1 /* 2 * Copyright 2004-2015 Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _UNISTD_H_ 6 #define _UNISTD_H_ 7 8 9 #include <null.h> 10 #include <stdint.h> 11 #include <sys/types.h> 12 13 #include <config/HaikuConfig.h> 14 15 16 /* access modes */ 17 #define R_OK 4 18 #define W_OK 2 19 #define X_OK 1 20 #define F_OK 0 21 22 /* standard file descriptors */ 23 #define STDIN_FILENO 0 24 #define STDOUT_FILENO 1 25 #define STDERR_FILENO 2 26 27 /* function arguments needed by lockf() */ 28 #define F_ULOCK 0 /* unlock locked sections */ 29 #define F_LOCK 1 /* lock a section for exclusive use */ 30 #define F_TLOCK 2 /* test and lock a section for exclusive use */ 31 #define F_TEST 3 /* test a section for locks by other processes */ 32 33 /* POSIX version support */ 34 #define _POSIX_VERSION (200809L) 35 #define _POSIX2_VERSION (200809L) 36 #define _XOPEN_VERSION (700) 37 38 39 #define _POSIX_VDISABLE ((unsigned char)-2) 40 41 /* 42 * POSIX options and options groups. 43 * Please keep this list in the same order as the applicable standard. 44 * https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap02.html#tag_02_01_06 45 */ 46 #define _POSIX_ADVISORY_INFO (200809L) 47 #define _POSIX_ASYNCHRONOUS_IO (-1) 48 #define _POSIX_BARRIERS (200809L) 49 #define _POSIX_CHOWN_RESTRICTED (1) 50 #define _POSIX_CLOCK_SELECTION (200809L) 51 #define _POSIX_CPUTIME (200809L) 52 #define _POSIX_FSYNC (200809L) 53 #define _POSIX_IPV6 (200809L) 54 #define _POSIX_JOB_CONTROL (1) 55 #define _POSIX_MAPPED_FILES (200809L) 56 #define _POSIX_MEMLOCK (-1) 57 #define _POSIX_MEMLOCK_RANGE (200809L) 58 #define _POSIX_MEMORY_PROTECTION (200809L) 59 #define _POSIX_MESSAGE_PASSING (-1) 60 #define _POSIX_MONOTONIC_CLOCK (200809L) /* aio_suspend() is missing in Haiku1 */ 61 #define _POSIX_NO_TRUNC (0) 62 #define _POSIX_PRIORITIZED_IO (-1) 63 #define _POSIX_PRIORITY_SCHEDULING (-1) 64 #define _POSIX_RAW_SOCKETS (-1) 65 #define _POSIX_READER_WRITER_LOCKS (200809L) 66 #define _POSIX_REALTIME_SIGNALS (200809L) 67 #define _POSIX_REGEXP (200809L) 68 #define _POSIX_SAVED_IDS (1) 69 #define _POSIX_SEMAPHORES (200112L) 70 #define _POSIX_SHARED_MEMORY_OBJECTS (200809L) 71 #define _POSIX_SHELL (200809L) 72 #define _POSIX_SPAWN (200809L) 73 #define _POSIX_SPIN_LOCKS (-1) 74 #define _POSIX_SPORADIC_SERVER (-1) 75 #define _POSIX_SYNCHRONIZED_IO (-1) /* missing fdatasync() */ 76 #define _POSIX_THREAD_ATTR_STACKADDR (200809L) 77 #define _POSIX_THREAD_ATTR_STACKSIZE (200809L) 78 #define _POSIX_THREAD_CPUTIME (200809L) 79 #define _POSIX_THREAD_PRIO_INHERIT (-1) /* not inplemented */ 80 #define _POSIX_THREAD_PRIO_PROTECT (-1) 81 #define _POSIX_THREAD_PRIORITY_SCHEDULING (-1) 82 #define _POSIX_THREAD_PROCESS_SHARED (200809L) 83 #define _POSIX_THREAD_ROBUST_PRIO_INHERIT (-1) 84 #define _POSIX_THREAD_ROBUST_PRIO_PROTECT (-1) 85 #define _POSIX_THREAD_SAFE_FUNCTIONS (200809L) 86 #define _POSIX_THREAD_SPORADIC_SERVER (-1) 87 #define _POSIX_THREADS (200809L) 88 #define _POSIX_TIMEOUTS (-1) 89 #define _POSIX_TIMERS (200809L) 90 #define _POSIX_TRACE (-1) 91 #define _POSIX_TRACE_EVENT_FILTER (-1) 92 #define _POSIX_TRACE_INHERIT (-1) 93 #define _POSIX_TRACE_LOG (-1) 94 #define _POSIX_TYPED_MEMORY_OBJECTS (-1) 95 96 #define __ILP32_OFF32 (-1) 97 #ifdef __HAIKU_ARCH_64_BIT 98 #define __ILP32_OFFBIG (-1) 99 #define __LP64_OFF64 (0) 100 #else /* __HAIKU_ARCH_32_BIT */ 101 #define __ILP32_OFFBIG (0) 102 #define __LP64_OFF64 (-1) 103 #endif 104 #define __LPBIG_OFFBIG (-1) 105 106 107 #define _POSIX_V6_ILP32_OFF32 __ILP32_OFF32 /* OB */ 108 #define _POSIX_V6_ILP32_OFFBIG __ILP32_OFFBIG /* OB */ 109 #define _POSIX_V6_LP64_OFF64 __LP64_OFF64 /* OB */ 110 #define _POSIX_V6_LPBIG_OFFBIG __LPBIG_OFFBIG /* OB */ 111 112 #define _POSIX_V7_ILP32_OFF32 __ILP32_OFF32 113 #define _POSIX_V7_ILP32_OFFBIG __ILP32_OFFBIG 114 #define _POSIX_V7_LP64_OFF64 __LP64_OFF64 115 #define _POSIX_V7_LPBIG_OFFBIG __LPBIG_OFFBIG 116 117 118 /* POSIX2 */ 119 #define _POSIX2_C_BIND (200809L) 120 #define _POSIX2_C_DEV (-1) 121 #define _POSIX2_CHAR_TERM (1) 122 #define _POSIX2_FORT_DEV (-1) 123 #define _POSIX2_FORT_RUN (-1) 124 #define _POSIX2_LOCALEDEF (-1) 125 #define _POSIX2_PBS (-1) 126 #define _POSIX2_PBS_ACCOUNTING (-1) 127 #define _POSIX2_PBS_CHECKPOINT (-1) 128 #define _POSIX2_PBS_LOCATE (-1) 129 #define _POSIX2_PBS_MESSAGE (-1) 130 #define _POSIX2_PBS_TRACK (-1) 131 #define _POSIX2_SW_DEV (-1) 132 #define _POSIX2_UPE (-1) 133 134 /* XSI */ 135 #define _XOPEN_CRYPT (-1) 136 #define _XOPEN_ENH_I18N (-1) 137 #define _XOPEN_LEGACY (-1) 138 #define _XOPEN_REALTIME (-1) 139 #define _XOPEN_REALTIME_THREADS (-1) 140 #define _XOPEN_SHM (-1) 141 #define _XOPEN_STREAMS (-1) 142 #define _XOPEN_UNIX (-1) 143 #define _XOPEN_UUCP (-1) 144 145 /* pathconf() constants */ 146 /* BeOS supported values, do not touch */ 147 #define _PC_CHOWN_RESTRICTED 1 148 #define _PC_MAX_CANON 2 149 #define _PC_MAX_INPUT 3 150 #define _PC_NAME_MAX 4 151 #define _PC_NO_TRUNC 5 152 #define _PC_PATH_MAX 6 153 #define _PC_PIPE_BUF 7 154 #define _PC_VDISABLE 8 155 #define _PC_LINK_MAX 25 156 /* new values */ 157 #define _PC_SYNC_IO 26 158 #define _PC_ASYNC_IO 27 159 #define _PC_PRIO_IO 28 160 #define _PC_SOCK_MAXBUF 29 161 #define _PC_FILESIZEBITS 30 162 #define _PC_REC_INCR_XFER_SIZE 31 163 #define _PC_REC_MAX_XFER_SIZE 32 164 #define _PC_REC_MIN_XFER_SIZE 33 165 #define _PC_REC_XFER_ALIGN 34 166 #define _PC_ALLOC_SIZE_MIN 35 167 #define _PC_SYMLINK_MAX 36 168 #define _PC_2_SYMLINKS 37 169 #define _PC_XATTR_EXISTS 38 170 #define _PC_XATTR_ENABLED 39 171 172 /* sysconf() constants */ 173 /* BeOS supported values, do not touch */ 174 #define _SC_ARG_MAX 15 175 #define _SC_CHILD_MAX 16 176 #define _SC_CLK_TCK 17 177 #define _SC_JOB_CONTROL 18 178 #define _SC_NGROUPS_MAX 19 179 #define _SC_OPEN_MAX 20 180 #define _SC_SAVED_IDS 21 181 #define _SC_STREAM_MAX 22 182 #define _SC_TZNAME_MAX 23 183 #define _SC_VERSION 24 184 /* new values */ 185 #define _SC_GETGR_R_SIZE_MAX 25 186 #define _SC_GETPW_R_SIZE_MAX 26 187 #define _SC_PAGE_SIZE 27 188 #define _SC_PAGESIZE _SC_PAGE_SIZE 189 #define _SC_SEM_NSEMS_MAX 28 190 #define _SC_SEM_VALUE_MAX 29 191 #define _SC_SEMAPHORES 30 192 #define _SC_THREADS 31 193 /* TODO: check */ 194 #define _SC_IOV_MAX 32 195 #define _SC_UIO_MAXIOV _SC_IOV_MAX 196 #define _SC_NPROCESSORS_CONF 34 197 #define _SC_NPROCESSORS_ONLN 35 198 #define _SC_ATEXIT_MAX 37 199 #define _SC_PASS_MAX 39 200 #define _SC_PHYS_PAGES 40 201 #define _SC_AVPHYS_PAGES 41 202 #define _SC_PIPE 42 203 #define _SC_SELECT 43 204 #define _SC_POLL 44 205 #define _SC_MAPPED_FILES 45 206 #define _SC_THREAD_PROCESS_SHARED 46 207 #define _SC_THREAD_STACK_MIN 47 208 #define _SC_THREAD_ATTR_STACKADDR 48 209 #define _SC_THREAD_ATTR_STACKSIZE 49 210 #define _SC_THREAD_PRIORITY_SCHEDULING 50 211 #define _SC_REALTIME_SIGNALS 51 212 #define _SC_MEMORY_PROTECTION 52 213 #define _SC_SIGQUEUE_MAX 53 214 #define _SC_RTSIG_MAX 54 215 #define _SC_MONOTONIC_CLOCK 55 216 #define _SC_DELAYTIMER_MAX 56 217 #define _SC_TIMER_MAX 57 218 #define _SC_TIMERS 58 219 #define _SC_CPUTIME 59 220 #define _SC_THREAD_CPUTIME 60 221 #define _SC_HOST_NAME_MAX 61 222 #define _SC_REGEXP 62 223 #define _SC_SYMLOOP_MAX 63 224 #define _SC_SHELL 64 225 #define _SC_TTY_NAME_MAX 65 226 #define _SC_ADVISORY_INFO 66 227 #define _SC_BARRIERS 67 228 #define _SC_CLOCK_SELECTION 68 229 #define _SC_FSYNC 69 230 #define _SC_IPV6 70 231 #define _SC_MEMLOCK 71 232 #define _SC_MEMLOCK_RANGE 72 233 #define _SC_MESSAGE_PASSING 73 234 #define _SC_PRIORITIZED_IO 74 235 #define _SC_PRIORITY_SCHEDULING 75 236 #define _SC_READER_WRITER_LOCKS 76 237 #define _SC_SHARED_MEMORY_OBJECTS 77 238 #define _SC_SPAWN 78 239 #define _SC_SPIN_LOCKS 79 240 #define _SC_SPORADIC_SERVER 80 241 #define _SC_SYNCHRONIZED_IO 81 242 #define _SC_THREAD_PRIO_INHERIT 82 243 #define _SC_THREAD_PRIO_PROTECT 83 244 #define _SC_THREAD_ROBUST_PRIO_INHERIT 84 245 #define _SC_THREAD_ROBUST_PRIO_PROTECT 85 246 #define _SC_THREAD_SAFE_FUNCTIONS 86 247 #define _SC_THREAD_SPORADIC_SERVER 87 248 #define _SC_TIMEOUTS 88 249 #define _SC_TRACE 89 250 #define _SC_TRACE_EVENT_FILTER 90 251 #define _SC_TRACE_INHERIT 91 252 #define _SC_TRACE_LOG 92 253 #define _SC_TYPED_MEMORY_OBJECTS 93 254 #define _SC_V6_ILP32_OFF32 94 /* OB */ 255 #define _SC_V6_ILP32_OFFBIG 95 /* OB */ 256 #define _SC_V6_LP64_OFF64 96 /* OB */ 257 #define _SC_V6_LPBIG_OFFBIG 97 /* OB */ 258 #define _SC_V7_ILP32_OFF32 98 259 #define _SC_V7_ILP32_OFFBIG 99 260 #define _SC_V7_LP64_OFF64 100 261 #define _SC_V7_LPBIG_OFFBIG 101 262 #define _SC_2_C_BIND 102 263 #define _SC_2_C_DEV 103 264 #define _SC_2_CHAR_TERM 104 265 #define _SC_2_FORT_DEV 105 266 #define _SC_2_FORT_RUN 106 267 #define _SC_2_LOCALEDEF 107 268 #define _SC_2_PBS 108 /* OB BE */ 269 #define _SC_2_PBS_ACCOUNTING 109 /* OB BE */ 270 #define _SC_2_PBS_CHECKPOINT 110 /* OB BE */ 271 #define _SC_2_PBS_LOCATE 111 /* OB BE */ 272 #define _SC_2_PBS_MESSAGE 112 /* OB BE */ 273 #define _SC_2_PBS_TRACK 113 /* OB BE */ 274 #define _SC_2_SW_DEV 114 275 #define _SC_2_UPE 115 276 #define _SC_2_VERSION 116 277 #define _SC_XOPEN_CRYPT 117 278 #define _SC_XOPEN_ENH_I18N 118 279 #define _SC_XOPEN_REALTIME 119 280 #define _SC_XOPEN_REALTIME_THREADS 120 281 #define _SC_XOPEN_SHM 121 282 #define _SC_XOPEN_STREAMS 122 283 #define _SC_XOPEN_UNIX 123 284 #define _SC_XOPEN_UUCP 124 285 #define _SC_XOPEN_VERSION 125 286 287 #if _POSIX_ASYNCHRONOUS_IO >= 0 288 #define _SC_AIO_LISTIO_MAX 126 289 #define _SC_AIO_MAX 127 290 #define _SC_AIO_PRIO_DELTA_MAX 128 291 #endif 292 293 #define _SC_BC_BASE_MAX 129 294 #define _SC_BC_DIM_MAX 130 295 #define _SC_BC_SCALE_MAX 131 296 #define _SC_BC_STRING_MAX 132 297 298 #define _SC_COLL_WEIGHTS_MAX 133 299 #define _SC_EXPR_NEST_MAX 134 300 #define _SC_LINE_MAX 135 301 #define _SC_LOGIN_NAME_MAX 136 302 #define _SC_MQ_OPEN_MAX 137 303 #define _SC_MQ_PRIO_MAX 138 304 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 139 305 #define _SC_THREAD_KEYS_MAX 140 306 #define _SC_THREAD_THREADS_MAX 141 307 #define _SC_RE_DUP_MAX 142 308 309 310 /* confstr() constants */ 311 #define _CS_PATH 1 312 313 /* lseek() constants */ 314 #ifndef SEEK_SET 315 # define SEEK_SET 0 316 #endif 317 #ifndef SEEK_CUR 318 # define SEEK_CUR 1 319 #endif 320 #ifndef SEEK_END 321 # define SEEK_END 2 322 #endif 323 #ifndef SEEK_DATA 324 # define SEEK_DATA 3 325 #endif 326 #ifndef SEEK_HOLE 327 # define SEEK_HOLE 4 328 #endif 329 330 331 #ifdef __cplusplus 332 extern "C" { 333 #endif 334 335 /* file functions */ 336 extern int access(const char *path, int accessMode); 337 extern int faccessat(int fd, const char *path, int accessMode, int flag); 338 339 extern int chdir(const char *path); 340 extern int fchdir(int fd); 341 extern char *getcwd(char *buffer, size_t size); 342 343 extern int pipe(int fildes[2]); 344 extern int dup(int fd); 345 extern int dup2(int fd1, int fd2); 346 extern int close(int fd); 347 extern int link(const char *toPath, const char *path); 348 extern int linkat(int toFD, const char *toPath, int pathFD, 349 const char *path, int flag); 350 extern int unlink(const char *name); 351 extern int unlinkat(int fd, const char *path, int flag); 352 extern int rmdir(const char *path); 353 354 extern ssize_t readlink(const char *path, char *buffer, size_t bufferSize); 355 extern ssize_t readlinkat(int fd, const char *path, char *buffer, 356 size_t bufferSize); 357 extern int symlink(const char *toPath, const char *symlinkPath); 358 extern int symlinkat(const char *toPath, int fd, const char *symlinkPath); 359 360 extern int ftruncate(int fd, off_t newSize); 361 extern int truncate(const char *path, off_t newSize); 362 struct ioctl_args { 363 void* argument; 364 size_t size; 365 }; 366 int __ioctl(int fd, ulong cmd, struct ioctl_args args); 367 #ifndef __cplusplus 368 extern int ioctl(int fd, unsigned long op, ...); 369 #ifndef _KERNEL_MODE 370 #define ioctl(a, b, c...) __ioctl(a, b, (struct ioctl_args){ c }) 371 #endif 372 #else 373 inline int 374 ioctl(int fd, unsigned long op, void* argument = NULL, size_t size = 0) 375 { 376 return __ioctl(fd, op, (struct ioctl_args){ argument, size }); 377 } 378 #endif 379 380 extern ssize_t read(int fd, void *buffer, size_t count); 381 extern ssize_t read_pos(int fd, off_t pos, void *buffer, size_t count); 382 extern ssize_t pread(int fd, void *buffer, size_t count, off_t pos); 383 extern ssize_t write(int fd, const void *buffer, size_t count); 384 extern ssize_t write_pos(int fd, off_t pos, const void *buffer,size_t count); 385 extern ssize_t pwrite(int fd, const void *buffer, size_t count, off_t pos); 386 extern off_t lseek(int fd, off_t offset, int whence); 387 388 extern void sync(void); 389 extern int fsync(int fd); 390 391 extern int chown(const char *path, uid_t owner, gid_t group); 392 extern int fchown(int fd, uid_t owner, gid_t group); 393 extern int lchown(const char *path, uid_t owner, gid_t group); 394 extern int fchownat(int fd, const char *path, uid_t owner, gid_t group, 395 int flag); 396 397 extern int getpagesize(void); 398 extern int getdtablesize(void); 399 extern long sysconf(int name); 400 extern long fpathconf(int fd, int name); 401 extern long pathconf(const char *path, int name); 402 extern size_t confstr(int name, char *buf, size_t len); 403 extern int lockf(int fd, int function, off_t size); 404 405 /* process functions */ 406 extern pid_t fork(void); 407 extern pid_t vfork(void); 408 extern int execve(const char *path, char * const argv[], 409 char *const environment[]); 410 extern int execl(const char *path, const char *arg, ...); 411 extern int execv(const char *path, char *const argv[]); 412 extern int execlp(const char *file, const char *arg, ...); 413 extern int execle(const char *path, const char *arg , ... /*, char **envp */); 414 extern int execvp(const char *file, char *const argv[]); 415 extern int execvpe(const char *file, char *const argv[], 416 char *const environment[]); 417 418 extern void _exit(int status) __attribute__ ((noreturn)); 419 420 extern pid_t tcgetpgrp(int fd); 421 extern int tcsetpgrp(int fd, pid_t pgrpid); 422 423 extern int brk(void *addr); 424 extern void *sbrk(intptr_t increment); 425 426 extern unsigned int alarm(unsigned int seconds); 427 extern useconds_t ualarm(useconds_t microSeconds, useconds_t interval); 428 extern unsigned int sleep(unsigned int seconds); 429 extern int usleep(unsigned int microSeconds); 430 extern int pause(void); 431 432 /* process */ 433 extern pid_t getpid(void); 434 extern pid_t getpgrp(void); 435 extern pid_t getppid(void); 436 extern pid_t getsid(pid_t pid); 437 extern pid_t getpgid(pid_t pid); 438 439 extern pid_t setsid(void); 440 extern int setpgid(pid_t pid, pid_t pgid); 441 extern pid_t setpgrp(void); 442 443 extern int chroot(const char *path); 444 445 extern int nice(int incr); 446 447 /* access permissions */ 448 extern gid_t getegid(void); 449 extern uid_t geteuid(void); 450 extern gid_t getgid(void); 451 extern uid_t getuid(void); 452 453 extern int setgid(gid_t gid); 454 extern int setuid(uid_t uid); 455 extern int setegid(gid_t gid); 456 extern int seteuid(uid_t uid); 457 extern int setregid(gid_t rgid, gid_t egid); 458 extern int setreuid(uid_t ruid, uid_t euid); 459 460 extern int getgrouplist(const char* user, gid_t baseGroup, 461 gid_t* groupList, int* groupCount); 462 extern int getgroups(int groupCount, gid_t groupList[]); 463 extern int initgroups(const char* user, gid_t baseGroup); 464 extern int setgroups(int groupCount, const gid_t* groupList); 465 466 extern char *getlogin(void); 467 extern int getlogin_r(char *name, size_t nameSize); 468 469 /* host name */ 470 extern int sethostname(const char *hostName, size_t nameSize); 471 extern int gethostname(char *hostName, size_t nameSize); 472 473 /* tty */ 474 extern int isatty(int fd); 475 extern char *ttyname(int fd); 476 extern int ttyname_r(int fd, char *buffer, size_t bufferSize); 477 478 /* misc */ 479 extern char *crypt(const char *key, const char *salt); 480 extern void encrypt(char block[64], int edflag); 481 extern int getopt(int argc, char *const *argv, const char *shortOpts); 482 extern void swab(const void *src, void *dest, ssize_t nbytes); 483 484 /* getopt() related external variables */ 485 extern char *optarg; 486 extern int optind, opterr, optopt; 487 488 #ifdef __cplusplus 489 } 490 #endif 491 492 #endif /* _UNISTD_H_ */ 493