import/core/sys/posix/unistd.d

   1 /**
   2  * D header file for POSIX.
   3  *
   4  * Copyright: Public Domain
   5  * License:   Public Domain
   6  * Authors:   Sean Kelly
   7  * Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
   8  */
   9 module core.sys.posix.unistd;
  10
  11 private import core.sys.posix.config;
  12 private import core.stdc.stddef;
  13 public import core.sys.posix.inttypes;  // for intptr_t
  14 public import core.sys.posix.sys.types; // for size_t, ssize_t, uid_t, gid_t, off_t, pid_t, useconds_t
  15
  16 extern (C):
  17
  18 const STDIN_FILENO  = 0;
  19 const STDOUT_FILENO = 1;
  20 const STDERR_FILENO = 2;
  21
  22 char*   optarg;
  23 int     optind;
  24 int     opterr;
  25 int     optopt;
  26
  27 int     access(in char*, int);
  28 uint    alarm(uint);
  29 int     chdir(in char*);
  30 int     chown(in char*, uid_t, gid_t);
  31 int     close(int);
  32 size_t  confstr(int, char*, size_t);
  33 int     dup(int);
  34 int     dup2(int, int);
  35 int     execl(in char*, in char*, ...);
  36 int     execle(in char*, in char*, ...);
  37 int     execlp(in char*, in char*, ...);
  38 int     execv(in char*, in char**);
  39 int     execve(in char*, in char**, in char**);
  40 int     execvp(in char*, in char**);
  41 void    _exit(int);
  42 int     fchown(int, uid_t, gid_t);
  43 pid_t   fork();
  44 c_long  fpathconf(int, int);
  45 //int     ftruncate(int, off_t);
  46 char*   getcwd(char*, size_t);
  47 gid_t   getegid();
  48 uid_t   geteuid();
  49 gid_t   getgid();
  50 int     getgroups(int, gid_t *);
  51 int     gethostname(char*, size_t);
  52 char*   getlogin();
  53 int     getlogin_r(char*, size_t);
  54 int     getopt(int, in char**, in char*);
  55 pid_t   getpgrp();
  56 pid_t   getpid();
  57 pid_t   getppid();
  58 uid_t   getuid();
  59 int     isatty(int);
  60 int     link(in char*, in char*);
  61 //off_t   lseek(int, off_t, int);
  62 c_long  pathconf(in char*, int);
  63 int     pause();
  64 int     pipe(int[2]);
  65 ssize_t read(int, void*, size_t);
  66 ssize_t readlink(in char*, char*, size_t);
  67 int     rmdir(in char*);
  68 int     setegid(gid_t);
  69 int     seteuid(uid_t);
  70 int     setgid(gid_t);
  71 int     setpgid(pid_t, pid_t);
  72 pid_t   setsid();
  73 int     setuid(uid_t);
  74 uint    sleep(uint);
  75 int     symlink(in char*, in char*);
  76 c_long  sysconf(int);
  77 pid_t   tcgetpgrp(int);
  78 int     tcsetpgrp(int, pid_t);
  79 char*   ttyname(int);
  80 int     ttyname_r(int, char*, size_t);
  81 int     unlink(in char*);
  82 ssize_t write(int, in void*, size_t);
  83
  84 version( linux )
  85 {
  86   static if( __USE_FILE_OFFSET64 )
  87   {
  88     off_t lseek64(int, off_t, int);
  89     alias lseek64 lseek;
  90   }
  91   else
  92   {
  93     off_t lseek(int, off_t, int);
  94   }
  95   static if( __USE_LARGEFILE64 )
  96   {
  97     int   ftruncate64(int, off_t);
  98     alias ftruncate64 ftruncate;
  99   }
 100   else
 101   {
 102     int   ftruncate(int, off_t);
 103   }
 104 }
 105 else version( freebsd )
 106 {
 107     off_t lseek(int, off_t, int);
 108     int   ftruncate(int, off_t);
 109 }
 110 else
 111 {
 112     off_t lseek(int, off_t, int);
 113     int   ftruncate(int, off_t);
 114 }
 115
 116 version( linux )
 117 {
 118     const F_OK          = 0;
 119     const R_OK          = 4;
 120     const W_OK          = 2;
 121     const X_OK          = 1;
 122
 123     const F_ULOCK       = 0;
 124     const F_LOCK        = 1;
 125     const F_TLOCK       = 2;
 126     const F_TEST        = 3;
 127
 128     enum
 129     {
 130         _CS_PATH,
 131
 132         _CS_V6_WIDTH_RESTRICTED_ENVS,
 133
 134         _CS_GNU_LIBC_VERSION,
 135         _CS_GNU_LIBPTHREAD_VERSION,
 136
 137         _CS_LFS_CFLAGS = 1000,
 138         _CS_LFS_LDFLAGS,
 139         _CS_LFS_LIBS,
 140         _CS_LFS_LINTFLAGS,
 141         _CS_LFS64_CFLAGS,
 142         _CS_LFS64_LDFLAGS,
 143         _CS_LFS64_LIBS,
 144         _CS_LFS64_LINTFLAGS,
 145
 146         _CS_XBS5_ILP32_OFF32_CFLAGS = 1100,
 147         _CS_XBS5_ILP32_OFF32_LDFLAGS,
 148         _CS_XBS5_ILP32_OFF32_LIBS,
 149         _CS_XBS5_ILP32_OFF32_LINTFLAGS,
 150         _CS_XBS5_ILP32_OFFBIG_CFLAGS,
 151         _CS_XBS5_ILP32_OFFBIG_LDFLAGS,
 152         _CS_XBS5_ILP32_OFFBIG_LIBS,
 153         _CS_XBS5_ILP32_OFFBIG_LINTFLAGS,
 154         _CS_XBS5_LP64_OFF64_CFLAGS,
 155         _CS_XBS5_LP64_OFF64_LDFLAGS,
 156         _CS_XBS5_LP64_OFF64_LIBS,
 157         _CS_XBS5_LP64_OFF64_LINTFLAGS,
 158         _CS_XBS5_LPBIG_OFFBIG_CFLAGS,
 159         _CS_XBS5_LPBIG_OFFBIG_LDFLAGS,
 160         _CS_XBS5_LPBIG_OFFBIG_LIBS,
 161         _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS,
 162
 163         _CS_POSIX_V6_ILP32_OFF32_CFLAGS,
 164         _CS_POSIX_V6_ILP32_OFF32_LDFLAGS,
 165         _CS_POSIX_V6_ILP32_OFF32_LIBS,
 166         _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS,
 167         _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS,
 168         _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS,
 169         _CS_POSIX_V6_ILP32_OFFBIG_LIBS,
 170         _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS,
 171         _CS_POSIX_V6_LP64_OFF64_CFLAGS,
 172         _CS_POSIX_V6_LP64_OFF64_LDFLAGS,
 173         _CS_POSIX_V6_LP64_OFF64_LIBS,
 174         _CS_POSIX_V6_LP64_OFF64_LINTFLAGS,
 175         _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS,
 176         _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS,
 177         _CS_POSIX_V6_LPBIG_OFFBIG_LIBS,
 178         _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
 179     }
 180
 181     enum
 182     {
 183         _PC_LINK_MAX,
 184         _PC_MAX_CANON,
 185         _PC_MAX_INPUT,
 186         _PC_NAME_MAX,
 187         _PC_PATH_MAX,
 188         _PC_PIPE_BUF,
 189         _PC_CHOWN_RESTRICTED,
 190         _PC_NO_TRUNC,
 191         _PC_VDISABLE,
 192         _PC_SYNC_IO,
 193         _PC_ASYNC_IO,
 194         _PC_PRIO_IO,
 195         _PC_SOCK_MAXBUF,
 196         _PC_FILESIZEBITS,
 197         _PC_REC_INCR_XFER_SIZE,
 198         _PC_REC_MAX_XFER_SIZE,
 199         _PC_REC_MIN_XFER_SIZE,
 200         _PC_REC_XFER_ALIGN,
 201         _PC_ALLOC_SIZE_MIN,
 202         _PC_SYMLINK_MAX,
 203         _PC_2_SYMLINKS
 204     }
 205
 206     enum
 207     {
 208         _SC_ARG_MAX,
 209         _SC_CHILD_MAX,
 210         _SC_CLK_TCK,
 211         _SC_NGROUPS_MAX,
 212         _SC_OPEN_MAX,
 213         _SC_STREAM_MAX,
 214         _SC_TZNAME_MAX,
 215         _SC_JOB_CONTROL,
 216         _SC_SAVED_IDS,
 217         _SC_REALTIME_SIGNALS,
 218         _SC_PRIORITY_SCHEDULING,
 219         _SC_TIMERS,
 220         _SC_ASYNCHRONOUS_IO,
 221         _SC_PRIORITIZED_IO,
 222         _SC_SYNCHRONIZED_IO,
 223         _SC_FSYNC,
 224         _SC_MAPPED_FILES,
 225         _SC_MEMLOCK,
 226         _SC_MEMLOCK_RANGE,
 227         _SC_MEMORY_PROTECTION,
 228         _SC_MESSAGE_PASSING,
 229         _SC_SEMAPHORES,
 230         _SC_SHARED_MEMORY_OBJECTS,
 231         _SC_AIO_LISTIO_MAX,
 232         _SC_AIO_MAX,
 233         _SC_AIO_PRIO_DELTA_MAX,
 234         _SC_DELAYTIMER_MAX,
 235         _SC_MQ_OPEN_MAX,
 236         _SC_MQ_PRIO_MAX,
 237         _SC_VERSION,
 238         _SC_PAGESIZE,
 239         _SC_PAGE_SIZE = _SC_PAGESIZE,
 240         _SC_RTSIG_MAX,
 241         _SC_SEM_NSEMS_MAX,
 242         _SC_SEM_VALUE_MAX,
 243         _SC_SIGQUEUE_MAX,
 244         _SC_TIMER_MAX,
 245
 246         _SC_BC_BASE_MAX,
 247         _SC_BC_DIM_MAX,
 248         _SC_BC_SCALE_MAX,
 249         _SC_BC_STRING_MAX,
 250         _SC_COLL_WEIGHTS_MAX,
 251         _SC_EQUIV_CLASS_MAX,
 252         _SC_EXPR_NEST_MAX,
 253         _SC_LINE_MAX,
 254         _SC_RE_DUP_MAX,
 255         _SC_CHARCLASS_NAME_MAX,
 256
 257         _SC_2_VERSION,
 258         _SC_2_C_BIND,
 259         _SC_2_C_DEV,
 260         _SC_2_FORT_DEV,
 261         _SC_2_FORT_RUN,
 262         _SC_2_SW_DEV,
 263         _SC_2_LOCALEDEF,
 264
 265         _SC_PII,
 266         _SC_PII_XTI,
 267         _SC_PII_SOCKET,
 268         _SC_PII_INTERNET,
 269         _SC_PII_OSI,
 270         _SC_POLL,
 271         _SC_SELECT,
 272         _SC_UIO_MAXIOV,
 273         _SC_IOV_MAX = _SC_UIO_MAXIOV,
 274         _SC_PII_INTERNET_STREAM,
 275         _SC_PII_INTERNET_DGRAM,
 276         _SC_PII_OSI_COTS,
 277         _SC_PII_OSI_CLTS,
 278         _SC_PII_OSI_M,
 279         _SC_T_IOV_MAX,
 280
 281         _SC_THREADS,
 282         _SC_THREAD_SAFE_FUNCTIONS,
 283         _SC_GETGR_R_SIZE_MAX,
 284         _SC_GETPW_R_SIZE_MAX,
 285         _SC_LOGIN_NAME_MAX,
 286         _SC_TTY_NAME_MAX,
 287         _SC_THREAD_DESTRUCTOR_ITERATIONS,
 288         _SC_THREAD_KEYS_MAX,
 289         _SC_THREAD_STACK_MIN,
 290         _SC_THREAD_THREADS_MAX,
 291         _SC_THREAD_ATTR_STACKADDR,
 292         _SC_THREAD_ATTR_STACKSIZE,
 293         _SC_THREAD_PRIORITY_SCHEDULING,
 294         _SC_THREAD_PRIO_INHERIT,
 295         _SC_THREAD_PRIO_PROTECT,
 296         _SC_THREAD_PROCESS_SHARED,
 297
 298         _SC_NPROCESSORS_CONF,
 299         _SC_NPROCESSORS_ONLN,
 300         _SC_PHYS_PAGES,
 301         _SC_AVPHYS_PAGES,
 302         _SC_ATEXIT_MAX,
 303         _SC_PASS_MAX,
 304
 305         _SC_XOPEN_VERSION,
 306         _SC_XOPEN_XCU_VERSION,
 307         _SC_XOPEN_UNIX,
 308         _SC_XOPEN_CRYPT,
 309         _SC_XOPEN_ENH_I18N,
 310         _SC_XOPEN_SHM,
 311
 312         _SC_2_CHAR_TERM,
 313         _SC_2_C_VERSION,
 314         _SC_2_UPE,
 315
 316         _SC_XOPEN_XPG2,
 317         _SC_XOPEN_XPG3,
 318         _SC_XOPEN_XPG4,
 319
 320         _SC_CHAR_BIT,
 321         _SC_CHAR_MAX,
 322         _SC_CHAR_MIN,
 323         _SC_INT_MAX,
 324         _SC_INT_MIN,
 325         _SC_LONG_BIT,
 326         _SC_WORD_BIT,
 327         _SC_MB_LEN_MAX,
 328         _SC_NZERO,
 329         _SC_SSIZE_MAX,
 330         _SC_SCHAR_MAX,
 331         _SC_SCHAR_MIN,
 332         _SC_SHRT_MAX,
 333         _SC_SHRT_MIN,
 334         _SC_UCHAR_MAX,
 335         _SC_UINT_MAX,
 336         _SC_ULONG_MAX,
 337         _SC_USHRT_MAX,
 338
 339         _SC_NL_ARGMAX,
 340         _SC_NL_LANGMAX,
 341         _SC_NL_MSGMAX,
 342         _SC_NL_NMAX,
 343         _SC_NL_SETMAX,
 344         _SC_NL_TEXTMAX,
 345
 346         _SC_XBS5_ILP32_OFF32,
 347         _SC_XBS5_ILP32_OFFBIG,
 348         _SC_XBS5_LP64_OFF64,
 349         _SC_XBS5_LPBIG_OFFBIG,
 350
 351         _SC_XOPEN_LEGACY,
 352         _SC_XOPEN_REALTIME,
 353         _SC_XOPEN_REALTIME_THREADS,
 354
 355         _SC_ADVISORY_INFO,
 356         _SC_BARRIERS,
 357         _SC_BASE,
 358         _SC_C_LANG_SUPPORT,
 359         _SC_C_LANG_SUPPORT_R,
 360         _SC_CLOCK_SELECTION,
 361         _SC_CPUTIME,
 362         _SC_THREAD_CPUTIME,
 363         _SC_DEVICE_IO,
 364         _SC_DEVICE_SPECIFIC,
 365         _SC_DEVICE_SPECIFIC_R,
 366         _SC_FD_MGMT,
 367         _SC_FIFO,
 368         _SC_PIPE,
 369         _SC_FILE_ATTRIBUTES,
 370         _SC_FILE_LOCKING,
 371         _SC_FILE_SYSTEM,
 372         _SC_MONOTONIC_CLOCK,
 373         _SC_MULTI_PROCESS,
 374         _SC_SINGLE_PROCESS,
 375         _SC_NETWORKING,
 376         _SC_READER_WRITER_LOCKS,
 377         _SC_SPIN_LOCKS,
 378         _SC_REGEXP,
 379         _SC_REGEX_VERSION,
 380         _SC_SHELL,
 381         _SC_SIGNALS,
 382         _SC_SPAWN,
 383         _SC_SPORADIC_SERVER,
 384         _SC_THREAD_SPORADIC_SERVER,
 385         _SC_SYSTEM_DATABASE,
 386         _SC_SYSTEM_DATABASE_R,
 387         _SC_TIMEOUTS,
 388         _SC_TYPED_MEMORY_OBJECTS,
 389         _SC_USER_GROUPS,
 390         _SC_USER_GROUPS_R,
 391         _SC_2_PBS,
 392         _SC_2_PBS_ACCOUNTING,
 393         _SC_2_PBS_LOCATE,
 394         _SC_2_PBS_MESSAGE,
 395         _SC_2_PBS_TRACK,
 396         _SC_SYMLOOP_MAX,
 397         _SC_STREAMS,
 398         _SC_2_PBS_CHECKPOINT,
 399
 400         _SC_V6_ILP32_OFF32,
 401         _SC_V6_ILP32_OFFBIG,
 402         _SC_V6_LP64_OFF64,
 403         _SC_V6_LPBIG_OFFBIG,
 404
 405         _SC_HOST_NAME_MAX,
 406         _SC_TRACE,
 407         _SC_TRACE_EVENT_FILTER,
 408         _SC_TRACE_INHERIT,
 409         _SC_TRACE_LOG,
 410
 411         _SC_LEVEL1_ICACHE_SIZE,
 412         _SC_LEVEL1_ICACHE_ASSOC,
 413         _SC_LEVEL1_ICACHE_LINESIZE,
 414         _SC_LEVEL1_DCACHE_SIZE,
 415         _SC_LEVEL1_DCACHE_ASSOC,
 416         _SC_LEVEL1_DCACHE_LINESIZE,
 417         _SC_LEVEL2_CACHE_SIZE,
 418         _SC_LEVEL2_CACHE_ASSOC,
 419         _SC_LEVEL2_CACHE_LINESIZE,
 420         _SC_LEVEL3_CACHE_SIZE,
 421         _SC_LEVEL3_CACHE_ASSOC,
 422         _SC_LEVEL3_CACHE_LINESIZE,
 423         _SC_LEVEL4_CACHE_SIZE,
 424         _SC_LEVEL4_CACHE_ASSOC,
 425         _SC_LEVEL4_CACHE_LINESIZE,
 426
 427         _SC_IPV6 = _SC_LEVEL1_ICACHE_SIZE + 50,
 428         _SC_RAW_SOCKETS
 429     }
 430 }
 431 else version( darwin )
 432 {
 433     const F_OK          = 0;
 434     const R_OK          = 4;
 435     const W_OK          = 2;
 436     const X_OK          = 1;
 437
 438     const F_ULOCK       = 0;
 439     const F_LOCK        = 1;
 440     const F_TLOCK       = 2;
 441     const F_TEST        = 3;
 442 }
 443 else version( freebsd )
 444 {
 445     const F_OK          = 0;
 446     const R_OK          = 0x04;
 447     const W_OK          = 0x02;
 448     const X_OK          = 0x01;
 449
 450     const F_ULOCK       = 0;
 451     const F_LOCK        = 1;
 452     const F_TLOCK       = 2;
 453     const F_TEST        = 3;
 454 }
 455
 456 //
 457 // File Synchronization (FSC)
 458 //
 459 /*
 460 int fsync(int);
 461 */
 462
 463 //
 464 // Synchronized I/O (SIO)
 465 //
 466 /*
 467 int fdatasync(int);
 468 */
 469
 470 //
 471 // XOpen (XSI)
 472 //
 473 /*
 474 char*      crypt(in char*, in char*);
 475 char*      ctermid(char*);
 476 void       encrypt(char[64], int);
 477 int        fchdir(int);
 478 c_long     gethostid();
 479 pid_t      getpgid(pid_t);
 480 pid_t      getsid(pid_t);
 481 char*      getwd(char*); // LEGACY
 482 int        lchown(in char*, uid_t, gid_t);
 483 int        lockf(int, int, off_t);
 484 int        nice(int);
 485 ssize_t    pread(int, void*, size_t, off_t);
 486 ssize_t    pwrite(int, in void*, size_t, off_t);
 487 pid_t      setpgrp();
 488 int        setregid(gid_t, gid_t);
 489 int        setreuid(uid_t, uid_t);
 490 void       swab(in void*, void*, ssize_t);
 491 void       sync();
 492 int        truncate(in char*, off_t);
 493 useconds_t ualarm(useconds_t, useconds_t);
 494 int        usleep(useconds_t);
 495 pid_t      vfork();
 496 */
 497
 498 version( linux )
 499 {
 500     char*      crypt(in char*, in char*);
 501     char*      ctermid(char*);
 502     void       encrypt(char[64], int);
 503     int        fchdir(int);
 504     c_long     gethostid();
 505     pid_t      getpgid(pid_t);
 506     pid_t      getsid(pid_t);
 507     char*      getwd(char*); // LEGACY
 508     int        lchown(in char*, uid_t, gid_t);
 509     //int        lockf(int, int, off_t);
 510     int        nice(int);
 511     //ssize_t    pread(int, void*, size_t, off_t);
 512     //ssize_t    pwrite(int, in void*, size_t, off_t);
 513     pid_t      setpgrp();
 514     int        setregid(gid_t, gid_t);
 515     int        setreuid(uid_t, uid_t);
 516     void       swab(in void*, void*, ssize_t);
 517     void       sync();
 518     //int        truncate(in char*, off_t);
 519     useconds_t ualarm(useconds_t, useconds_t);
 520     int        usleep(useconds_t);
 521     pid_t      vfork();
 522
 523   static if( __USE_LARGEFILE64 )
 524   {
 525     int        lockf64(int, int, off_t);
 526     alias      lockf64 lockf;
 527
 528     ssize_t    pread64(int, void*, size_t, off_t);
 529     alias      pread64 pread;
 530
 531     ssize_t    pwrite64(int, in void*, size_t, off_t);
 532     alias      pwrite64 pwrite;
 533
 534     int        truncate64(in char*, off_t);
 535     alias      truncate64 truncate;
 536   }
 537   else
 538   {
 539     int        lockf(int, int, off_t);
 540     ssize_t    pread(int, void*, size_t, off_t);
 541     ssize_t    pwrite(int, in void*, size_t, off_t);
 542     int        truncate(in char*, off_t);
 543   }
 544 }
 545 else version (darwin)
 546 {
 547     char*      crypt(in char*, in char*);
 548     char*      ctermid(char*);
 549     void       encrypt(char[64], int);
 550     int        fchdir(int);
 551     c_long     gethostid();
 552     pid_t      getpgid(pid_t);
 553     pid_t      getsid(pid_t);
 554     char*      getwd(char*); // LEGACY
 555     int        lchown(in char*, uid_t, gid_t);
 556     int        lockf(int, int, off_t);
 557     int        nice(int);
 558     ssize_t    pread(int, void*, size_t, off_t);
 559     ssize_t    pwrite(int, in void*, size_t, off_t);
 560     pid_t      setpgrp();
 561     int        setregid(gid_t, gid_t);
 562     int        setreuid(uid_t, uid_t);
 563     void       swab(in void*, void*, ssize_t);
 564     void       sync();
 565     int        truncate(in char*, off_t);
 566     useconds_t ualarm(useconds_t, useconds_t);
 567     int        usleep(useconds_t);
 568     pid_t      vfork();
 569 }
 570 else version (freebsd)
 571 {
 572     char*      crypt(in char*, in char*);
 573     //char*      ctermid(char*);
 574     void       encrypt(char*, int);
 575     int        fchdir(int);
 576     c_long     gethostid();
 577     int        getpgid(pid_t);
 578     int        getsid(pid_t);
 579     char*      getwd(char*); // LEGACY
 580     int        lchown(in char*, uid_t, gid_t);
 581     int        lockf(int, int, off_t);
 582     int        nice(int);
 583     ssize_t    pread(int, void*, size_t, off_t);
 584     ssize_t    pwrite(int, in void*, size_t, off_t);
 585     int        setpgrp(pid_t, pid_t);
 586     int        setregid(gid_t, gid_t);
 587     int        setreuid(uid_t, uid_t);
 588     void       swab(in void*, void*, ssize_t);
 589     void       sync();
 590     int        truncate(in char*, off_t);
 591     useconds_t ualarm(useconds_t, useconds_t);
 592     int        usleep(useconds_t);
 593     pid_t      vfork();
 594 }