Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/sys/cpputil.h
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
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1 /* 2 * Portions Copyright (c) 2011, Aggelos Economopoulos 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 3. Neither the name of The DragonFly Project nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific, prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 28 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _SYS_CPPUTIL_H_ 33 #define _SYS_CPPUTIL_H_ 34 35 #include <sys/cdefs.h> 36 /* 37 * This file includes macros that abuse the preprocessor -- 38 * we don't want to have to parse these except when compiling 39 * the files that actually use them. 40 */ 41 42 /* 43 * Returns the number of args in __VA_ARGS__. 44 * Note: returns 1 if __VA_ARGS__ is empty! 45 * Taken from the Boost library. 46 */ 47 48 #define VA_NARGS(...) __VA_ARGS_SIZE(__VA_ARGS__, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1,) 49 50 #define __VA_ARGS_SIZE(e0, e1, e2, e3, e4, e5, e6, e7, e8, e9, e10, e11, e12, e13, e14, e15, e16, e17, e18, e19, e20, e21, e22, e23, e24, e25, e26, e27, e28, e29, e30, e31, e32, e33, e34, e35, e36, e37, e38, e39, e40, e41, e42, e43, e44, e45, e46, e47, e48, e49, e50, e51, e52, e53, e54, e55, e56, e57, e58, e59, e60, e61, e62, e63, size, ...) size 51 52 /* 53 * Generate a struction declaration using the arguments passed in. 54 * E.g. __GENSTRUCT(mystruct, int a, char *b); expands to 55 * struct mystruct { 56 * int a; 57 * char *b; 58 * }; 59 */ 60 61 #define __GENSTRUCT(tag, args...)\ 62 __CONCAT(__GENSTRUCT,VA_NARGS(args))(tag, args) 63 64 65 #define __GENSTRUCT1(tag, arg1) struct tag { \ 66 arg1; \ 67 } 68 #define __GENSTRUCT2(tag, arg1, arg2) struct tag { \ 69 arg1; \ 70 arg2; \ 71 } 72 #define __GENSTRUCT3(tag, arg1, arg2, arg3) struct tag { \ 73 arg1; \ 74 arg2; \ 75 arg3; \ 76 } 77 #define __GENSTRUCT4(tag, arg1, arg2, arg3, arg4) struct tag { \ 78 arg1; \ 79 arg2; \ 80 arg3; \ 81 arg4; \ 82 } 83 #define __GENSTRUCT5(tag, arg1, arg2, arg3, arg4, arg5) struct tag { \ 84 arg1; \ 85 arg2; \ 86 arg3; \ 87 arg4; \ 88 arg5; \ 89 } 90 #define __GENSTRUCT6(tag, arg1, arg2, arg3, arg4, arg5, arg6) struct tag { \ 91 arg1; \ 92 arg2; \ 93 arg3; \ 94 arg4; \ 95 arg5; \ 96 arg6; \ 97 } 98 #define __GENSTRUCT7(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7) struct tag { \ 99 arg1; \ 100 arg2; \ 101 arg3; \ 102 arg4; \ 103 arg5; \ 104 arg6; \ 105 arg7; \ 106 } 107 #define __GENSTRUCT8(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) struct tag { \ 108 arg1; \ 109 arg2; \ 110 arg3; \ 111 arg4; \ 112 arg5; \ 113 arg6; \ 114 arg7; \ 115 arg8; \ 116 } 117 #define __GENSTRUCT9(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9) struct tag { \ 118 arg1; \ 119 arg2; \ 120 arg3; \ 121 arg4; \ 122 arg5; \ 123 arg6; \ 124 arg7; \ 125 arg8; \ 126 arg9; \ 127 } 128 #define __GENSTRUCT10(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10) struct tag { \ 129 arg1; \ 130 arg2; \ 131 arg3; \ 132 arg4; \ 133 arg5; \ 134 arg6; \ 135 arg7; \ 136 arg8; \ 137 arg9; \ 138 arg10; \ 139 } 140 #define __GENSTRUCT11(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11) struct tag { \ 141 arg1; \ 142 arg2; \ 143 arg3; \ 144 arg4; \ 145 arg5; \ 146 arg6; \ 147 arg7; \ 148 arg8; \ 149 arg9; \ 150 arg10; \ 151 arg11; \ 152 } 153 #define __GENSTRUCT12(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12) struct tag { \ 154 arg1; \ 155 arg2; \ 156 arg3; \ 157 arg4; \ 158 arg5; \ 159 arg6; \ 160 arg7; \ 161 arg8; \ 162 arg9; \ 163 arg10; \ 164 arg11; \ 165 arg12; \ 166 } 167 #define __GENSTRUCT13(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13) struct tag { \ 168 arg1; \ 169 arg2; \ 170 arg3; \ 171 arg4; \ 172 arg5; \ 173 arg6; \ 174 arg7; \ 175 arg8; \ 176 arg9; \ 177 arg10; \ 178 arg11; \ 179 arg12; \ 180 arg13; \ 181 } 182 #define __GENSTRUCT14(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14) struct tag { \ 183 arg1; \ 184 arg2; \ 185 arg3; \ 186 arg4; \ 187 arg5; \ 188 arg6; \ 189 arg7; \ 190 arg8; \ 191 arg9; \ 192 arg10; \ 193 arg11; \ 194 arg12; \ 195 arg13; \ 196 arg14; \ 197 } 198 #define __GENSTRUCT15(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15) struct tag { \ 199 arg1; \ 200 arg2; \ 201 arg3; \ 202 arg4; \ 203 arg5; \ 204 arg6; \ 205 arg7; \ 206 arg8; \ 207 arg9; \ 208 arg10; \ 209 arg11; \ 210 arg12; \ 211 arg13; \ 212 arg14; \ 213 arg15; \ 214 } 215 #define __GENSTRUCT16(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16) struct tag { \ 216 arg1; \ 217 arg2; \ 218 arg3; \ 219 arg4; \ 220 arg5; \ 221 arg6; \ 222 arg7; \ 223 arg8; \ 224 arg9; \ 225 arg10; \ 226 arg11; \ 227 arg12; \ 228 arg13; \ 229 arg14; \ 230 arg15; \ 231 arg16; \ 232 } 233 #define __GENSTRUCT17(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17) struct tag { \ 234 arg1; \ 235 arg2; \ 236 arg3; \ 237 arg4; \ 238 arg5; \ 239 arg6; \ 240 arg7; \ 241 arg8; \ 242 arg9; \ 243 arg10; \ 244 arg11; \ 245 arg12; \ 246 arg13; \ 247 arg14; \ 248 arg15; \ 249 arg16; \ 250 arg17; \ 251 } 252 #define __GENSTRUCT18(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17, arg18)struct tag { \ 253 arg1; \ 254 arg2; \ 255 arg3; \ 256 arg4; \ 257 arg5; \ 258 arg6; \ 259 arg7; \ 260 arg8; \ 261 arg9; \ 262 arg10; \ 263 arg11; \ 264 arg12; \ 265 arg13; \ 266 arg14; \ 267 arg15; \ 268 arg16; \ 269 arg17; \ 270 arg18; \ 271 } 272 #define __GENSTRUCT19(tag, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14, arg15, arg16, arg17, arg18, arg19) struct tag { \ 273 arg1; \ 274 arg2; \ 275 arg3; \ 276 arg4; \ 277 arg5; \ 278 arg6; \ 279 arg7; \ 280 arg8; \ 281 arg9; \ 282 arg10; \ 283 arg11; \ 284 arg12; \ 285 arg13; \ 286 arg14; \ 287 arg15; \ 288 arg16; \ 289 arg17; \ 290 arg18; \ 291 arg19; \ 292 } 293 #endif /* _SYS_CPPUTIL_H_ */
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