| … | |
… | |
| 79 | #else |
79 | #else |
| 80 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
80 | #define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) |
| 81 | #endif |
81 | #endif |
| 82 | #endif |
82 | #endif |
| 83 | |
83 | |
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|
84 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
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85 | #define ECB_C11 (__STDC_VERSION__ >= 201112L) |
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86 | |
| 84 | /*****************************************************************************/ |
87 | /*****************************************************************************/ |
| 85 | |
88 | |
| 86 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
89 | /* ECB_NO_THREADS - ecb is not used by multiple threads, ever */ |
| 87 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
90 | /* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */ |
| 88 | |
91 | |
| … | |
… | |
| 90 | # define ECB_NO_SMP 1 |
93 | # define ECB_NO_SMP 1 |
| 91 | #endif |
94 | #endif |
| 92 | |
95 | |
| 93 | #if ECB_NO_THREADS || ECB_NO_SMP |
96 | #if ECB_NO_THREADS || ECB_NO_SMP |
| 94 | #define ECB_MEMORY_FENCE do { } while (0) |
97 | #define ECB_MEMORY_FENCE do { } while (0) |
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98 | #endif |
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99 | |
|
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100 | #ifndef ECB_MEMORY_FENCE |
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101 | #if ECB_C11 && !defined __STDC_NO_ATOMICS__ |
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102 | /* we assume that these memory fences work on all variables/all memory accesses, */ |
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103 | /* not just C11 atomics and atomic accesses */ |
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104 | #include <stdatomic.h> |
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105 | #define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_acq_rel) |
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106 | #define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire) |
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107 | #define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release) |
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108 | #endif |
| 95 | #endif |
109 | #endif |
| 96 | |
110 | |
| 97 | #ifndef ECB_MEMORY_FENCE |
111 | #ifndef ECB_MEMORY_FENCE |
| 98 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
112 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
| 99 | #if __i386 || __i386__ |
113 | #if __i386 || __i386__ |
| … | |
… | |
| 175 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
189 | #define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE |
| 176 | #endif |
190 | #endif |
| 177 | |
191 | |
| 178 | /*****************************************************************************/ |
192 | /*****************************************************************************/ |
| 179 | |
193 | |
| 180 | #define ECB_C99 (__STDC_VERSION__ >= 199901L) |
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|
| 181 | |
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| 182 | #if __cplusplus |
194 | #if __cplusplus |
| 183 | #define ecb_inline static inline |
195 | #define ecb_inline static inline |
| 184 | #elif ECB_GCC_VERSION(2,5) |
196 | #elif ECB_GCC_VERSION(2,5) |
| 185 | #define ecb_inline static __inline__ |
197 | #define ecb_inline static __inline__ |
| 186 | #elif ECB_C99 |
198 | #elif ECB_C99 |
| … | |
… | |
| 224 | #elif ECB_GCC_VERSION(3,0) |
236 | #elif ECB_GCC_VERSION(3,0) |
| 225 | #define ecb_decltype(x) __typeof(x) |
237 | #define ecb_decltype(x) __typeof(x) |
| 226 | #endif |
238 | #endif |
| 227 | |
239 | |
| 228 | #define ecb_noinline ecb_attribute ((__noinline__)) |
240 | #define ecb_noinline ecb_attribute ((__noinline__)) |
| 229 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
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|
| 230 | #define ecb_unused ecb_attribute ((__unused__)) |
241 | #define ecb_unused ecb_attribute ((__unused__)) |
| 231 | #define ecb_const ecb_attribute ((__const__)) |
242 | #define ecb_const ecb_attribute ((__const__)) |
| 232 | #define ecb_pure ecb_attribute ((__pure__)) |
243 | #define ecb_pure ecb_attribute ((__pure__)) |
|
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244 | |
|
|
245 | #if ECB_C11 |
|
|
246 | #define ecb_noreturn _Noreturn |
|
|
247 | #else |
|
|
248 | #define ecb_noreturn ecb_attribute ((__noreturn__)) |
|
|
249 | #endif |
| 233 | |
250 | |
| 234 | #if ECB_GCC_VERSION(4,3) |
251 | #if ECB_GCC_VERSION(4,3) |
| 235 | #define ecb_artificial ecb_attribute ((__artificial__)) |
252 | #define ecb_artificial ecb_attribute ((__artificial__)) |
| 236 | #define ecb_hot ecb_attribute ((__hot__)) |
253 | #define ecb_hot ecb_attribute ((__hot__)) |
| 237 | #define ecb_cold ecb_attribute ((__cold__)) |
254 | #define ecb_cold ecb_attribute ((__cold__)) |
