1 #ifndef _UNISTD_H 2 #define _UNISTD_H 3 4 #ifdef __cplusplus 5 extern "C" { 6 #endif 7 8 #include <features.h> 9 10 #define STDIN_FILENO 0 11 #define STDOUT_FILENO 1 12 #define STDERR_FILENO 2 13 14 #define SEEK_SET 0 15 #define SEEK_CUR 1 16 #define SEEK_END 2 17 #define SEEK_DATA 3 18 #define SEEK_HOLE 4 19 20 #if __cplusplus >= 201103L 21 #define NULL nullptr 22 #elif defined(__cplusplus) 23 #define NULL 0L 24 #else 25 #define NULL ((void*)0) 26 #endif 27 28 #define __NEED_size_t 29 #define __NEED_ssize_t 30 #define __NEED_uid_t 31 #define __NEED_gid_t 32 #define __NEED_off_t 33 #define __NEED_pid_t 34 #define __NEED_intptr_t 35 #define __NEED_useconds_t 36 37 #include <bits/alltypes.h> 38 39 int pipe(int [2]); 40 int pipe2(int [2], int); 41 int close(int); 42 int posix_close(int, int); 43 int dup(int); 44 int dup2(int, int); 45 int dup3(int, int, int); 46 off_t lseek(int, off_t, int); 47 int fsync(int); 48 int fdatasync(int); 49 50 ssize_t read(int, void *, size_t); 51 ssize_t write(int, const void *, size_t); 52 ssize_t pread(int, void *, size_t, off_t); 53 ssize_t pwrite(int, const void *, size_t, off_t); 54 55 int chown(const char *, uid_t, gid_t); 56 int fchown(int, uid_t, gid_t); 57 int lchown(const char *, uid_t, gid_t); 58 int fchownat(int, const char *, uid_t, gid_t, int); 59 60 int link(const char *, const char *); 61 int linkat(int, const char *, int, const char *, int); 62 int symlink(const char *, const char *); 63 int symlinkat(const char *, int, const char *); 64 ssize_t readlink(const char *__restrict, char *__restrict, size_t); 65 ssize_t readlinkat(int, const char *__restrict, char *__restrict, size_t); 66 int unlink(const char *); 67 int unlinkat(int, const char *, int); 68 int rmdir(const char *); 69 int truncate(const char *, off_t); 70 int ftruncate(int, off_t); 71 72 #define F_OK 0 73 #define R_OK 4 74 #define W_OK 2 75 #define X_OK 1 76 77 int access(const char *, int); 78 int faccessat(int, const char *, int, int); 79 80 int chdir(const char *); 81 int fchdir(int); 82 char *getcwd(char *, size_t); 83 84 unsigned alarm(unsigned); 85 unsigned sleep(unsigned); 86 int pause(void); 87 88 pid_t fork(void); 89 pid_t _Fork(void); 90 int execve(const char *, char *const [], char *const []); 91 int execv(const char *, char *const []); 92 int execle(const char *, const char *, ...); 93 int execl(const char *, const char *, ...); 94 int execvp(const char *, char *const []); 95 int execlp(const char *, const char *, ...); 96 int fexecve(int, char *const [], char *const []); 97 _Noreturn void _exit(int); 98 99 pid_t getpid(void); 100 pid_t getppid(void); 101 pid_t getpgrp(void); 102 pid_t getpgid(pid_t); 103 int setpgid(pid_t, pid_t); 104 pid_t setsid(void); 105 pid_t getsid(pid_t); 106 char *ttyname(int); 107 int ttyname_r(int, char *, size_t); 108 int isatty(int); 109 pid_t tcgetpgrp(int); 110 int tcsetpgrp(int, pid_t); 111 112 uid_t getuid(void); 113 uid_t geteuid(void); 114 gid_t getgid(void); 115 gid_t getegid(void); 116 int getgroups(int, gid_t []); 117 int setuid(uid_t); 118 int seteuid(uid_t); 119 int setgid(gid_t); 120 int setegid(gid_t); 121 122 char *getlogin(void); 123 int getlogin_r(char *, size_t); 124 int gethostname(char *, size_t); 125 char *ctermid(char *); 126 127 int getopt(int, char * const [], const char *); 128 extern char *optarg; 129 extern int optind, opterr, optopt; 130 131 long pathconf(const char *, int); 132 long fpathconf(int, int); 133 long sysconf(int); 134 size_t confstr(int, char *, size_t); 135 136 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 137 #define F_ULOCK 0 138 #define F_LOCK 1 139 #define F_TLOCK 2 140 #define F_TEST 3 141 int setreuid(uid_t, uid_t); 142 int setregid(gid_t, gid_t); 143 int lockf(int, int, off_t); 144 long gethostid(void); 145 int nice(int); 146 void sync(void); 147 pid_t setpgrp(void); 148 char *crypt(const char *, const char *); 149 void encrypt(char *, int); 150 void swab(const void *__restrict, void *__restrict, ssize_t); 151 #endif 152 153 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) \ 154 || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700) 155 int usleep(unsigned); 156 unsigned ualarm(unsigned, unsigned); 157 #endif 158 159 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 160 #define L_SET 0 161 #define L_INCR 1 162 #define L_XTND 2 163 int brk(void *); 164 void *sbrk(intptr_t); 165 pid_t vfork(void); 166 int vhangup(void); 167 int chroot(const char *); 168 int getpagesize(void); 169 int getdtablesize(void); 170 int sethostname(const char *, size_t); 171 int getdomainname(char *, size_t); 172 int setdomainname(const char *, size_t); 173 int setgroups(size_t, const gid_t *); 174 char *getpass(const char *); 175 int daemon(int, int); 176 void setusershell(void); 177 void endusershell(void); 178 char *getusershell(void); 179 int acct(const char *); 180 long syscall(long, ...); 181 int execvpe(const char *, char *const [], char *const []); 182 int issetugid(void); 183 int getentropy(void *, size_t); 184 extern int optreset; 185 #endif 186 187 #ifdef _GNU_SOURCE 188 extern char **environ; 189 int setresuid(uid_t, uid_t, uid_t); 190 int setresgid(gid_t, gid_t, gid_t); 191 int getresuid(uid_t *, uid_t *, uid_t *); 192 int getresgid(gid_t *, gid_t *, gid_t *); 193 char *get_current_dir_name(void); 194 int syncfs(int); 195 int euidaccess(const char *, int); 196 int eaccess(const char *, int); 197 ssize_t copy_file_range(int, off_t *, int, off_t *, size_t, unsigned); 198 pid_t gettid(void); 199 #endif 200 201 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE) 202 #define lseek64 lseek 203 #define pread64 pread 204 #define pwrite64 pwrite 205 #define truncate64 truncate 206 #define ftruncate64 ftruncate 207 #define lockf64 lockf 208 #define off64_t off_t 209 #endif 210 211 #define POSIX_CLOSE_RESTART 0 212 213 #define _XOPEN_VERSION 700 214 #define _XOPEN_UNIX 1 215 #define _XOPEN_ENH_I18N 1 216 217 #define _POSIX_VERSION 200809L 218 #define _POSIX2_VERSION _POSIX_VERSION 219 220 #define _POSIX_ADVISORY_INFO _POSIX_VERSION 221 #define _POSIX_CHOWN_RESTRICTED 1 222 #define _POSIX_IPV6 _POSIX_VERSION 223 #define _POSIX_JOB_CONTROL 1 224 #define _POSIX_MAPPED_FILES _POSIX_VERSION 225 #define _POSIX_MEMLOCK _POSIX_VERSION 226 #define _POSIX_MEMLOCK_RANGE _POSIX_VERSION 227 #define _POSIX_MEMORY_PROTECTION _POSIX_VERSION 228 #define _POSIX_MESSAGE_PASSING _POSIX_VERSION 229 #define _POSIX_FSYNC _POSIX_VERSION 230 #define _POSIX_NO_TRUNC 1 231 #define _POSIX_RAW_SOCKETS _POSIX_VERSION 232 #define _POSIX_REALTIME_SIGNALS _POSIX_VERSION 233 #define _POSIX_REGEXP 1 234 #define _POSIX_SAVED_IDS 1 235 #define _POSIX_SHELL 1 236 #define _POSIX_SPAWN _POSIX_VERSION 237 #define _POSIX_VDISABLE 0 238 239 #define _POSIX_THREADS _POSIX_VERSION 240 #define _POSIX_THREAD_PROCESS_SHARED _POSIX_VERSION 241 #define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION 242 #define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION 243 #define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION 244 #define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION 245 #define _POSIX_THREAD_CPUTIME _POSIX_VERSION 246 #define _POSIX_TIMERS _POSIX_VERSION 247 #define _POSIX_TIMEOUTS _POSIX_VERSION 248 #define _POSIX_MONOTONIC_CLOCK _POSIX_VERSION 249 #define _POSIX_CPUTIME _POSIX_VERSION 250 #define _POSIX_CLOCK_SELECTION _POSIX_VERSION 251 #define _POSIX_BARRIERS _POSIX_VERSION 252 #define _POSIX_SPIN_LOCKS _POSIX_VERSION 253 #define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION 254 #define _POSIX_ASYNCHRONOUS_IO _POSIX_VERSION 255 #define _POSIX_SEMAPHORES _POSIX_VERSION 256 #define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_VERSION 257 258 #define _POSIX2_C_BIND _POSIX_VERSION 259 260 #include <bits/posix.h> 261 262 263 264 #define _PC_LINK_MAX 0 265 #define _PC_MAX_CANON 1 266 #define _PC_MAX_INPUT 2 267 #define _PC_NAME_MAX 3 268 #define _PC_PATH_MAX 4 269 #define _PC_PIPE_BUF 5 270 #define _PC_CHOWN_RESTRICTED 6 271 #define _PC_NO_TRUNC 7 272 #define _PC_VDISABLE 8 273 #define _PC_SYNC_IO 9 274 #define _PC_ASYNC_IO 10 275 #define _PC_PRIO_IO 11 276 #define _PC_SOCK_MAXBUF 12 277 #define _PC_FILESIZEBITS 13 278 #define _PC_REC_INCR_XFER_SIZE 14 279 #define _PC_REC_MAX_XFER_SIZE 15 280 #define _PC_REC_MIN_XFER_SIZE 16 281 #define _PC_REC_XFER_ALIGN 17 282 #define _PC_ALLOC_SIZE_MIN 18 283 #define _PC_SYMLINK_MAX 19 284 #define _PC_2_SYMLINKS 20 285 286 #define _SC_ARG_MAX 0 287 #define _SC_CHILD_MAX 1 288 #define _SC_CLK_TCK 2 289 #define _SC_NGROUPS_MAX 3 290 #define _SC_OPEN_MAX 4 291 #define _SC_STREAM_MAX 5 292 #define _SC_TZNAME_MAX 6 293 #define _SC_JOB_CONTROL 7 294 #define _SC_SAVED_IDS 8 295 #define _SC_REALTIME_SIGNALS 9 296 #define _SC_PRIORITY_SCHEDULING 10 297 #define _SC_TIMERS 11 298 #define _SC_ASYNCHRONOUS_IO 12 299 #define _SC_PRIORITIZED_IO 13 300 #define _SC_SYNCHRONIZED_IO 14 301 #define _SC_FSYNC 15 302 #define _SC_MAPPED_FILES 16 303 #define _SC_MEMLOCK 17 304 #define _SC_MEMLOCK_RANGE 18 305 #define _SC_MEMORY_PROTECTION 19 306 #define _SC_MESSAGE_PASSING 20 307 #define _SC_SEMAPHORES 21 308 #define _SC_SHARED_MEMORY_OBJECTS 22 309 #define _SC_AIO_LISTIO_MAX 23 310 #define _SC_AIO_MAX 24 311 #define _SC_AIO_PRIO_DELTA_MAX 25 312 #define _SC_DELAYTIMER_MAX 26 313 #define _SC_MQ_OPEN_MAX 27 314 #define _SC_MQ_PRIO_MAX 28 315 #define _SC_VERSION 29 316 #define _SC_PAGE_SIZE 30 317 #define _SC_PAGESIZE 30 /* !! */ 318 #define _SC_RTSIG_MAX 31 319 #define _SC_SEM_NSEMS_MAX 32 320 #define _SC_SEM_VALUE_MAX 33 321 #define _SC_SIGQUEUE_MAX 34 322 #define _SC_TIMER_MAX 35 323 #define _SC_BC_BASE_MAX 36 324 #define _SC_BC_DIM_MAX 37 325 #define _SC_BC_SCALE_MAX 38 326 #define _SC_BC_STRING_MAX 39 327 #define _SC_COLL_WEIGHTS_MAX 40 328 #define _SC_EXPR_NEST_MAX 42 329 #define _SC_LINE_MAX 43 330 #define _SC_RE_DUP_MAX 44 331 #define _SC_2_VERSION 46 332 #define _SC_2_C_BIND 47 333 #define _SC_2_C_DEV 48 334 #define _SC_2_FORT_DEV 49 335 #define _SC_2_FORT_RUN 50 336 #define _SC_2_SW_DEV 51 337 #define _SC_2_LOCALEDEF 52 338 #define _SC_UIO_MAXIOV 60 /* !! */ 339 #define _SC_IOV_MAX 60 340 #define _SC_THREADS 67 341 #define _SC_THREAD_SAFE_FUNCTIONS 68 342 #define _SC_GETGR_R_SIZE_MAX 69 343 #define _SC_GETPW_R_SIZE_MAX 70 344 #define _SC_LOGIN_NAME_MAX 71 345 #define _SC_TTY_NAME_MAX 72 346 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 73 347 #define _SC_THREAD_KEYS_MAX 74 348 #define _SC_THREAD_STACK_MIN 75 349 #define _SC_THREAD_THREADS_MAX 76 350 #define _SC_THREAD_ATTR_STACKADDR 77 351 #define _SC_THREAD_ATTR_STACKSIZE 78 352 #define _SC_THREAD_PRIORITY_SCHEDULING 79 353 #define _SC_THREAD_PRIO_INHERIT 80 354 #define _SC_THREAD_PRIO_PROTECT 81 355 #define _SC_THREAD_PROCESS_SHARED 82 356 #define _SC_NPROCESSORS_CONF 83 357 #define _SC_NPROCESSORS_ONLN 84 358 #define _SC_PHYS_PAGES 85 359 #define _SC_AVPHYS_PAGES 86 360 #define _SC_ATEXIT_MAX 87 361 #define _SC_PASS_MAX 88 362 #define _SC_XOPEN_VERSION 89 363 #define _SC_XOPEN_XCU_VERSION 90 364 #define _SC_XOPEN_UNIX 91 365 #define _SC_XOPEN_CRYPT 92 366 #define _SC_XOPEN_ENH_I18N 93 367 #define _SC_XOPEN_SHM 94 368 #define _SC_2_CHAR_TERM 95 369 #define _SC_2_UPE 97 370 #define _SC_XOPEN_XPG2 98 371 #define _SC_XOPEN_XPG3 99 372 #define _SC_XOPEN_XPG4 100 373 #define _SC_NZERO 109 374 #define _SC_XBS5_ILP32_OFF32 125 375 #define _SC_XBS5_ILP32_OFFBIG 126 376 #define _SC_XBS5_LP64_OFF64 127 377 #define _SC_XBS5_LPBIG_OFFBIG 128 378 #define _SC_XOPEN_LEGACY 129 379 #define _SC_XOPEN_REALTIME 130 380 #define _SC_XOPEN_REALTIME_THREADS 131 381 #define _SC_ADVISORY_INFO 132 382 #define _SC_BARRIERS 133 383 #define _SC_CLOCK_SELECTION 137 384 #define _SC_CPUTIME 138 385 #define _SC_THREAD_CPUTIME 139 386 #define _SC_MONOTONIC_CLOCK 149 387 #define _SC_READER_WRITER_LOCKS 153 388 #define _SC_SPIN_LOCKS 154 389 #define _SC_REGEXP 155 390 #define _SC_SHELL 157 391 #define _SC_SPAWN 159 392 #define _SC_SPORADIC_SERVER 160 393 #define _SC_THREAD_SPORADIC_SERVER 161 394 #define _SC_TIMEOUTS 164 395 #define _SC_TYPED_MEMORY_OBJECTS 165 396 #define _SC_2_PBS 168 397 #define _SC_2_PBS_ACCOUNTING 169 398 #define _SC_2_PBS_LOCATE 170 399 #define _SC_2_PBS_MESSAGE 171 400 #define _SC_2_PBS_TRACK 172 401 #define _SC_SYMLOOP_MAX 173 402 #define _SC_STREAMS 174 403 #define _SC_2_PBS_CHECKPOINT 175 404 #define _SC_V6_ILP32_OFF32 176 405 #define _SC_V6_ILP32_OFFBIG 177 406 #define _SC_V6_LP64_OFF64 178 407 #define _SC_V6_LPBIG_OFFBIG 179 408 #define _SC_HOST_NAME_MAX 180 409 #define _SC_TRACE 181 410 #define _SC_TRACE_EVENT_FILTER 182 411 #define _SC_TRACE_INHERIT 183 412 #define _SC_TRACE_LOG 184 413 414 #define _SC_IPV6 235 415 #define _SC_RAW_SOCKETS 236 416 #define _SC_V7_ILP32_OFF32 237 417 #define _SC_V7_ILP32_OFFBIG 238 418 #define _SC_V7_LP64_OFF64 239 419 #define _SC_V7_LPBIG_OFFBIG 240 420 #define _SC_SS_REPL_MAX 241 421 #define _SC_TRACE_EVENT_NAME_MAX 242 422 #define _SC_TRACE_NAME_MAX 243 423 #define _SC_TRACE_SYS_MAX 244 424 #define _SC_TRACE_USER_EVENT_MAX 245 425 #define _SC_XOPEN_STREAMS 246 426 #define _SC_THREAD_ROBUST_PRIO_INHERIT 247 427 #define _SC_THREAD_ROBUST_PRIO_PROTECT 248 428 #define _SC_MINSIGSTKSZ 249 429 #define _SC_SIGSTKSZ 250 430 431 #define _CS_PATH 0 432 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 1 433 #define _CS_GNU_LIBC_VERSION 2 434 #define _CS_GNU_LIBPTHREAD_VERSION 3 435 #define _CS_POSIX_V5_WIDTH_RESTRICTED_ENVS 4 436 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 5 437 438 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 1116 439 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 1117 440 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 1118 441 #define _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS 1119 442 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 1120 443 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 1121 444 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 1122 445 #define _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS 1123 446 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 1124 447 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 1125 448 #define _CS_POSIX_V6_LP64_OFF64_LIBS 1126 449 #define _CS_POSIX_V6_LP64_OFF64_LINTFLAGS 1127 450 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 1128 451 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 1129 452 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 1130 453 #define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS 1131 454 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 1132 455 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 1133 456 #define _CS_POSIX_V7_ILP32_OFF32_LIBS 1134 457 #define _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS 1135 458 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 1136 459 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 1137 460 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 1138 461 #define _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS 1139 462 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS 1140 463 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 1141 464 #define _CS_POSIX_V7_LP64_OFF64_LIBS 1142 465 #define _CS_POSIX_V7_LP64_OFF64_LINTFLAGS 1143 466 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 1144 467 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 1145 468 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 1146 469 #define _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS 1147 470 #define _CS_V6_ENV 1148 471 #define _CS_V7_ENV 1149 472 #define _CS_POSIX_V7_THREADS_CFLAGS 1150 473 #define _CS_POSIX_V7_THREADS_LDFLAGS 1151 474 475 #ifdef __cplusplus 476 } 477 #endif 478 479 #endif 480