1: #ifndef _SYS_UNISTD_H
   2: #define _SYS_UNISTD_H
   3: 
   4: #ifdef __cplusplus
   5: extern "C" {
   6: #endif
   7: 
   8: #include <_ansi.h>
   9: #include <sys/types.h>
  10: #include <sys/_types.h>
  11: #define __need_size_t
  12: #define __need_ptrdiff_t
  13: #include <stddef.h>
  14: 
  15: extern char **environ;
  16: 
  17: void  _EXFUN(_exit, (int __status ) _ATTRIBUTE ((noreturn)));
  18: 
  19: int _EXFUN(access,(const char *__path, int __amode ));
  20: unsigned  _EXFUN(alarm, (unsigned __secs ));
  21: int     _EXFUN(chdir, (const char *__path ));
  22: int     _EXFUN(chmod, (const char *__path, mode_t __mode ));
  23: #if !defined(__INSIDE_CYGWIN__)
  24: int     _EXFUN(chown, (const char *__path, uid_t __owner, gid_t __group ));
  25: #endif
  26: #if defined(__CYGWIN__) || defined(__rtems__)
  27: int     _EXFUN(chroot, (const char *__path ));
  28: #endif
  29: int     _EXFUN(close, (int __fildes ));
  30: char    _EXFUN(*ctermid, (char *__s ));
  31: char    _EXFUN(*cuserid, (char *__s ));
  32: #if defined(__CYGWIN__)
  33: int _EXFUN(daemon, (int nochdir, int noclose));
  34: #endif
  35: int     _EXFUN(dup, (int __fildes ));
  36: int     _EXFUN(dup2, (int __fildes, int __fildes2 ));
  37: #if defined(__CYGWIN__)
  38: void  _EXFUN(endusershell, (void));
  39: #endif
  40: int     _EXFUN(execl, (const char *__path, const char *, ... ));
  41: int     _EXFUN(execle, (const char *__path, const char *, ... ));
  42: int     _EXFUN(execlp, (const char *__file, const char *, ... ));
  43: int     _EXFUN(execv, (const char *__path, char * const __argv[] ));
  44: int     _EXFUN(execve, (const char *__path, char * const __argv[], char * const __envp[] ));
  45: int     _EXFUN(execvp, (const char *__file, char * const __argv[] ));
  46: #if defined(__CYGWIN__) || defined(__rtems__)
  47: int     _EXFUN(fchdir, (int __fildes));
  48: #endif
  49: int     _EXFUN(fchmod, (int __fildes, mode_t __mode ));
  50: #if !defined(__INSIDE_CYGWIN__)
  51: int     _EXFUN(fchown, (int __fildes, uid_t __owner, gid_t __group ));
  52: #endif
  53: pid_t   _EXFUN(fork, (void ));
  54: long    _EXFUN(fpathconf, (int __fd, int __name ));
  55: int     _EXFUN(fsync, (int __fd));
  56: #ifndef __CYGWIN__
  57: int     _EXFUN(fdatasync, (int __fd));
  58: #endif
  59: char    _EXFUN(*getcwd, (char *__buf, size_t __size ));
  60: #if defined(__CYGWIN__)
  61: int _EXFUN(getdomainname ,(char *__name, size_t __len));
  62: #endif
  63: #if !defined(__INSIDE_CYGWIN__)
  64: gid_t   _EXFUN(getegid, (void ));
  65: uid_t   _EXFUN(geteuid, (void ));
  66: gid_t   _EXFUN(getgid, (void ));
  67: #endif
  68: int     _EXFUN(getgroups, (int __gidsetsize, gid_t __grouplist[] ));
  69: #if defined(__CYGWIN__)
  70: long    _EXFUN(gethostid, (void));
  71: #endif
  72: char    _EXFUN(*getlogin, (void ));
  73: #if defined(_POSIX_THREAD_SAFE_FUNCTIONS)
  74: int _EXFUN(getlogin_r, (char *name, size_t namesize) );
  75: #endif
  76: char  _EXFUN(*getpass, (__const char *__prompt));
  77: size_t  _EXFUN(getpagesize, (void));
  78: pid_t   _EXFUN(getpgid, (pid_t));
  79: pid_t   _EXFUN(getpgrp, (void ));
  80: pid_t   _EXFUN(getpid, (void ));
  81: pid_t   _EXFUN(getppid, (void ));
  82: #ifdef __CYGWIN__
  83: pid_t   _EXFUN(getsid, (pid_t));
  84: #endif
  85: #if !defined(__INSIDE_CYGWIN__)
  86: uid_t   _EXFUN(getuid, (void ));
  87: #endif
  88: #ifdef __CYGWIN__
  89: char *  _EXFUN(getusershell, (void));
  90: char    _EXFUN(*getwd, (char *__buf ));
  91: int _EXFUN(iruserok, (unsigned long raddr, int superuser, const char *ruser, const char *luser));
  92: #endif
  93: int     _EXFUN(isatty, (int __fildes ));
  94: #if !defined(__INSIDE_CYGWIN__)
  95: int     _EXFUN(lchown, (const char *__path, uid_t __owner, gid_t __group ));
  96: #endif
  97: int     _EXFUN(link, (const char *__path1, const char *__path2 ));
  98: int _EXFUN(nice, (int __nice_value ));
  99: #if !defined(__INSIDE_CYGWIN__)
 100: off_t   _EXFUN(lseek, (int __fildes, off_t __offset, int __whence ));
 101: #endif
 102: long    _EXFUN(pathconf, (const char *__path, int __name ));
 103: int     _EXFUN(pause, (void ));
 104: #ifdef __CYGWIN__
 105: int _EXFUN(pthread_atfork, (void (*)(void), void (*)(void), void (*)(void)));
 106: #endif
 107: int     _EXFUN(pipe, (int __fildes[2] ));
 108: ssize_t _EXFUN(pread, (int __fd, void *__buf, size_t __nbytes, off_t __offset));
 109: ssize_t _EXFUN(pwrite, (int __fd, const void *__buf, size_t __nbytes, off_t __offset));
 110: _READ_WRITE_RETURN_TYPE _EXFUN(read, (int __fd, void *__buf, size_t __nbyte ));
 111: #if defined(__CYGWIN__)
 112: int _EXFUN(rresvport, (int *__alport));
 113: int _EXFUN(revoke, (char *__path));
 114: #endif
 115: int     _EXFUN(rmdir, (const char *__path ));
 116: #if defined(__CYGWIN__)
 117: int _EXFUN(ruserok, (const char *rhost, int superuser, const char *ruser, const char *luser));
 118: #endif
 119: void *  _EXFUN(sbrk,  (ptrdiff_t __incr));
 120: #if !defined(__INSIDE_CYGWIN__)
 121: #if defined(__CYGWIN__)
 122: int     _EXFUN(setegid, (gid_t __gid ));
 123: int     _EXFUN(seteuid, (uid_t __uid ));
 124: #endif
 125: int     _EXFUN(setgid, (gid_t __gid ));
 126: #endif
 127: #if defined(__CYGWIN__)
 128: int _EXFUN(setgroups, (int ngroups, const gid_t *grouplist ));
 129: #endif
 130: int     _EXFUN(setpgid, (pid_t __pid, pid_t __pgid ));
 131: int     _EXFUN(setpgrp, (void ));
 132: #if defined(__CYGWIN__) && !defined(__INSIDE_CYGWIN__)
 133: int _EXFUN(setregid, (gid_t __rgid, gid_t __egid));
 134: int _EXFUN(setreuid, (uid_t __ruid, uid_t __euid));
 135: #endif
 136: pid_t   _EXFUN(setsid, (void ));
 137: #if !defined(__INSIDE_CYGWIN__)
 138: int     _EXFUN(setuid, (uid_t __uid ));
 139: #endif
 140: #if defined(__CYGWIN__)
 141: void  _EXFUN(setusershell, (void));
 142: #endif
 143: unsigned _EXFUN(sleep, (unsigned int __seconds ));
 144: void    _EXFUN(swab, (const void *, void *, ssize_t));
 145: long    _EXFUN(sysconf, (int __name ));
 146: pid_t   _EXFUN(tcgetpgrp, (int __fildes ));
 147: int     _EXFUN(tcsetpgrp, (int __fildes, pid_t __pgrp_id ));
 148: char    _EXFUN(*ttyname, (int __fildes ));
 149: #if defined(__CYGWIN__)
 150: int     _EXFUN(ttyname_r, (int, char *, size_t)); 
 151: #endif
 152: int     _EXFUN(unlink, (const char *__path ));
 153: int     _EXFUN(vhangup, (void ));
 154: _READ_WRITE_RETURN_TYPE _EXFUN(write, (int __fd, const void *__buf, size_t __nbyte ));
 155: 
 156: #ifdef __CYGWIN__
 157: # define __UNISTD_GETOPT__
 158: # include <getopt.h>
 159: # undef __UNISTD_GETOPT__
 160: #else
 161: extern char *optarg;      /* getopt(3) external variables */
 162: extern int optind, opterr, optopt;
 163: int  getopt(int, char * const [], const char *);
 164: extern int optreset;      /* getopt(3) external variable */
 165: #endif
 166: 
 167: #ifndef        _POSIX_SOURCE
 168: pid_t   _EXFUN(vfork, (void ));
 169: 
 170: extern char *suboptarg;     /* getsubopt(3) external variable */
 171: int  getsubopt(char **, char * const *, char **);
 172: #endif /* _POSIX_SOURCE */
 173: 
 174: #ifdef _COMPILING_NEWLIB
 175: /* Provide prototypes for most of the _<systemcall> names that are
 176:    provided in newlib for some compilers.  */
 177: int     _EXFUN(_close, (int __fildes ));
 178: pid_t   _EXFUN(_fork, (void ));
 179: pid_t   _EXFUN(_getpid, (void ));
 180: int     _EXFUN(_link, (const char *__path1, const char *__path2 ));
 181: _off_t   _EXFUN(_lseek, (int __fildes, _off_t __offset, int __whence ));
 182: #ifdef __LARGE64_FILES
 183: _off64_t _EXFUN(_lseek64, (int __filedes, _off64_t __offset, int __whence ));
 184: #endif
 185: _READ_WRITE_RETURN_TYPE _EXFUN(_read, (int __fd, void *__buf, size_t __nbyte ));
 186: void *  _EXFUN(_sbrk,  (ptrdiff_t __incr));
 187: int     _EXFUN(_unlink, (const char *__path ));
 188: _READ_WRITE_RETURN_TYPE _EXFUN(_write, (int __fd, const void *__buf, size_t __nbyte ));
 189: int     _EXFUN(_execve, (const char *__path, char * const __argv[], char * const __envp[] ));
 190: #endif
 191: 
 192: #if defined(__CYGWIN__) || defined(__rtems__) || defined(__sh__)
 193: #if !defined(__INSIDE_CYGWIN__)
 194: int     _EXFUN(ftruncate, (int __fd, off_t __length));
 195: int     _EXFUN(truncate, (const char *, off_t __length));
 196: #endif
 197: #endif
 198: #if defined(__CYGWIN__) || defined(__rtems__)
 199: int _EXFUN(getdtablesize, (void));
 200: int _EXFUN(setdtablesize, (int));
 201: useconds_t _EXFUN(ualarm, (useconds_t __useconds, useconds_t __interval));
 202: unsigned _EXFUN(usleep, (unsigned int __useconds));
 203: #if !(defined  (_WINSOCK_H) || defined (__USE_W32_SOCKETS))
 204: /* winsock[2].h defines as __stdcall, and with int as 2nd arg */
 205:  int  _EXFUN(gethostname, (char *__name, size_t __len));
 206: #endif
 207: char *  _EXFUN(mktemp, (char *));
 208: #if defined(__CYGWIN__)
 209: void    _EXFUN(sync, (void));
 210: #else /* defined(__rtems__) */
 211: int     _EXFUN(sync, (void));
 212: #endif
 213: int     _EXFUN(readlink, (const char *__path, char *__buf, int __buflen));
 214: int     _EXFUN(symlink, (const char *__name1, const char *__name2));
 215: #endif
 216: 
 217: #define F_OK  0
 218: #define R_OK  4
 219: #define W_OK  2
 220: #define X_OK  1
 221: 
 222: # define  SEEK_SET  0
 223: # define  SEEK_CUR  1
 224: # define  SEEK_END  2
 225: 
 226: #include <sys/features.h>
 227: 
 228: #define STDIN_FILENO    0       /* standard input file descriptor */
 229: #define STDOUT_FILENO   1       /* standard output file descriptor */
 230: #define STDERR_FILENO   2       /* standard error file descriptor */
 231: 
 232: /*
 233:  *  4.8.1 Get Configurable System Variables, P1003.1b-1993, p. 96
 234:  *
 235:  *  NOTE: Table 4-2, Configurable System Variables, p. 96
 236:  */
 237: 
 238: #define _SC_ARG_MAX                 0
 239: #define _SC_CHILD_MAX               1
 240: #define _SC_CLK_TCK                 2
 241: #define _SC_NGROUPS_MAX             3
 242: #define _SC_OPEN_MAX                4
 243:   /* no _SC_STREAM_MAX */
 244: #define _SC_JOB_CONTROL             5
 245: #define _SC_SAVED_IDS               6
 246: #define _SC_VERSION                 7
 247: #define _SC_PAGESIZE                8
 248: /* CYGWIN-specific values .. do not touch */
 249: #define _SC_NPROCESSORS_CONF        9
 250: #define _SC_NPROCESSORS_ONLN       10
 251: #define _SC_PHYS_PAGES             11
 252: #define _SC_AVPHYS_PAGES           12
 253: /* end of CYGWIN-specific values */
 254: #define _SC_MQ_OPEN_MAX            13
 255: #define _SC_MQ_PRIO_MAX            14
 256: #define _SC_RTSIG_MAX              15
 257: #define _SC_SEM_NSEMS_MAX          16
 258: #define _SC_SEM_VALUE_MAX          17
 259: #define _SC_SIGQUEUE_MAX           18
 260: #define _SC_TIMER_MAX              19
 261: #define _SC_TZNAME_MAX             20
 262: 
 263: #define _SC_ASYNCHRONOUS_IO        21
 264: #define _SC_FSYNC                  22
 265: #define _SC_MAPPED_FILES           23
 266: #define _SC_MEMLOCK                24
 267: #define _SC_MEMLOCK_RANGE          25
 268: #define _SC_MEMORY_PROTECTION      26
 269: #define _SC_MESSAGE_PASSING        27
 270: #define _SC_PRIORITIZED_IO         28
 271: #define _SC_REALTIME_SIGNALS       29
 272: #define _SC_SEMAPHORES             30
 273: #define _SC_SHARED_MEMORY_OBJECTS  31
 274: #define _SC_SYNCHRONIZED_IO        32
 275: #define _SC_TIMERS                 33
 276: #define _SC_AIO_LISTIO_MAX         34
 277: #define _SC_AIO_MAX                35
 278: #define _SC_AIO_PRIO_DELTA_MAX     36
 279: #define _SC_DELAYTIMER_MAX         37
 280: 
 281: /*
 282:  *  P1003.1c/D10, p. 52 adds the following.
 283:  */
 284: 
 285: #define _SC_THREAD_KEYS_MAX              38
 286: #define _SC_THREAD_STACK_MIN             39
 287: #define _SC_THREAD_THREADS_MAX           40
 288: #define _SC_TTY_NAME_MAX                 41
 289: 
 290: #define _SC_THREADS                      42
 291: #define _SC_THREAD_ATTR_STACKADDR        43
 292: #define _SC_THREAD_ATTR_STACKSIZE        44
 293: #define _SC_THREAD_PRIORITY_SCHEDULING   45
 294: #define _SC_THREAD_PRIO_INHERIT          46
 295: /* _SC_THREAD_PRIO_PROTECT was _SC_THREAD_PRIO_CEILING in early drafts */
 296: #define _SC_THREAD_PRIO_PROTECT          47
 297: #define _SC_THREAD_PRIO_CEILING          _SC_THREAD_PRIO_PROTECT
 298: #define _SC_THREAD_PROCESS_SHARED        48
 299: #define _SC_THREAD_SAFE_FUNCTIONS        49
 300: #define _SC_GETGR_R_SIZE_MAX             50
 301: #define _SC_GETPW_R_SIZE_MAX             51
 302: #define _SC_LOGIN_NAME_MAX               52
 303: #define _SC_THREAD_DESTRUCTOR_ITERATIONS 53
 304: 
 305: #if !defined(__CYGWIN__) && !defined(__rtems__)
 306: #define _SC_STREAM_MAX      100
 307: #define _SC_PRIORITY_SCHEDULING   101
 308: #endif
 309:   
 310: # define  _PC_LINK_MAX          0
 311: # define  _PC_MAX_CANON         1
 312: # define  _PC_MAX_INPUT         2
 313: # define  _PC_NAME_MAX          3
 314: # define  _PC_PATH_MAX          4
 315: # define  _PC_PIPE_BUF          5
 316: # define  _PC_CHOWN_RESTRICTED    6
 317: # define  _PC_NO_TRUNC          7
 318: # define  _PC_VDISABLE          8
 319: # define  _PC_ASYNC_IO            9
 320: # define  _PC_PRIO_IO            10
 321: # define  _PC_SYNC_IO            11
 322: #ifdef __CYGWIN__
 323: /* Ask for POSIX permission bits support. */
 324: # define  _PC_POSIX_PERMISSIONS   90
 325: /* Ask for full POSIX permission support including uid/gid settings. */
 326: # define  _PC_POSIX_SECURITY     91
 327: #endif
 328: 
 329: /* FIXME: This is temporary until winsup gets sorted out.  */
 330: #ifdef __CYGWIN__
 331: #define MAXPATHLEN (260 - 1 /* NUL */)
 332: #else
 333: # define  MAXPATHLEN  1024
 334: #endif
 335: 
 336: #ifdef __cplusplus
 337: }
 338: #endif
 339: #endif /* _SYS_UNISTD_H */
 340: