compiler/clib/include/unistd.h

   1 #ifndef _UNISTD_H_
   2 #define _UNISTD_H_
   3
   4 /*
   5     Copyright (C) 1995-2001, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: POSIX header file unistd.h
   9     Lang: english
  10 */
  11 #include <sys/_types.h>
  12 #include <sys/types.h>
  13
  14 /*
  15  * What version of POSIX things do we implement. We must define this before
  16  * including <sys/cdefs.h>
  17  */
  18 #define _POSIX_VERSION              200112L
  19 #define _POSIX2_VERSION             200112L
  20 #define _XOPEN_VERSION              600
  21
  22 #include <sys/cdefs.h>
  23
  24 /*
  25    POSIX options and option groups:
  26     These inform the program what POSIX options this system implements. In
  27     general we don't implement any of them, when we do, the value can be
  28     changed.
  29
  30     Valid values are:
  31         -1              unimplemented
  32         0               implemented, but must check at run time
  33         >0              implemented always
  34  */
  35
  36 #define _POSIX_ADVISORY_INFO                -1
  37 #define _POSIX_ASYNCHRONOUS_IO              -1
  38 #define _POSIX_BARRIERS                     -1
  39 #define _POSIX_CHOWN_RESTRICTED             0
  40 #define _POSIX_CLOCK_SELECTION              -1
  41 #define _POSIX_CPUTIME                      -1
  42 #define _POSIX_FSYNC                        -1
  43 #define _POSIX_IPV6                         -1
  44 #define _POSIX_JOB_CONTROL                  0
  45 #define _POSIX_MAPPED_FILES                 -1
  46 #define _POSIX_MEMLOCK                      -1
  47 #define _POSIX_MEMLOCK_RANGE                -1
  48 #define _POSIX_MEMORY_PROTECTION            -1
  49 #define _POSIX_MESSAGE_PASSING              -1
  50 #define _POSIX_MONOTONIC_CLOCK              -1
  51 #define _POSIX_NO_TRUNC                     1
  52 #define _POSIX_PRIORITIZED_IO               -1
  53 #define _POSIX_PRIORITY_SCHEDULING          -1
  54 #define _POSIX_RAW_SOCKETS                  -1
  55 #define _POSIX_READER_WRITER_LOCKS          -1
  56 #define _POSIX_REALTIME_SIGNALS             -1
  57 #define _POSIX_REGEXP                       0
  58 #define _POSIX_SAVED_IDS                    1       /* XXX: MUST IMPLEMENT */
  59 #define _POSIX_SEMAPHORES                   -1
  60 #define _POSIX_SHARED_MEMORY_OBJECTS        -1
  61 #define _POSIX_SHELL                        1       /* XXX: MUST IMPLEMENT */
  62 #define _POSIX_SPAWN                        -1
  63 #define _POSIX_SPIN_LOCKS                   -1
  64 #define _POSIX_SPORADIC_SERVER              -1
  65 #define _POSIX_SYNCHRONIZED_IO              -1
  66 #define _POSIX_THREAD_ATTR_STACKADDR        -1
  67 #define _POSIX_THREAD_ATTR_STACKSIZE        -1
  68 #define _POSIX_THREAD_CPUTIME               -1
  69 #define _POSIX_THREAD_PRIO_INHERIT          -1
  70 #define _POSIX_THREAD_PRIO_PROTECT          -1
  71 #define _POSIX_THREAD_PRIORITY_SCHEDULING   -1
  72 #define _POSIX_THREAD_PROCESS_SHARED        -1
  73 #define _POSIX_THREAD_SAFE_FUNCTIONS        -1
  74 #define _POSIX_THREAD_SPORADIC_SERVER       -1
  75 #define _POSIX_THREADS                      -1
  76 #define _POSIX_TIMEOUTS                     -1
  77 #define _POSIX_TIMERS                       -1
  78 #define _POSIX_TRACE                        -1
  79 #define _POSIX_TRACE_EVENT_FILTER           -1
  80 #define _POSIX_TRACE_INHERIT                -1
  81 #define _POSIX_TRACE_LOG                    -1
  82 #define _POSIX_TYPED_MEMORY_OBJECTS         -1
  83 #define _POSIX_VDISABLE                     0xff
  84 #define _POSIX2_C_BIND                      200112L
  85 #define _POSIX2_C_DEV                       -1          /* need c99 utility */
  86 #define _POSIX2_CHAR_TERM                   -1
  87 #define _POSIX2_FORT_DEV                    -1
  88 #define _POSIX2_FORT_RUN                    -1
  89 #define _POSIX2_LOCALEDEF                   -1
  90 #define _POSIX2_PBS                         -1
  91 #define _POSIX2_PBS_ACCOUNTING              -1
  92 #define _POSIX2_PBS_CHECKPOINT              -1
  93 #define _POSIX2_PBS_LOCATE                  -1
  94 #define _POSIX2_PBS_MESSAGE                 -1
  95 #define _POSIX2_PBS_TRACK                   -1
  96 #define _POSIX2_SW_DEV                      -1          /* XXX */
  97 #define _POSIX2_UPE                         200112L
  98
  99 #define _V6_ILP32_OFF32                     0
 100 #define _V6_ILP32_OFFBIG                    -1
 101 #define _V6_LP64_OFF64                      -1
 102 #define _V6_LPBIG_OFFBIG                    -1
 103
 104 #if __XSI_VISIBLE
 105 #define _XOPEN_CRYPT                        -1
 106 #define _XOPEN_ENH_I18N                     -1
 107 #define _XOPEN_LEGACY                       -1
 108 #define _XOPEN_REALTIME                     -1
 109 #define _XOPEN_REALTIME_THREADS             -1
 110 #define _XOPEN_SHM                          -1
 111 #define _XOPEN_STREAMS                      -1
 112 #define _XOPEN_UNIX                         -1
 113 #endif
 114
 115 #define __need_NULL
 116 #define __need_size_t
 117 #include <stddef.h>
 118
 119 #ifndef __AROS_GID_T_DECLARED
 120 #define __AROS_GID_T_DECLARED
 121 typedef __gid_t     gid_t;
 122 #endif
 123
 124 #ifndef __AROS_INTPTR_T_DECLARED
 125 #define __AROS_INTPTR_T_DECLARED
 126 typedef __intptr_t  intptr_t;
 127 #endif
 128
 129 #ifndef __AROS_OFF_T_DECLARED
 130 #define __AROS_OFF_T_DECLARED
 131 typedef __off_t     off_t;
 132 #endif
 133
 134 #ifndef __AROS_PID_T_DECLARED
 135 #define __AROS_PID_T_DECLARED
 136 typedef __pid_t     pid_t;
 137 #endif
 138
 139 #ifndef __AROS_SSIZE_T_DECLARED
 140 #define __AROS_SSIZE_T_DECLARED
 141 typedef __ssize_t   ssize_t;
 142 #endif
 143
 144 #ifndef __AROS_UID_T_DECLARED
 145 #define __AROS_UID_T_DECLARED
 146 typedef __uid_t     uid_t;
 147 #endif
 148
 149 #ifndef __AROS_USECONDS_T_DECLARED
 150 #define __AROS_USECONDS_T_DECLARED
 151 typedef __useconds_t    useconds_t;
 152 #endif
 153
 154 /*
 155     Values for the second argument to access.
 156    These may be OR'd together.
 157 */
 158 #define R_OK    4               /* Test for read permission.  */
 159 #define W_OK    2               /* Test for write permission.  */
 160 #define X_OK    1               /* Test for execute permission.  */
 161 #define F_OK    0               /* Test for existence.  */
 162
 163 /*
 164     XXX Arguments for confstr()
 165 */
 166
 167 #define SEEK_SET    0           /* standard input file descriptor */
 168 #define SEEK_CUR    1           /* standard output file descriptor */
 169 #define SEEK_END    2           /* standard error file descriptor */
 170
 171 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
 172 #define F_LOCK      0
 173 #define F_TEST      1
 174 #define F_TLOCK     2
 175 #define F_ULOCK     3
 176 #endif
 177
 178 /*
 179     XXX Arguments for pathconf()
 180     XXX Arguments for sysconf()
 181 */
 182
 183 #define STDIN_FILENO                        0
 184 #define STDOUT_FILENO                       1
 185 #define STDERR_FILENO                       2
 186
 187 __BEGIN_DECLS
 188
 189 /* Prototypes */
 190 int         access(const char *path, int mode);
 191 /* NOTIMPL unsigned    alarm(unsigned); */
 192 int         chdir(const char *path);
 193 int         chown(const char *path, uid_t owner, gid_t group);
 194 int         close(int fd);
 195 int         dup(int oldfd);
 196 int         dup2(int oldfd, int newfd);
 197 int         execl(const char *path, const char *arg, ...);
 198 /* NOTIMPL int         execle(const char *path, const char *arg, ...); */
 199 int         execlp(const char *path, const char *arg, ...);
 200 int         execv(const char *path, char *const argv[]);
 201 int         execve(const char *path, char *const argv[], char *const envp[]);
 202 int         execvp(const char *path, char *const argv[]);
 203 void        _exit(int) __noreturn;
 204 /* NOTIMPL long        fpathconf(int fd, int name); */
 205 char        *getcwd(char *buf, size_t size);
 206 gid_t       getegid(void);
 207 uid_t       geteuid(void);
 208 gid_t       getgid(void);
 209 int         getgroups(int gidsetlen, gid_t *gidset);
 210 char        *getlogin(void);
 211 pid_t       getpgrp(void);
 212 pid_t       getpid(void);
 213 pid_t       getppid(void);
 214 uid_t       getuid(void);
 215 int         isatty(int fd);
 216 int         link(const char *name1, const char *name2);
 217 off_t       lseek(int filedes, off_t offset, int whence);
 218 /* NOTIMPL long        pathconf(const char *path, int name); */
 219 /* NOTIMPL int         pause(void); */
 220 int         pipe(int filedes[2]);
 221 ssize_t     read(int d, void *buf, size_t nbytes);
 222 int         rmdir(const char *path);
 223 int         setgid(gid_t gid);
 224 /* NOTIMPL int         setpgid(pid_t pid, pid_t pgrp); */
 225 /* NOTIMPL pid_t       setsid(void); */
 226 int         setuid(uid_t uid);
 227 unsigned    sleep(unsigned);
 228 /* NOTIMPL long        sysconf(int name); */
 229 /* NOTIMPL pid_t       tcgetpgrp(int fd); */
 230 /* NOTIMPL int         tcsetpgrp(int fd, pid_t pgrp_id); */
 231 char        *ttyname(int fd);
 232 /* NOTIMPL int         ttyname_r(int fd, char *buf, size_t len); */
 233 int         unlink(const char *path);
 234 ssize_t     write(int fd, const void *buf, size_t nbytes);
 235
 236 #if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE
 237 /* NOTIMPL size_t      confstr(int name, char *buf, size_t len); */
 238 int         getopt(int argc, char * const argv[], const char *optstring);
 239
 240 extern char *optarg;
 241 extern int  optind, opterr, optopt;
 242 #endif
 243
 244 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
 245 int         fsync(int fd);
 246 int         ftruncate(int fd, off_t length);
 247 #endif
 248
 249 #if __POSIX_VISIBLE >= 199506
 250 /* NOTIMPL int         getlogin_r(char *name, int len); */
 251 #endif
 252
 253 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
 254 int         fchown(int fd, uid_t owner, gid_t group);
 255 ssize_t     readlink(const char * restrict path, char * restrict buf, size_t bufsize);
 256 #endif
 257
 258 #if __POSIX_VISIBLE >= 200112
 259 /* NOTIMPL int         gethostname(char *name, size_t namelen); */
 260 /* NOTIMPL int         setegid(gid_t egid); */
 261 /* NOTIMPL int         seteuid(uid_t euid); */
 262 #endif
 263
 264 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE
 265 int         symlink(const char *name1, const char *name2);
 266 #endif
 267
 268 #if __XSI_VISIBLE
 269 /* NOTIMPL char        *crypt(const char *key, const char *salt); */
 270 /* NOTIMPL char        *ctermid(char *buf); */
 271 /* NOTIMPL void        encrypt(char block[64], int flag); */
 272 int         fchdir(int fd);
 273 /* NOTIMPL long        gethostid(void); */
 274 /* NOTIMPL pid_t       getpgid(pid_t); */
 275 /* NOTIMPL pid_t       getsid(pid_t pid); */
 276 /* NOTIMPL int         lchown(const char *path, uid_t owner, gid_t group); */
 277 /* NOTIMPL int         lockf(int filedes, int function, off_t size); */
 278 /* NOTIMPL int         nice(int incr); */
 279 /* NOTIMPL ssize_t     pread(int d, void *buf, size_t nbytes, off_t offset); */
 280 /* NOTIMPL ssize_t     pwrite(int d, const void *buf, size_t nbytes, off_t offset); */
 281 /* NOTIMPL int         setpgrp(pid_t pid, pid_t pgrp); */
 282 /* NOTIMPL int         setregid(gid_t rgid, gid_t egid); */
 283 /* NOTIMPL int         setreuid(uid_t ruid, uid_t euid); */
 284 void        swab(const void * restrict src, void * restrict dst, size_t len);
 285 /* NOTIMPL void        sync(void); */
 286 int         truncate(const char *path, off_t length);
 287 /* NOTIMPL useconds_t  ualarm(useconds_t microseconds, useconds_t interval); */
 288 int         usleep(useconds_t microseconds);
 289 pid_t       vfork(void);
 290 #endif
 291
 292 void        sharecontextwithchild(int share); /* AROS specific call */
 293 #if __POSIX_VERSION >= 200112
 294 /* NOTIMPL int         fdatasync(int fd); */
 295 #endif
 296
 297 __END_DECLS
 298
 299 /* The environ variable in AROS is not initialized by default. If you
 300    want to get environment variables from it, you have to initialize
 301    it manually first, for example by using __env_get_environ function. */
 302
 303 #include <sys/arosc.h>
 304 __pure static __inline__ char ***__get_environ_ptr(void);
 305 __pure static __inline__ char ***__get_environ_ptr(void)
 306 {
 307     return &__get_arosc_userdata()->acud_environ;
 308 }
 309
 310 #define environ (*__get_environ_ptr())
 311
 312 #endif /* _UNISTD_H_ */