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 18 #ifdef __cplusplus 19 #define NULL 0L 20 #else 21 #define NULL ((void*)0) 22 #endif 23 24 #define __NEED_size_t 25 #define __NEED_ssize_t 26 #define __NEED_uid_t 27 #define __NEED_gid_t 28 #define __NEED_off_t 29 #define __NEED_pid_t 30 #define __NEED_intptr_t 31 #define __NEED_useconds_t 32 33 #include <bits/alltypes.h> 34 35 int pipe(int [2]); 36 int pipe2(int [2], int); 37 int close(int); 38 int dup(int); 39 int dup2(int, int); 40 int dup3(int, int, int); 41 off_t lseek(int, off_t, int); 42 int fsync(int); 43 int fdatasync(int); 44 45 ssize_t read(int, void *, size_t); 46 ssize_t write(int, const void *, size_t); 47 ssize_t pread(int, void *, size_t, off_t); 48 ssize_t pwrite(int, const void *, size_t, off_t); 49 50 int chown(const char *, uid_t, gid_t); 51 int fchown(int, uid_t, gid_t); 52 int lchown(const char *, uid_t, gid_t); 53 int fchownat(int, const char *, uid_t, gid_t, int); 54 55 int link(const char *, const char *); 56 int linkat(int, const char *, int, const char *, int); 57 int symlink(const char *, const char *); 58 int symlinkat(const char *, int, const char *); 59 ssize_t readlink(const char *__restrict, char *__restrict, size_t); 60 ssize_t readlinkat(int, const char *__restrict, char *__restrict, size_t); 61 int unlink(const char *); 62 int unlinkat(int, const char *, int); 63 int rmdir(const char *); 64 int truncate(const char *, off_t); 65 int ftruncate(int, off_t); 66 67 #define F_OK 0 68 #define R_OK 4 69 #define W_OK 2 70 #define X_OK 1 71 72 int access(const char *, int); 73 int faccessat(int, const char *, int, int); 74 75 int chdir(const char *); 76 int fchdir(int); 77 char *getcwd(char *, size_t); 78 79 unsigned alarm(unsigned); 80 unsigned sleep(unsigned); 81 int pause(void); 82 83 pid_t fork(void); 84 int execve(const char *, char *const [], char *const []); 85 int execv(const char *, char *const []); 86 int execle(const char *, const char *, ...); 87 int execl(const char *, const char *, ...); 88 int execvp(const char *, char *const []); 89 int execlp(const char *, const char *, ...); 90 int fexecve(int, char *const [], char *const []); 91 _Noreturn void _exit(int); 92 93 pid_t getpid(void); 94 pid_t getppid(void); 95 pid_t getpgrp(void); 96 pid_t getpgid(pid_t); 97 int setpgid(pid_t, pid_t); 98 pid_t setsid(void); 99 pid_t getsid(pid_t); 100 char *ttyname(int); 101 int ttyname_r(int, char *, size_t); 102 int isatty(int); 103 pid_t tcgetpgrp(int); 104 int tcsetpgrp(int, pid_t); 105 106 uid_t getuid(void); 107 uid_t geteuid(void); 108 gid_t getgid(void); 109 gid_t getegid(void); 110 int getgroups(int, gid_t []); 111 int setuid(uid_t); 112 int seteuid(uid_t); 113 int setgid(gid_t); 114 int setegid(gid_t); 115 116 char *getlogin(void); 117 int getlogin_r(char *, size_t); 118 int gethostname(char *, size_t); 119 char *ctermid(char *); 120 121 int getopt(int, char * const [], const char *); 122 extern char *optarg; 123 extern int optind, opterr, optopt; 124 125 long pathconf(const char *, int); 126 long fpathconf(int, int); 127 long sysconf(int); 128 size_t confstr(int, char *, size_t); 129 130 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 131 #define F_ULOCK 0 132 #define F_LOCK 1 133 #define F_TLOCK 2 134 #define F_TEST 3 135 int setreuid(uid_t, uid_t); 136 int setregid(gid_t, gid_t); 137 int lockf(int, int, off_t); 138 int nice(int); 139 void sync(void); 140 pid_t setpgrp(void); 141 142 /** 143 * @brief Encrypts a password using the DES algorithm 144 * 145 * The `crypt` function encrypts the given password string using the DES algorithm 146 * and returns the encrypted string. It is commonly used for storing and verifying user passwords 147 * 148 * @param (const char *) The password string to be encrypted. 149 * @param (const char *) The salt value string used to increase the randomness of encryption 150 * 151 * @return Return the encrypted string or NULL in case of an error. 152 * @since 12 153 */ 154 char *crypt(const char *, const char *); 155 void swab(const void *__restrict, void *__restrict, ssize_t); 156 #endif 157 158 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) \ 159 || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700) 160 int usleep(unsigned); 161 #endif 162 163 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 164 #define L_SET 0 165 #define L_INCR 1 166 #define L_XTND 2 167 int brk(void *); 168 void *sbrk(intptr_t); 169 pid_t vfork(void); 170 int chroot(const char *); 171 int getpagesize(void); 172 int getdtablesize(void); 173 int sethostname(const char *, size_t); 174 int getdomainname(char *, size_t); 175 int setdomainname(const char *, size_t); 176 int setgroups(size_t, const gid_t *); 177 int daemon(int, int); 178 int acct(const char *); 179 long syscall(long, ...); 180 int execvpe(const char *, char *const [], char *const []); 181 int issetugid(void); 182 int getentropy(void *, size_t); 183 extern int optreset; 184 #endif 185 186 #ifdef _GNU_SOURCE 187 extern char **environ; 188 int setresuid(uid_t, uid_t, uid_t); 189 int setresgid(gid_t, gid_t, gid_t); 190 int getresuid(uid_t *, uid_t *, uid_t *); 191 int getresgid(gid_t *, gid_t *, gid_t *); 192 int syncfs(int); 193 194 /** 195 * @brief Check permissions and existence of the file identified by pathname. 196 * 197 * @param (const char *) Path to the file. 198 * @param (int) The access permissions to be tested. 199 * 200 * @return On success, zero is returned. On error, -1 is returned 201 * 202 * @since 12 203 */ 204 int eaccess(const char *, int); 205 ssize_t copy_file_range(int, off_t *, int, off_t *, size_t, unsigned); 206 pid_t gettid(void); 207 #endif 208 209 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE) 210 #define lseek64 lseek 211 #define pread64 pread 212 #define pwrite64 pwrite 213 #define truncate64 truncate 214 #define ftruncate64 ftruncate 215 #define lockf64 lockf 216 #define off64_t off_t 217 #endif 218 219 #define POSIX_CLOSE_RESTART 0 220 221 #define _XOPEN_VERSION 700 222 #define _XOPEN_UNIX 1 223 #define _XOPEN_ENH_I18N 1 224 225 #define _POSIX_VERSION 200809L 226 #define _POSIX2_VERSION _POSIX_VERSION 227 228 #define _POSIX_ADVISORY_INFO _POSIX_VERSION 229 #define _POSIX_CHOWN_RESTRICTED 1 230 #define _POSIX_IPV6 _POSIX_VERSION 231 #define _POSIX_JOB_CONTROL 1 232 #define _POSIX_MAPPED_FILES _POSIX_VERSION 233 #define _POSIX_MEMLOCK _POSIX_VERSION 234 #define _POSIX_MEMLOCK_RANGE _POSIX_VERSION 235 #define _POSIX_MEMORY_PROTECTION _POSIX_VERSION 236 #define _POSIX_MESSAGE_PASSING _POSIX_VERSION 237 #define _POSIX_FSYNC _POSIX_VERSION 238 #define _POSIX_NO_TRUNC 1 239 #define _POSIX_RAW_SOCKETS _POSIX_VERSION 240 #define _POSIX_REALTIME_SIGNALS _POSIX_VERSION 241 #define _POSIX_REGEXP 1 242 #define _POSIX_SAVED_IDS 1 243 #define _POSIX_SHELL 1 244 #define _POSIX_SPAWN _POSIX_VERSION 245 #define _POSIX_VDISABLE 0 246 247 #define _POSIX_THREADS _POSIX_VERSION 248 #define _POSIX_THREAD_PROCESS_SHARED _POSIX_VERSION 249 #define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION 250 #define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION 251 #define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION 252 #define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION 253 #define _POSIX_THREAD_CPUTIME _POSIX_VERSION 254 #define _POSIX_TIMERS _POSIX_VERSION 255 #define _POSIX_TIMEOUTS _POSIX_VERSION 256 #define _POSIX_MONOTONIC_CLOCK _POSIX_VERSION 257 #define _POSIX_CPUTIME _POSIX_VERSION 258 #define _POSIX_CLOCK_SELECTION _POSIX_VERSION 259 #define _POSIX_BARRIERS _POSIX_VERSION 260 #define _POSIX_SPIN_LOCKS _POSIX_VERSION 261 #define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION 262 #define _POSIX_ASYNCHRONOUS_IO _POSIX_VERSION 263 #define _POSIX_SEMAPHORES _POSIX_VERSION 264 #define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_VERSION 265 266 #define _POSIX2_C_BIND _POSIX_VERSION 267 268 #include <bits/posix.h> 269 270 271 272 #define _PC_LINK_MAX 0 273 #define _PC_MAX_CANON 1 274 #define _PC_MAX_INPUT 2 275 #define _PC_NAME_MAX 3 276 #define _PC_PATH_MAX 4 277 #define _PC_PIPE_BUF 5 278 #define _PC_CHOWN_RESTRICTED 6 279 #define _PC_NO_TRUNC 7 280 #define _PC_VDISABLE 8 281 #define _PC_SYNC_IO 9 282 #define _PC_ASYNC_IO 10 283 #define _PC_PRIO_IO 11 284 #define _PC_SOCK_MAXBUF 12 285 #define _PC_FILESIZEBITS 13 286 #define _PC_REC_INCR_XFER_SIZE 14 287 #define _PC_REC_MAX_XFER_SIZE 15 288 #define _PC_REC_MIN_XFER_SIZE 16 289 #define _PC_REC_XFER_ALIGN 17 290 #define _PC_ALLOC_SIZE_MIN 18 291 #define _PC_SYMLINK_MAX 19 292 #define _PC_2_SYMLINKS 20 293 294 #define _SC_ARG_MAX 0 295 #define _SC_CHILD_MAX 1 296 #define _SC_CLK_TCK 2 297 #define _SC_NGROUPS_MAX 3 298 #define _SC_OPEN_MAX 4 299 #define _SC_STREAM_MAX 5 300 #define _SC_TZNAME_MAX 6 301 #define _SC_JOB_CONTROL 7 302 #define _SC_SAVED_IDS 8 303 #define _SC_REALTIME_SIGNALS 9 304 #define _SC_PRIORITY_SCHEDULING 10 305 #define _SC_TIMERS 11 306 #define _SC_ASYNCHRONOUS_IO 12 307 #define _SC_PRIORITIZED_IO 13 308 #define _SC_SYNCHRONIZED_IO 14 309 #define _SC_FSYNC 15 310 #define _SC_MAPPED_FILES 16 311 #define _SC_MEMLOCK 17 312 #define _SC_MEMLOCK_RANGE 18 313 #define _SC_MEMORY_PROTECTION 19 314 #define _SC_MESSAGE_PASSING 20 315 #define _SC_SEMAPHORES 21 316 #define _SC_SHARED_MEMORY_OBJECTS 22 317 #define _SC_AIO_LISTIO_MAX 23 318 #define _SC_AIO_MAX 24 319 #define _SC_AIO_PRIO_DELTA_MAX 25 320 #define _SC_DELAYTIMER_MAX 26 321 #define _SC_MQ_OPEN_MAX 27 322 #define _SC_MQ_PRIO_MAX 28 323 #define _SC_VERSION 29 324 #define _SC_PAGE_SIZE 30 325 #define _SC_PAGESIZE 30 /* !! */ 326 #define _SC_RTSIG_MAX 31 327 #define _SC_SEM_NSEMS_MAX 32 328 #define _SC_SEM_VALUE_MAX 33 329 #define _SC_SIGQUEUE_MAX 34 330 #define _SC_TIMER_MAX 35 331 #define _SC_BC_BASE_MAX 36 332 #define _SC_BC_DIM_MAX 37 333 #define _SC_BC_SCALE_MAX 38 334 #define _SC_BC_STRING_MAX 39 335 #define _SC_COLL_WEIGHTS_MAX 40 336 #define _SC_EXPR_NEST_MAX 42 337 #define _SC_LINE_MAX 43 338 #define _SC_RE_DUP_MAX 44 339 #define _SC_2_VERSION 46 340 #define _SC_2_C_BIND 47 341 #define _SC_2_C_DEV 48 342 #define _SC_2_FORT_DEV 49 343 #define _SC_2_FORT_RUN 50 344 #define _SC_2_SW_DEV 51 345 #define _SC_2_LOCALEDEF 52 346 #define _SC_UIO_MAXIOV 60 /* !! */ 347 #define _SC_IOV_MAX 60 348 #define _SC_THREADS 67 349 #define _SC_THREAD_SAFE_FUNCTIONS 68 350 #define _SC_GETGR_R_SIZE_MAX 69 351 #define _SC_GETPW_R_SIZE_MAX 70 352 #define _SC_LOGIN_NAME_MAX 71 353 #define _SC_TTY_NAME_MAX 72 354 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 73 355 #define _SC_THREAD_KEYS_MAX 74 356 #define _SC_THREAD_STACK_MIN 75 357 #define _SC_THREAD_THREADS_MAX 76 358 #define _SC_THREAD_ATTR_STACKADDR 77 359 #define _SC_THREAD_ATTR_STACKSIZE 78 360 #define _SC_THREAD_PRIORITY_SCHEDULING 79 361 #define _SC_THREAD_PRIO_INHERIT 80 362 #define _SC_THREAD_PRIO_PROTECT 81 363 #define _SC_THREAD_PROCESS_SHARED 82 364 #define _SC_NPROCESSORS_CONF 83 365 #define _SC_NPROCESSORS_ONLN 84 366 #define _SC_PHYS_PAGES 85 367 #define _SC_AVPHYS_PAGES 86 368 #define _SC_ATEXIT_MAX 87 369 #define _SC_PASS_MAX 88 370 #define _SC_XOPEN_VERSION 89 371 #define _SC_XOPEN_XCU_VERSION 90 372 #define _SC_XOPEN_UNIX 91 373 #define _SC_XOPEN_CRYPT 92 374 #define _SC_XOPEN_ENH_I18N 93 375 #define _SC_XOPEN_SHM 94 376 #define _SC_2_CHAR_TERM 95 377 #define _SC_2_UPE 97 378 #define _SC_XOPEN_XPG2 98 379 #define _SC_XOPEN_XPG3 99 380 #define _SC_XOPEN_XPG4 100 381 #define _SC_NZERO 109 382 #define _SC_XBS5_ILP32_OFF32 125 383 #define _SC_XBS5_ILP32_OFFBIG 126 384 #define _SC_XBS5_LP64_OFF64 127 385 #define _SC_XBS5_LPBIG_OFFBIG 128 386 #define _SC_XOPEN_LEGACY 129 387 #define _SC_XOPEN_REALTIME 130 388 #define _SC_XOPEN_REALTIME_THREADS 131 389 #define _SC_ADVISORY_INFO 132 390 #define _SC_BARRIERS 133 391 #define _SC_CLOCK_SELECTION 137 392 #define _SC_CPUTIME 138 393 #define _SC_THREAD_CPUTIME 139 394 #define _SC_MONOTONIC_CLOCK 149 395 #define _SC_READER_WRITER_LOCKS 153 396 #define _SC_SPIN_LOCKS 154 397 #define _SC_REGEXP 155 398 #define _SC_SHELL 157 399 #define _SC_SPAWN 159 400 #define _SC_SPORADIC_SERVER 160 401 #define _SC_THREAD_SPORADIC_SERVER 161 402 #define _SC_TIMEOUTS 164 403 #define _SC_TYPED_MEMORY_OBJECTS 165 404 #define _SC_2_PBS 168 405 #define _SC_2_PBS_ACCOUNTING 169 406 #define _SC_2_PBS_LOCATE 170 407 #define _SC_2_PBS_MESSAGE 171 408 #define _SC_2_PBS_TRACK 172 409 #define _SC_SYMLOOP_MAX 173 410 #define _SC_STREAMS 174 411 #define _SC_2_PBS_CHECKPOINT 175 412 #define _SC_V6_ILP32_OFF32 176 413 #define _SC_V6_ILP32_OFFBIG 177 414 #define _SC_V6_LP64_OFF64 178 415 #define _SC_V6_LPBIG_OFFBIG 179 416 #define _SC_HOST_NAME_MAX 180 417 #define _SC_TRACE 181 418 #define _SC_TRACE_EVENT_FILTER 182 419 #define _SC_TRACE_INHERIT 183 420 #define _SC_TRACE_LOG 184 421 422 #define _SC_IPV6 235 423 #define _SC_RAW_SOCKETS 236 424 #define _SC_V7_ILP32_OFF32 237 425 #define _SC_V7_ILP32_OFFBIG 238 426 #define _SC_V7_LP64_OFF64 239 427 #define _SC_V7_LPBIG_OFFBIG 240 428 #define _SC_SS_REPL_MAX 241 429 #define _SC_TRACE_EVENT_NAME_MAX 242 430 #define _SC_TRACE_NAME_MAX 243 431 #define _SC_TRACE_SYS_MAX 244 432 #define _SC_TRACE_USER_EVENT_MAX 245 433 #define _SC_XOPEN_STREAMS 246 434 #define _SC_THREAD_ROBUST_PRIO_INHERIT 247 435 #define _SC_THREAD_ROBUST_PRIO_PROTECT 248 436 437 #define _CS_PATH 0 438 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 1 439 #define _CS_GNU_LIBC_VERSION 2 440 #define _CS_GNU_LIBPTHREAD_VERSION 3 441 #define _CS_POSIX_V5_WIDTH_RESTRICTED_ENVS 4 442 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 5 443 444 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 1116 445 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 1117 446 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 1118 447 #define _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS 1119 448 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 1120 449 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 1121 450 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 1122 451 #define _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS 1123 452 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 1124 453 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 1125 454 #define _CS_POSIX_V6_LP64_OFF64_LIBS 1126 455 #define _CS_POSIX_V6_LP64_OFF64_LINTFLAGS 1127 456 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 1128 457 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 1129 458 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 1130 459 #define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS 1131 460 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 1132 461 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 1133 462 #define _CS_POSIX_V7_ILP32_OFF32_LIBS 1134 463 #define _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS 1135 464 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 1136 465 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 1137 466 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 1138 467 #define _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS 1139 468 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS 1140 469 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 1141 470 #define _CS_POSIX_V7_LP64_OFF64_LIBS 1142 471 #define _CS_POSIX_V7_LP64_OFF64_LINTFLAGS 1143 472 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 1144 473 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 1145 474 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 1146 475 #define _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS 1147 476 #define _CS_V6_ENV 1148 477 #define _CS_V7_ENV 1149 478 479 #ifdef _GNU_SOURCE 480 #ifndef TEMP_FAILURE_RETRY 481 #define MUSL_TEMP_FAILURE_RETRY(expression) \ 482 (__extension__ \ 483 ({ long int __result; \ 484 do __result = (long int)(expression); \ 485 while(__result == -1L&& errno == EINTR); \ 486 __result;})) 487 488 #define TEMP_FAILURE_RETRY(expression) MUSL_TEMP_FAILURE_RETRY(expression) 489 #endif 490 #endif 491 492 #include <fortify/unistd.h> 493 494 #ifdef __cplusplus 495 } 496 #endif 497 498 #endif 499