1 /* 2 * Written by Joel Sherrill <joel@OARcorp.com>. 3 * 4 * COPYRIGHT (c) 1989-2014. 5 * 6 * On-Line Applications Research Corporation (OAR). 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose without fee is hereby granted, provided that this entire notice 10 * is included in all copies of any software which is or includes a copy 11 * or modification of this software. 12 * 13 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED 14 * WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION 15 * OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS 16 * SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. 17 * 18 * $Id$ 19 */ 20 21 #ifndef _SYS_FEATURES_H 22 #define _SYS_FEATURES_H 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 #include <picolibc.h> 29 30 /* Macro to test version of GCC. Returns 0 for non-GCC or too old GCC. */ 31 #ifndef __GNUC_PREREQ 32 # if defined __GNUC__ && defined __GNUC_MINOR__ 33 # define __GNUC_PREREQ(maj, min) \ 34 ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) 35 # else 36 # define __GNUC_PREREQ(maj, min) 0 37 # endif 38 #endif /* __GNUC_PREREQ */ 39 /* Version with trailing underscores for BSD compatibility. */ 40 #define __GNUC_PREREQ__(ma, mi) __GNUC_PREREQ(ma, mi) 41 42 /* 43 * Feature test macros control which symbols are exposed by the system 44 * headers. Any of these must be defined before including any headers. 45 * 46 * __STRICT_ANSI__ (defined by gcc -ansi, -std=c90, -std=c99, or -std=c11) 47 * ISO C 48 * 49 * _POSIX_SOURCE (deprecated by _POSIX_C_SOURCE=1) 50 * _POSIX_C_SOURCE >= 1 51 * POSIX.1-1990 52 * 53 * _POSIX_C_SOURCE >= 2 54 * POSIX.2-1992 55 * 56 * _POSIX_C_SOURCE >= 199309L 57 * POSIX.1b-1993 Real-time extensions 58 * 59 * _POSIX_C_SOURCE >= 199506L 60 * POSIX.1c-1995 Threads extensions 61 * 62 * _POSIX_C_SOURCE >= 200112L 63 * POSIX.1-2001 and C99 64 * 65 * _POSIX_C_SOURCE >= 200809L 66 * POSIX.1-2008 67 * 68 * _XOPEN_SOURCE 69 * POSIX.1-1990 and XPG4 70 * 71 * _XOPEN_SOURCE_EXTENDED 72 * SUSv1 (POSIX.2-1992 plus XPG4v2) 73 * 74 * _XOPEN_SOURCE >= 500 75 * SUSv2 (POSIX.1c-1995 plus XSI) 76 * 77 * _XOPEN_SOURCE >= 600 78 * SUSv3 (POSIX.1-2001 plus XSI) and C99 79 * 80 * _XOPEN_SOURCE >= 700 81 * SUSv4 (POSIX.1-2008 plus XSI) 82 * 83 * _ISOC99_SOURCE or gcc -std=c99 or g++ 84 * ISO C99 85 * 86 * _ISOC11_SOURCE or gcc -std=c11 or g++ -std=c++11 87 * ISO C11 88 * 89 * _ATFILE_SOURCE (implied by _POSIX_C_SOURCE >= 200809L) 90 * "at" functions 91 * 92 * _LARGEFILE_SOURCE (deprecated by _XOPEN_SOURCE >= 500) 93 * fseeko, ftello 94 * 95 * _GNU_SOURCE 96 * All of the above plus GNU extensions 97 * 98 * _BSD_SOURCE (deprecated by _DEFAULT_SOURCE) 99 * _SVID_SOURCE (deprecated by _DEFAULT_SOURCE) 100 * _DEFAULT_SOURCE (or none of the above) 101 * POSIX-1.2008 with BSD and SVr4 extensions 102 * 103 * _FORTIFY_SOURCE = 1 or 2 104 * Object Size Checking function wrappers 105 * 106 * _ZEPHYR_SOURCE 107 * Zephyr. ISO C + a small selection of other APIs. 108 */ 109 110 #ifdef _GNU_SOURCE 111 #undef _ATFILE_SOURCE 112 #define _ATFILE_SOURCE 1 113 #undef _DEFAULT_SOURCE 114 #define _DEFAULT_SOURCE 1 115 #undef _ISOC99_SOURCE 116 #define _ISOC99_SOURCE 1 117 #undef _ISOC11_SOURCE 118 #define _ISOC11_SOURCE 1 119 #undef _POSIX_SOURCE 120 #define _POSIX_SOURCE 1 121 #undef _POSIX_C_SOURCE 122 #define _POSIX_C_SOURCE 200809L 123 #undef _XOPEN_SOURCE 124 #define _XOPEN_SOURCE 700 125 #undef _XOPEN_SOURCE_EXTENDED 126 #define _XOPEN_SOURCE_EXTENDED 1 127 #endif /* _GNU_SOURCE */ 128 129 /* When building for Zephyr, set _ZEPHYR_SOURCE unless some other API 130 * indicator is set by the application. Don't check __STRICT_ANSI__ as that 131 * is set by the compiler for -std=cxx, or _POSIX_C_SOURCE as Zephyr defines 132 * that for picolibc currently. 133 */ 134 135 #if defined(__ZEPHYR__) && !defined(_ZEPHYR_SOURCE) && \ 136 !defined(_GNU_SOURCE)&& \ 137 !defined(_BSD_SOURCE) && \ 138 !defined(_SVID_SOURCE) && \ 139 !defined(_DEFAULT_SOURCE) 140 #define _ZEPHYR_SOURCE 1 141 #endif 142 143 #if defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \ 144 (!defined(__STRICT_ANSI__) && !defined(_ANSI_SOURCE) && \ 145 !defined(_ISOC99_SOURCE) && !defined(_POSIX_SOURCE) && \ 146 !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) && \ 147 !defined(_ZEPHYR_SOURCE)) 148 #undef _DEFAULT_SOURCE 149 #define _DEFAULT_SOURCE 1 150 #endif 151 152 #if defined(_DEFAULT_SOURCE) 153 #undef _POSIX_SOURCE 154 #define _POSIX_SOURCE 1 155 #undef _POSIX_C_SOURCE 156 #define _POSIX_C_SOURCE 200809L 157 #endif 158 159 #if !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 160 ((!defined(__STRICT_ANSI__) && !defined(_ANSI_SOURCE)) || \ 161 (_XOPEN_SOURCE - 0) >= 500) 162 #define _POSIX_SOURCE 1 163 #if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 700 164 #define _POSIX_C_SOURCE 200809L 165 #elif (_XOPEN_SOURCE - 0) >= 600 166 #define _POSIX_C_SOURCE 200112L 167 #elif (_XOPEN_SOURCE - 0) >= 500 168 #define _POSIX_C_SOURCE 199506L 169 #elif (_XOPEN_SOURCE - 0) < 500 170 #define _POSIX_C_SOURCE 2 171 #endif 172 #endif 173 174 #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200809 175 #undef _ATFILE_SOURCE 176 #define _ATFILE_SOURCE 1 177 #endif 178 179 #ifdef _ZEPHYR_SOURCE 180 #undef _ISOC99_SOURCE 181 #define _ISOC99_SOURCE 1 182 #undef _ISOC11_SOURCE 183 #define _ISOC11_SOURCE 1 184 #undef _ANSI_SOURCE 185 #define _ANSI_SOURCE 1 186 #endif 187 188 /* 189 * The following private macros are used throughout the headers to control 190 * which symbols should be exposed. They are for internal use only, as 191 * indicated by the leading double underscore, and must never be used outside 192 * of these headers. 193 * 194 * __POSIX_VISIBLE 195 * any version of POSIX.1; enabled by default, or with _POSIX_SOURCE, 196 * any value of _POSIX_C_SOURCE, or _XOPEN_SOURCE >= 500. 197 * 198 * __POSIX_VISIBLE >= 2 199 * POSIX.2-1992; enabled by default, with _POSIX_C_SOURCE >= 2, 200 * or _XOPEN_SOURCE >= 500. 201 * 202 * __POSIX_VISIBLE >= 199309 203 * POSIX.1b-1993; enabled by default, with _POSIX_C_SOURCE >= 199309L, 204 * or _XOPEN_SOURCE >= 500. 205 * 206 * __POSIX_VISIBLE >= 199506 207 * POSIX.1c-1995; enabled by default, with _POSIX_C_SOURCE >= 199506L, 208 * or _XOPEN_SOURCE >= 500. 209 * 210 * __POSIX_VISIBLE >= 200112 211 * POSIX.1-2001; enabled by default, with _POSIX_C_SOURCE >= 200112L, 212 * or _XOPEN_SOURCE >= 600. 213 * 214 * __POSIX_VISIBLE >= 200809 215 * POSIX.1-2008; enabled by default, with _POSIX_C_SOURCE >= 200809L, 216 * or _XOPEN_SOURCE >= 700. 217 * 218 * __XSI_VISIBLE 219 * XPG4 XSI extensions; enabled with any version of _XOPEN_SOURCE. 220 * 221 * __XSI_VISIBLE >= 4 222 * SUSv1 XSI extensions; enabled with both _XOPEN_SOURCE and 223 * _XOPEN_SOURCE_EXTENDED together. 224 * 225 * __XSI_VISIBLE >= 500 226 * SUSv2 XSI extensions; enabled with _XOPEN_SOURCE >= 500. 227 * 228 * __XSI_VISIBLE >= 600 229 * SUSv3 XSI extensions; enabled with _XOPEN_SOURCE >= 600. 230 * 231 * __XSI_VISIBLE >= 700 232 * SUSv4 XSI extensions; enabled with _XOPEN_SOURCE >= 700. 233 * 234 * __ISO_C_VISIBLE >= 1999 235 * ISO C99; enabled with gcc -std=c99 or newer (on by default since GCC 5), 236 * any version of C++, or with _ISOC99_SOURCE, _POSIX_C_SOURCE >= 200112L, 237 * or _XOPEN_SOURCE >= 600. 238 * 239 * __ISO_C_VISIBLE >= 2011 240 * ISO C11; enabled with gcc -std=c11 or newer (on by default since GCC 5), 241 * g++ -std=c++11 or newer (on by default since GCC 6), or with 242 * _ISOC11_SOURCE. 243 * 244 * __ATFILE_VISIBLE 245 * "at" functions; enabled by default, with _ATFILE_SOURCE, 246 * _POSIX_C_SOURCE >= 200809L, or _XOPEN_SOURCE >= 700. 247 * 248 * __LARGEFILE_VISIBLE 249 * fseeko, ftello; enabled with _LARGEFILE_SOURCE or _XOPEN_SOURCE >= 500. 250 * 251 * __BSD_VISIBLE 252 * BSD extensions; enabled by default, or with _BSD_SOURCE. 253 * 254 * __SVID_VISIBLE 255 * SVr4 extensions; enabled by default, or with _SVID_SOURCE. 256 * 257 * __MISC_VISIBLE 258 * Extensions found in both BSD and SVr4 (shorthand for 259 * (__BSD_VISIBLE || __SVID_VISIBLE)), or newlib-specific 260 * extensions; enabled by default. 261 * 262 * __GNU_VISIBLE 263 * GNU extensions; enabled with _GNU_SOURCE. 264 * 265 * __SSP_FORTIFY_LEVEL 266 * Object Size Checking; defined to 0 (off), 1, or 2. 267 * 268 * __ZEPHYR_VISIBLE 269 * Zephyr extensions; enabled with _ZEPHYR_SOURCE. 270 * 271 * In all cases above, "enabled by default" means either by defining 272 * _DEFAULT_SOURCE, or by not defining any of the public feature test macros. 273 */ 274 275 #ifdef _ATFILE_SOURCE 276 #define __ATFILE_VISIBLE 1 277 #else 278 #define __ATFILE_VISIBLE 0 279 #endif 280 281 #ifdef _DEFAULT_SOURCE 282 #define __BSD_VISIBLE 1 283 #else 284 #define __BSD_VISIBLE 0 285 #endif 286 287 #ifdef _GNU_SOURCE 288 #define __GNU_VISIBLE 1 289 #else 290 #define __GNU_VISIBLE 0 291 #endif 292 293 #ifdef _ZEPHYR_SOURCE 294 #define __ZEPHYR_VISIBLE 1 295 #else 296 #define __ZEPHYR_VISIBLE 0 297 #endif 298 299 #if defined(_ISOC11_SOURCE) || \ 300 (__STDC_VERSION__ - 0) >= 201112L || (__cplusplus - 0) >= 201103L 301 #define __ISO_C_VISIBLE 2011 302 #elif defined(_ISOC99_SOURCE) || (_POSIX_C_SOURCE - 0) >= 200112L || \ 303 (__STDC_VERSION__ - 0) >= 199901L || defined(__cplusplus) 304 #define __ISO_C_VISIBLE 1999 305 #else 306 #define __ISO_C_VISIBLE 1990 307 #endif 308 309 #if defined(_LARGEFILE_SOURCE) || (_XOPEN_SOURCE - 0) >= 500 310 #define __LARGEFILE_VISIBLE 1 311 #else 312 #define __LARGEFILE_VISIBLE 0 313 #endif 314 315 #ifdef _DEFAULT_SOURCE 316 #define __MISC_VISIBLE 1 317 #else 318 #define __MISC_VISIBLE 0 319 #endif 320 321 #if (_POSIX_C_SOURCE - 0) >= 200809L 322 #define __POSIX_VISIBLE 200809 323 #elif (_POSIX_C_SOURCE - 0) >= 200112L 324 #define __POSIX_VISIBLE 200112 325 #elif (_POSIX_C_SOURCE - 0) >= 199506L 326 #define __POSIX_VISIBLE 199506 327 #elif (_POSIX_C_SOURCE - 0) >= 199309L 328 #define __POSIX_VISIBLE 199309 329 #elif (_POSIX_C_SOURCE - 0) >= 2 || defined(_XOPEN_SOURCE) 330 #define __POSIX_VISIBLE 199209 331 #elif defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) 332 #define __POSIX_VISIBLE 199009 333 #else 334 #define __POSIX_VISIBLE 0 335 #endif 336 337 #ifdef _DEFAULT_SOURCE 338 #define __SVID_VISIBLE 1 339 #else 340 #define __SVID_VISIBLE 0 341 #endif 342 343 #if (_XOPEN_SOURCE - 0) >= 700 344 #define __XSI_VISIBLE 700 345 #elif (_XOPEN_SOURCE - 0) >= 600 346 #define __XSI_VISIBLE 600 347 #elif (_XOPEN_SOURCE - 0) >= 500 348 #define __XSI_VISIBLE 500 349 #elif defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED) 350 #define __XSI_VISIBLE 4 351 #elif defined(_XOPEN_SOURCE) 352 #define __XSI_VISIBLE 1 353 #else 354 #define __XSI_VISIBLE 0 355 #endif 356 357 #if _FORTIFY_SOURCE > 0 && !defined(__cplusplus) && !defined(__lint__) && \ 358 (__OPTIMIZE__ > 0 || defined(__clang__)) && __GNUC_PREREQ__(4, 1) && \ 359 !defined(_LIBC) 360 # if _FORTIFY_SOURCE > 1 361 # define __SSP_FORTIFY_LEVEL 2 362 # else 363 # define __SSP_FORTIFY_LEVEL 1 364 # endif 365 #else 366 # define __SSP_FORTIFY_LEVEL 0 367 #endif 368 369 /* RTEMS adheres to POSIX -- 1003.1b with some features from annexes. */ 370 371 #ifdef __rtems__ 372 #define _POSIX_JOB_CONTROL 1 373 #define _POSIX_SAVED_IDS 1 374 #define _POSIX_VERSION 199309L 375 #define _POSIX_ASYNCHRONOUS_IO 1 376 #define _POSIX_FSYNC 1 377 #define _POSIX_MAPPED_FILES 1 378 #define _POSIX_MEMLOCK 1 379 #define _POSIX_MEMLOCK_RANGE 1 380 #define _POSIX_MEMORY_PROTECTION 1 381 #define _POSIX_MESSAGE_PASSING 1 382 #define _POSIX_MONOTONIC_CLOCK 200112L 383 #define _POSIX_CLOCK_SELECTION 200112L 384 #define _POSIX_PRIORITIZED_IO 1 385 #define _POSIX_PRIORITY_SCHEDULING 1 386 #define _POSIX_REALTIME_SIGNALS 1 387 #define _POSIX_SEMAPHORES 1 388 #define _POSIX_SHARED_MEMORY_OBJECTS 1 389 #define _POSIX_SYNCHRONIZED_IO 1 390 #define _POSIX_TIMERS 1 391 #define _POSIX_BARRIERS 200112L 392 #define _POSIX_READER_WRITER_LOCKS 200112L 393 #define _POSIX_SPIN_LOCKS 200112L 394 395 396 /* In P1003.1b but defined by drafts at least as early as P1003.1c/D10 */ 397 #define _POSIX_THREADS 1 398 #define _POSIX_THREAD_ATTR_STACKADDR 1 399 #define _POSIX_THREAD_ATTR_STACKSIZE 1 400 #define _POSIX_THREAD_PRIORITY_SCHEDULING 1 401 #define _POSIX_THREAD_PRIO_INHERIT 1 402 #define _POSIX_THREAD_PRIO_PROTECT 1 403 #define _POSIX_THREAD_PROCESS_SHARED 1 404 #define _POSIX_THREAD_SAFE_FUNCTIONS 1 405 406 /* P1003.4b/D8 defines the constants below this comment. */ 407 #define _POSIX_SPAWN 1 408 #define _POSIX_TIMEOUTS 1 409 #define _POSIX_CPUTIME 1 410 #define _POSIX_THREAD_CPUTIME 1 411 #define _POSIX_SPORADIC_SERVER 1 412 #define _POSIX_THREAD_SPORADIC_SERVER 1 413 #define _POSIX_DEVICE_CONTROL 1 414 #define _POSIX_DEVCTL_DIRECTION 1 415 #define _POSIX_INTERRUPT_CONTROL 1 416 #define _POSIX_ADVISORY_INFO 1 417 418 /* UNIX98 added some new pthread mutex attributes */ 419 #define _UNIX98_THREAD_MUTEX_ATTRIBUTES 1 420 421 /* POSIX 1003.26-2003 defined device control method */ 422 #define _POSIX_26_VERSION 200312L 423 424 #endif 425 426 /* XMK loosely adheres to POSIX -- 1003.1 */ 427 #ifdef __XMK__ 428 #define _POSIX_THREADS 1 429 #define _POSIX_THREAD_PRIORITY_SCHEDULING 1 430 #endif 431 432 433 #ifdef __svr4__ 434 # define _POSIX_JOB_CONTROL 1 435 # define _POSIX_SAVED_IDS 1 436 # define _POSIX_VERSION 199009L 437 #endif 438 439 #ifdef __CYGWIN__ 440 441 #if __POSIX_VISIBLE >= 200809 442 #define _POSIX_VERSION 200809L 443 #define _POSIX2_VERSION 200809L 444 #elif __POSIX_VISIBLE >= 200112 445 #define _POSIX_VERSION 200112L 446 #define _POSIX2_VERSION 200112L 447 #elif __POSIX_VISIBLE >= 199506 448 #define _POSIX_VERSION 199506L 449 #define _POSIX2_VERSION 199506L 450 #elif __POSIX_VISIBLE >= 199309 451 #define _POSIX_VERSION 199309L 452 #define _POSIX2_VERSION 199209L 453 #elif __POSIX_VISIBLE >= 199209 454 #define _POSIX_VERSION 199009L 455 #define _POSIX2_VERSION 199209L 456 #elif __POSIX_VISIBLE 457 #define _POSIX_VERSION 199009L 458 #endif 459 #if __XSI_VISIBLE >= 4 460 #define _XOPEN_VERSION __XSI_VISIBLE 461 #endif 462 463 #define _POSIX_ADVISORY_INFO 200809L 464 #define _POSIX_ASYNCHRONOUS_IO 200809L 465 #define _POSIX_BARRIERS 200809L 466 #define _POSIX_CHOWN_RESTRICTED 1 467 #define _POSIX_CLOCK_SELECTION 200809L 468 #define _POSIX_CPUTIME 200809L 469 #define _POSIX_FSYNC 200809L 470 #define _POSIX_IPV6 200809L 471 #define _POSIX_JOB_CONTROL 1 472 #define _POSIX_MAPPED_FILES 200809L 473 /* #define _POSIX_MEMLOCK -1 */ 474 #define _POSIX_MEMLOCK_RANGE 200809L 475 #define _POSIX_MEMORY_PROTECTION 200809L 476 #define _POSIX_MESSAGE_PASSING 200809L 477 #define _POSIX_MONOTONIC_CLOCK 200809L 478 #define _POSIX_NO_TRUNC 1 479 /* #define _POSIX_PRIORITIZED_IO -1 */ 480 #define _POSIX_PRIORITY_SCHEDULING 200809L 481 #define _POSIX_RAW_SOCKETS 200809L 482 #define _POSIX_READER_WRITER_LOCKS 200809L 483 #define _POSIX_REALTIME_SIGNALS 200809L 484 #define _POSIX_REGEXP 1 485 #define _POSIX_SAVED_IDS 1 486 #define _POSIX_SEMAPHORES 200809L 487 #define _POSIX_SHARED_MEMORY_OBJECTS 200809L 488 #define _POSIX_SHELL 1 489 #define _POSIX_SPAWN 200809L 490 #define _POSIX_SPIN_LOCKS 200809L 491 /* #define _POSIX_SPORADIC_SERVER -1 */ 492 #define _POSIX_SYNCHRONIZED_IO 200809L 493 #define _POSIX_THREAD_ATTR_STACKADDR 200809L 494 #define _POSIX_THREAD_ATTR_STACKSIZE 200809L 495 #define _POSIX_THREAD_CPUTIME 200809L 496 /* #define _POSIX_THREAD_PRIO_INHERIT -1 */ 497 /* #define _POSIX_THREAD_PRIO_PROTECT -1 */ 498 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200809L 499 #define _POSIX_THREAD_PROCESS_SHARED 200809L 500 #define _POSIX_THREAD_SAFE_FUNCTIONS 200809L 501 /* #define _POSIX_THREAD_SPORADIC_SERVER -1 */ 502 #define _POSIX_THREADS 200809L 503 #define _POSIX_TIMEOUTS 200809L 504 #define _POSIX_TIMERS 200809L 505 /* #define _POSIX_TRACE -1 */ 506 /* #define _POSIX_TRACE_EVENT_FILTER -1 */ 507 /* #define _POSIX_TRACE_INHERIT -1 */ 508 /* #define _POSIX_TRACE_LOG -1 */ 509 /* #define _POSIX_TYPED_MEMORY_OBJECTS -1 */ 510 #define _POSIX_VDISABLE '\0' 511 512 #if __POSIX_VISIBLE >= 2 513 #define _POSIX2_C_VERSION _POSIX2_VERSION 514 #define _POSIX2_C_BIND _POSIX2_VERSION 515 #define _POSIX2_C_DEV _POSIX2_VERSION 516 #define _POSIX2_CHAR_TERM _POSIX2_VERSION 517 /* #define _POSIX2_FORT_DEV -1 */ 518 /* #define _POSIX2_FORT_RUN -1 */ 519 /* #define _POSIX2_LOCALEDEF -1 */ 520 /* #define _POSIX2_PBS -1 */ 521 /* #define _POSIX2_PBS_ACCOUNTING -1 */ 522 /* #define _POSIX2_PBS_CHECKPOINT -1 */ 523 /* #define _POSIX2_PBS_LOCATE -1 */ 524 /* #define _POSIX2_PBS_MESSAGE -1 */ 525 /* #define _POSIX2_PBS_TRACK -1 */ 526 #define _POSIX2_SW_DEV _POSIX2_VERSION 527 #define _POSIX2_UPE _POSIX2_VERSION 528 #endif /* __POSIX_VISIBLE >= 2 */ 529 530 #define _POSIX_V6_ILP32_OFF32 -1 531 #ifdef __LP64__ 532 #define _POSIX_V6_ILP32_OFFBIG -1 533 #define _POSIX_V6_LP64_OFF64 1 534 #define _POSIX_V6_LPBIG_OFFBIG 1 535 #else 536 #define _POSIX_V6_ILP32_OFFBIG 1 537 #define _POSIX_V6_LP64_OFF64 -1 538 #define _POSIX_V6_LPBIG_OFFBIG -1 539 #endif 540 #define _POSIX_V7_ILP32_OFF32 _POSIX_V6_ILP32_OFF32 541 #define _POSIX_V7_ILP32_OFFBIG _POSIX_V6_ILP32_OFFBIG 542 #define _POSIX_V7_LP64_OFF64 _POSIX_V6_LP64_OFF64 543 #define _POSIX_V7_LPBIG_OFFBIG _POSIX_V6_LPBIG_OFFBIG 544 #define _XBS5_ILP32_OFF32 _POSIX_V6_ILP32_OFF32 545 #define _XBS5_ILP32_OFFBIG _POSIX_V6_ILP32_OFFBIG 546 #define _XBS5_LP64_OFF64 _POSIX_V6_LP64_OFF64 547 #define _XBS5_LPBIG_OFFBIG _POSIX_V6_LPBIG_OFFBIG 548 549 #if __XSI_VISIBLE 550 #define _XOPEN_CRYPT 1 551 #define _XOPEN_ENH_I18N 1 552 /* #define _XOPEN_LEGACY -1 */ 553 /* #define _XOPEN_REALTIME -1 */ 554 /* #define _XOPEN_REALTIME_THREADS -1 */ 555 #define _XOPEN_SHM 1 556 /* #define _XOPEN_STREAMS -1 */ 557 /* #define _XOPEN_UNIX -1 */ 558 #endif /* __XSI_VISIBLE */ 559 560 /* 561 * newlib's wide char conversion functions were updated on 562 * 2019-01-12 563 * to UNICODE version: 564 * 11.0.0 released 2018-06-05 565 */ 566 #define __STDC_ISO_10646__ 201806L 567 568 #endif /* __CYGWIN__ */ 569 570 #ifdef __cplusplus 571 } 572 #endif 573 #endif /* _SYS_FEATURES_H */ 574
