1 /* 2 * Copyright 2004-2010 Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Author: 6 * Erik Jaesler (erik@cgsoftware.com) 7 */ 8 #ifndef _SUPPORT_DEFS_H 9 #define _SUPPORT_DEFS_H 10 11 12 #include <BeBuild.h> 13 #include <Errors.h> 14 15 #include <inttypes.h> 16 #include <sys/types.h> 17 18 19 /* fixed-size integer types */ 20 typedef __haiku_int8 int8; 21 typedef __haiku_uint8 uint8; 22 typedef __haiku_int16 int16; 23 typedef __haiku_uint16 uint16; 24 typedef __haiku_int32 int32; 25 typedef __haiku_uint32 uint32; 26 typedef __haiku_int64 int64; 27 typedef __haiku_uint64 uint64; 28 29 /* shorthand types */ 30 typedef volatile int8 vint8; 31 typedef volatile uint8 vuint8; 32 typedef volatile int16 vint16; 33 typedef volatile uint16 vuint16; 34 typedef volatile int32 vint32; 35 typedef volatile uint32 vuint32; 36 typedef volatile int64 vint64; 37 typedef volatile uint64 vuint64; 38 39 typedef volatile long vlong; 40 typedef volatile int vint; 41 typedef volatile short vshort; 42 typedef volatile char vchar; 43 44 typedef volatile unsigned long vulong; 45 typedef volatile unsigned int vuint; 46 typedef volatile unsigned short vushort; 47 typedef volatile unsigned char vuchar; 48 49 typedef unsigned char uchar; 50 typedef unsigned short unichar; 51 52 /* descriptive types */ 53 typedef int32 status_t; 54 typedef int64 bigtime_t; 55 typedef int64 nanotime_t; 56 typedef uint32 type_code; 57 typedef uint32 perform_code; 58 59 typedef __haiku_phys_addr_t phys_addr_t; 60 typedef phys_addr_t phys_size_t; 61 62 typedef __haiku_generic_addr_t generic_addr_t; 63 typedef generic_addr_t generic_size_t; 64 65 66 /* printf()/scanf() format strings for [u]int* types */ 67 #define B_PRId8 "d" 68 #define B_PRIi8 "i" 69 #define B_PRId16 "d" 70 #define B_PRIi16 "i" 71 #define B_PRId32 __HAIKU_PRI_PREFIX_32 "d" 72 #define B_PRIi32 __HAIKU_PRI_PREFIX_32 "i" 73 #define B_PRId64 __HAIKU_PRI_PREFIX_64 "d" 74 #define B_PRIi64 __HAIKU_PRI_PREFIX_64 "i" 75 #define B_PRIu8 "u" 76 #define B_PRIo8 "o" 77 #define B_PRIx8 "x" 78 #define B_PRIX8 "X" 79 #define B_PRIu16 "u" 80 #define B_PRIo16 "o" 81 #define B_PRIx16 "x" 82 #define B_PRIX16 "X" 83 #define B_PRIu32 __HAIKU_PRI_PREFIX_32 "u" 84 #define B_PRIo32 __HAIKU_PRI_PREFIX_32 "o" 85 #define B_PRIx32 __HAIKU_PRI_PREFIX_32 "x" 86 #define B_PRIX32 __HAIKU_PRI_PREFIX_32 "X" 87 #define B_PRIu64 __HAIKU_PRI_PREFIX_64 "u" 88 #define B_PRIo64 __HAIKU_PRI_PREFIX_64 "o" 89 #define B_PRIx64 __HAIKU_PRI_PREFIX_64 "x" 90 #define B_PRIX64 __HAIKU_PRI_PREFIX_64 "X" 91 92 #define B_SCNd8 "hhd" 93 #define B_SCNi8 "hhi" 94 #define B_SCNd16 "hd" 95 #define B_SCNi16 "hi" 96 #define B_SCNd32 __HAIKU_PRI_PREFIX_32 "d" 97 #define B_SCNi32 __HAIKU_PRI_PREFIX_32 "i" 98 #define B_SCNd64 __HAIKU_PRI_PREFIX_64 "d" 99 #define B_SCNi64 __HAIKU_PRI_PREFIX_64 "i" 100 #define B_SCNu8 "hhu" 101 #define B_SCNo8 "hho" 102 #define B_SCNx8 "hhx" 103 #define B_SCNu16 "hu" 104 #define B_SCNo16 "ho" 105 #define B_SCNx16 "hx" 106 #define B_SCNu32 __HAIKU_PRI_PREFIX_32 "u" 107 #define B_SCNo32 __HAIKU_PRI_PREFIX_32 "o" 108 #define B_SCNx32 __HAIKU_PRI_PREFIX_32 "x" 109 #define B_SCNu64 __HAIKU_PRI_PREFIX_64 "u" 110 #define B_SCNo64 __HAIKU_PRI_PREFIX_64 "o" 111 #define B_SCNx64 __HAIKU_PRI_PREFIX_64 "x" 112 113 /* printf() format strings for some standard types */ 114 /* size_t */ 115 #define B_PRIuSIZE __HAIKU_PRI_PREFIX_ADDR "u" 116 #define B_PRIoSIZE __HAIKU_PRI_PREFIX_ADDR "o" 117 #define B_PRIxSIZE __HAIKU_PRI_PREFIX_ADDR "x" 118 #define B_PRIXSIZE __HAIKU_PRI_PREFIX_ADDR "X" 119 /* ssize_t */ 120 #define B_PRIdSSIZE __HAIKU_PRI_PREFIX_ADDR "d" 121 #define B_PRIiSSIZE __HAIKU_PRI_PREFIX_ADDR "i" 122 /* addr_t */ 123 #define B_PRIuADDR __HAIKU_PRI_PREFIX_ADDR "u" 124 #define B_PRIoADDR __HAIKU_PRI_PREFIX_ADDR "o" 125 #define B_PRIxADDR __HAIKU_PRI_PREFIX_ADDR "x" 126 #define B_PRIXADDR __HAIKU_PRI_PREFIX_ADDR "X" 127 /* phys_addr_t */ 128 #define B_PRIuPHYSADDR __HAIKU_PRI_PREFIX_PHYS_ADDR "u" 129 #define B_PRIoPHYSADDR __HAIKU_PRI_PREFIX_PHYS_ADDR "o" 130 #define B_PRIxPHYSADDR __HAIKU_PRI_PREFIX_PHYS_ADDR "x" 131 #define B_PRIXPHYSADDR __HAIKU_PRI_PREFIX_PHYS_ADDR "X" 132 /* generic_addr_t */ 133 #define B_PRIuGENADDR __HAIKU_PRI_PREFIX_GENERIC_ADDR "u" 134 #define B_PRIoGENADDR __HAIKU_PRI_PREFIX_GENERIC_ADDR "o" 135 #define B_PRIxGENADDR __HAIKU_PRI_PREFIX_GENERIC_ADDR "x" 136 #define B_PRIXGENADDR __HAIKU_PRI_PREFIX_GENERIC_ADDR "X" 137 /* off_t */ 138 #define B_PRIdOFF B_PRId64 139 #define B_PRIiOFF B_PRIi64 140 #define B_PRIxOFF B_PRIx64 141 /* dev_t */ 142 #define B_PRIdDEV B_PRId32 143 #define B_PRIiDEV B_PRIi32 144 /* ino_t */ 145 #define B_PRIdINO B_PRId64 146 #define B_PRIiINO B_PRIi64 147 /* time_t */ 148 #define B_PRIdTIME B_PRId32 149 #define B_PRIiTIME B_PRIi32 150 /* bigtime_t */ 151 #define B_PRIdBIGTIME B_PRId64 152 #define B_PRIiBIGTIME B_PRIi64 153 154 155 /* Printed width of a pointer with the %p format (minus 0x prefix). */ 156 #ifdef B_HAIKU_64_BIT 157 # define B_PRINTF_POINTER_WIDTH 16 158 #else 159 # define B_PRINTF_POINTER_WIDTH 8 160 #endif 161 162 163 /* Empty string ("") */ 164 #ifdef __cplusplus 165 extern const char *B_EMPTY_STRING; 166 #endif 167 168 169 /* min and max comparisons */ 170 #ifndef __cplusplus 171 # ifndef min 172 # define min(a,b) ((a)>(b)?(b):(a)) 173 # endif 174 # ifndef max 175 # define max(a,b) ((a)>(b)?(a):(b)) 176 # endif 177 #endif 178 179 /* min() and max() are functions in C++ */ 180 #define min_c(a,b) ((a)>(b)?(b):(a)) 181 #define max_c(a,b) ((a)>(b)?(a):(b)) 182 183 184 /* Grandfathering */ 185 #ifndef __cplusplus 186 # include <stdbool.h> 187 #endif 188 189 #ifndef NULL 190 # define NULL (0) 191 #endif 192 193 194 #ifdef __cplusplus 195 extern "C" { 196 #endif 197 198 /* Atomic functions; previous value is returned */ 199 extern void atomic_set(int32* value, int32 newValue); 200 extern int32 atomic_get_and_set(int32* value, int32 newValue); 201 extern int32 atomic_test_and_set(int32 *value, int32 newValue, int32 testAgainst); 202 extern int32 atomic_add(int32 *value, int32 addValue); 203 extern int32 atomic_and(int32 *value, int32 andValue); 204 extern int32 atomic_or(int32 *value, int32 orValue); 205 extern int32 atomic_get(int32 *value); 206 207 extern void atomic_set64(int64* value, int64 newValue); 208 extern int64 atomic_get_and_set64(int64* value, int64 newValue); 209 extern int64 atomic_test_and_set64(int64 *value, int64 newValue, int64 testAgainst); 210 extern int64 atomic_add64(int64 *value, int64 addValue); 211 extern int64 atomic_and64(int64 *value, int64 andValue); 212 extern int64 atomic_or64(int64 *value, int64 orValue); 213 extern int64 atomic_get64(int64 *value); 214 215 /* Other stuff */ 216 extern void* get_stack_frame(void); 217 218 #ifdef __cplusplus 219 } 220 #endif 221 222 /* Obsolete or discouraged API */ 223 224 /* use 'true' and 'false' */ 225 #ifndef FALSE 226 # define FALSE 0 227 #endif 228 #ifndef TRUE 229 # define TRUE 1 230 #endif 231 232 233 /* Use the built-in atomic functions, if requested and available. */ 234 235 #if defined(B_USE_BUILTIN_ATOMIC_FUNCTIONS) && __GNUC__ >= 4 236 237 #define atomic_test_and_set(valuePointer, newValue, testAgainst) \ 238 __sync_val_compare_and_swap(valuePointer, testAgainst, newValue) 239 #define atomic_add(valuePointer, addValue) \ 240 __sync_fetch_and_add(valuePointer, addValue) 241 #define atomic_and(valuePointer, andValue) \ 242 __sync_fetch_and_and(valuePointer, andValue) 243 #define atomic_or(valuePointer, orValue) \ 244 __sync_fetch_and_or(valuePointer, orValue) 245 246 #endif // B_USE_BUILTIN_ATOMIC_FUNCTIONS && __GNUC__ >= 4 247 248 249 #endif /* _SUPPORT_DEFS_H */ 250