREAD_ONCE_INIT; \ | |
| 202 static pthread_key_t tls_ ## name ## _key; \ | |
| 203 \ | |
| 204 static void \ | |
| 205 tls_ ## name ## _destroy_value (void *value) \ | |
| 206 { \ | |
| 207 free (value); \ | |
| 208 } \ | |
| 209 \ | |
| 210 static void \ | |
| 211 tls_ ## name ## _make_key (void) \ | |
| 212 { \ | |
| 213 pthread_key_create (&tls_ ## name ## _key, \ | |
| 214 tls_ ## name ## _destroy_value); \ | |
| 215 } \ | |
| 216 \ | |
| 217 static type * \ | |
| 218 tls_ ## name ## _alloc (void) \ | |
| 219 { \ | |
| 220 type *value = calloc (1, sizeof (type)); \ | |
| 221 if (value) \ | |
| 222 pthread_setspecific (tls_ ## name ## _key, value); \ | |
| 223 return value; \ | |
| 224 } \ | |
| 225 \ | |
| 226 static force_inline type * \ | |
| 227 tls_ ## name ## _get (void) \ | |
| 228 { \ | |
| 229 type *value = NULL; \ | |
| 230 if (pthread_once (&tls_ ## name ## _once_control, \ | |
| 231 tls_ ## name ## _make_key) == 0) \ | |
| 232 { \ | |
| 233 value = pthread_getspecific (tls_ ## name ## _key); \ | |
| 234 if (!value) \ | |
| 235 value = tls_ ## name ## _alloc (); \ | |
| 236 } \ | |
| 237 return value; \ | |
| 238 } | |
| 239 | |
| 240 # define PIXMAN_GET_THREAD_LOCAL(name) \ | |
| 241 tls_ ## name ## _get () | |
| 242 | |
| 243 #else | |
| 244 | |
| 245 # error "Unknown thread local support for this system. Pixman will not work with multiple threads. Define PIXMAN_NO_TLS to acknowledge and accept this limitation and compile pixman without thread-safety support." | |
| 246 | |
| 247 #endif |
