1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/cairo/libpixman/src/pixman-compiler.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,247 @@
1.4 +/* Pixman uses some non-standard compiler features. This file ensures
1.5 + * they exist
1.6 + *
1.7 + * The features are:
1.8 + *
1.9 + * FUNC must be defined to expand to the current function
1.10 + * PIXMAN_EXPORT should be defined to whatever is required to
1.11 + * export functions from a shared library
1.12 + * limits limits for various types must be defined
1.13 + * inline must be defined
1.14 + * force_inline must be defined
1.15 + */
1.16 +#if defined (__GNUC__)
1.17 +# define FUNC ((const char*) (__PRETTY_FUNCTION__))
1.18 +#elif defined (__sun) || (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
1.19 +# define FUNC ((const char*) (__func__))
1.20 +#else
1.21 +# define FUNC ((const char*) ("???"))
1.22 +#endif
1.23 +
1.24 +#if defined (__GNUC__)
1.25 +# define MAYBE_UNUSED __attribute__((unused))
1.26 +#else
1.27 +# define MAYBE_UNUSED
1.28 +#endif
1.29 +
1.30 +#ifndef INT16_MIN
1.31 +# define INT16_MIN (-32767-1)
1.32 +#endif
1.33 +
1.34 +#ifndef INT16_MAX
1.35 +# define INT16_MAX (32767)
1.36 +#endif
1.37 +
1.38 +#ifndef INT32_MIN
1.39 +# define INT32_MIN (-2147483647-1)
1.40 +#endif
1.41 +
1.42 +#ifndef INT32_MAX
1.43 +# define INT32_MAX (2147483647)
1.44 +#endif
1.45 +
1.46 +#ifndef UINT32_MIN
1.47 +# define UINT32_MIN (0)
1.48 +#endif
1.49 +
1.50 +#ifndef UINT32_MAX
1.51 +# define UINT32_MAX (4294967295U)
1.52 +#endif
1.53 +
1.54 +#ifndef INT64_MIN
1.55 +# define INT64_MIN (-9223372036854775807-1)
1.56 +#endif
1.57 +
1.58 +#ifndef INT64_MAX
1.59 +# define INT64_MAX (9223372036854775807)
1.60 +#endif
1.61 +
1.62 +#ifndef SIZE_MAX
1.63 +# define SIZE_MAX ((size_t)-1)
1.64 +#endif
1.65 +
1.66 +
1.67 +#ifndef M_PI
1.68 +# define M_PI 3.14159265358979323846
1.69 +#endif
1.70 +
1.71 +#ifdef _MSC_VER
1.72 +/* 'inline' is available only in C++ in MSVC */
1.73 +# define inline __inline
1.74 +# define force_inline __forceinline
1.75 +# define noinline __declspec(noinline)
1.76 +#elif defined __GNUC__ || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
1.77 +# define inline __inline__
1.78 +# define force_inline __inline__ __attribute__ ((__always_inline__))
1.79 +# define noinline __attribute__((noinline))
1.80 +#else
1.81 +# ifndef force_inline
1.82 +# define force_inline inline
1.83 +# endif
1.84 +# ifndef noinline
1.85 +# define noinline
1.86 +# endif
1.87 +#endif
1.88 +
1.89 +/* In libxul builds we don't ever want to export pixman symbols */
1.90 +#if 1
1.91 +#include "prcpucfg.h"
1.92 +
1.93 +#ifdef HAVE_VISIBILITY_HIDDEN_ATTRIBUTE
1.94 +#define CVISIBILITY_HIDDEN __attribute__((visibility("hidden")))
1.95 +#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
1.96 +#define CVISIBILITY_HIDDEN __hidden
1.97 +#else
1.98 +#define CVISIBILITY_HIDDEN
1.99 +#endif
1.100 +
1.101 +/* In libxul builds we don't ever want to export cairo symbols */
1.102 +#define PIXMAN_EXPORT extern CVISIBILITY_HIDDEN
1.103 +
1.104 +#else
1.105 +
1.106 +/* GCC visibility */
1.107 +#if defined(__GNUC__) && __GNUC__ >= 4 && !defined(_WIN32)
1.108 +# define PIXMAN_EXPORT __attribute__ ((visibility("default")))
1.109 +/* Sun Studio 8 visibility */
1.110 +#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
1.111 +# define PIXMAN_EXPORT __global
1.112 +#else
1.113 +# define PIXMAN_EXPORT
1.114 +#endif
1.115 +
1.116 +#endif
1.117 +
1.118 +/* member offsets */
1.119 +#define CONTAINER_OF(type, member, data) \
1.120 + ((type *)(((uint8_t *)data) - offsetof (type, member)))
1.121 +
1.122 +/* TLS */
1.123 +#if defined(PIXMAN_NO_TLS)
1.124 +
1.125 +# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
1.126 + static type name
1.127 +# define PIXMAN_GET_THREAD_LOCAL(name) \
1.128 + (&name)
1.129 +
1.130 +#elif defined(TLS)
1.131 +
1.132 +# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
1.133 + static TLS type name
1.134 +# define PIXMAN_GET_THREAD_LOCAL(name) \
1.135 + (&name)
1.136 +
1.137 +#elif defined(__MINGW32__) || defined(PIXMAN_USE_XP_DLL_TLS_WORKAROUND)
1.138 +
1.139 +# define _NO_W32_PSEUDO_MODIFIERS
1.140 +# include <windows.h>
1.141 +#undef IN
1.142 +#undef OUT
1.143 +
1.144 +# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
1.145 + static volatile int tls_ ## name ## _initialized = 0; \
1.146 + static void *tls_ ## name ## _mutex = NULL; \
1.147 + static unsigned tls_ ## name ## _index; \
1.148 + \
1.149 + static type * \
1.150 + tls_ ## name ## _alloc (void) \
1.151 + { \
1.152 + type *value = calloc (1, sizeof (type)); \
1.153 + if (value) \
1.154 + TlsSetValue (tls_ ## name ## _index, value); \
1.155 + return value; \
1.156 + } \
1.157 + \
1.158 + static force_inline type * \
1.159 + tls_ ## name ## _get (void) \
1.160 + { \
1.161 + type *value; \
1.162 + if (!tls_ ## name ## _initialized) \
1.163 + { \
1.164 + if (!tls_ ## name ## _mutex) \
1.165 + { \
1.166 + void *mutex = CreateMutexA (NULL, 0, NULL); \
1.167 + if (InterlockedCompareExchangePointer ( \
1.168 + &tls_ ## name ## _mutex, mutex, NULL) != NULL) \
1.169 + { \
1.170 + CloseHandle (mutex); \
1.171 + } \
1.172 + } \
1.173 + WaitForSingleObject (tls_ ## name ## _mutex, 0xFFFFFFFF); \
1.174 + if (!tls_ ## name ## _initialized) \
1.175 + { \
1.176 + tls_ ## name ## _index = TlsAlloc (); \
1.177 + tls_ ## name ## _initialized = 1; \
1.178 + } \
1.179 + ReleaseMutex (tls_ ## name ## _mutex); \
1.180 + } \
1.181 + if (tls_ ## name ## _index == 0xFFFFFFFF) \
1.182 + return NULL; \
1.183 + value = TlsGetValue (tls_ ## name ## _index); \
1.184 + if (!value) \
1.185 + value = tls_ ## name ## _alloc (); \
1.186 + return value; \
1.187 + }
1.188 +
1.189 +# define PIXMAN_GET_THREAD_LOCAL(name) \
1.190 + tls_ ## name ## _get ()
1.191 +
1.192 +#elif defined(_MSC_VER)
1.193 +
1.194 +# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
1.195 + static __declspec(thread) type name
1.196 +# define PIXMAN_GET_THREAD_LOCAL(name) \
1.197 + (&name)
1.198 +
1.199 +#elif defined(HAVE_PTHREAD_SETSPECIFIC)
1.200 +
1.201 +#include <pthread.h>
1.202 +
1.203 +# define PIXMAN_DEFINE_THREAD_LOCAL(type, name) \
1.204 + static pthread_once_t tls_ ## name ## _once_control = PTHREAD_ONCE_INIT; \
1.205 + static pthread_key_t tls_ ## name ## _key; \
1.206 + \
1.207 + static void \
1.208 + tls_ ## name ## _destroy_value (void *value) \
1.209 + { \
1.210 + free (value); \
1.211 + } \
1.212 + \
1.213 + static void \
1.214 + tls_ ## name ## _make_key (void) \
1.215 + { \
1.216 + pthread_key_create (&tls_ ## name ## _key, \
1.217 + tls_ ## name ## _destroy_value); \
1.218 + } \
1.219 + \
1.220 + static type * \
1.221 + tls_ ## name ## _alloc (void) \
1.222 + { \
1.223 + type *value = calloc (1, sizeof (type)); \
1.224 + if (value) \
1.225 + pthread_setspecific (tls_ ## name ## _key, value); \
1.226 + return value; \
1.227 + } \
1.228 + \
1.229 + static force_inline type * \
1.230 + tls_ ## name ## _get (void) \
1.231 + { \
1.232 + type *value = NULL; \
1.233 + if (pthread_once (&tls_ ## name ## _once_control, \
1.234 + tls_ ## name ## _make_key) == 0) \
1.235 + { \
1.236 + value = pthread_getspecific (tls_ ## name ## _key); \
1.237 + if (!value) \
1.238 + value = tls_ ## name ## _alloc (); \
1.239 + } \
1.240 + return value; \
1.241 + }
1.242 +
1.243 +# define PIXMAN_GET_THREAD_LOCAL(name) \
1.244 + tls_ ## name ## _get ()
1.245 +
1.246 +#else
1.247 +
1.248 +# 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."
1.249 +
1.250 +#endif
