bsd/sys/types.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  24 /*-
  25  * Copyright (c) 1982, 1986, 1991, 1993, 1994
  26  *      The Regents of the University of California.  All rights reserved.
  27  * (c) UNIX System Laboratories, Inc.
  28  * All or some portions of this file are derived from material licensed
  29  * to the University of California by American Telephone and Telegraph
  30  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  31  * the permission of UNIX System Laboratories, Inc.
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  * 3. All advertising materials mentioning features or use of this software
  42  *    must display the following acknowledgement:
  43  *      This product includes software developed by the University of
  44  *      California, Berkeley and its contributors.
  45  * 4. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)types.h     8.4 (Berkeley) 1/21/94
  62  */
  63
  64 #ifndef _SYS_TYPES_H_
  65 #define _SYS_TYPES_H_
  66
  67 #include <sys/appleapiopts.h>
  68
  69 #ifndef __ASSEMBLER__
  70 #include <sys/cdefs.h>
  71
  72 /* Machine type dependent parameters. */
  73 #include <machine/types.h>
  74 #include <sys/_types.h>
  75
  76 #include <machine/endian.h>
  77
  78 #ifndef _POSIX_C_SOURCE
  79 typedef unsigned char           u_char;
  80 typedef unsigned short          u_short;
  81 typedef unsigned int            u_int;
  82 #ifndef _U_LONG
  83 typedef unsigned long           u_long;
  84 #define _U_LONG
  85 #endif
  86 typedef unsigned short          ushort;         /* Sys V compatibility */
  87 typedef unsigned int            uint;           /* Sys V compatibility */
  88 #endif
  89
  90 typedef u_int64_t               u_quad_t;       /* quads */
  91 typedef int64_t                 quad_t;
  92 typedef quad_t *                qaddr_t;
  93
  94 typedef char *                  caddr_t;        /* core address */
  95 typedef int32_t                 daddr_t;        /* disk address */
  96
  97 #ifndef _DEV_T
  98 typedef __darwin_dev_t          dev_t;          /* device number */
  99 #define _DEV_T
 100 #endif
 101
 102 typedef u_int32_t               fixpt_t;        /* fixed point number */
 103
 104 #ifndef _BLKCNT_T
 105 typedef __darwin_blkcnt_t       blkcnt_t;
 106 #define _BLKCNT_T
 107 #endif
 108
 109 #ifndef _BLKSIZE_T
 110 typedef __darwin_blksize_t      blksize_t;
 111 #define _BLKSIZE_T
 112 #endif
 113
 114 #ifndef _GID_T
 115 typedef __darwin_gid_t          gid_t;
 116 #define _GID_T
 117 #endif
 118
 119 #ifndef _IN_ADDR_T
 120 #define _IN_ADDR_T
 121 typedef __uint32_t              in_addr_t;      /* base type for internet address */
 122 #endif
 123
 124 #ifndef _IN_PORT_T
 125 #define _IN_PORT_T
 126 typedef __uint16_t              in_port_t;
 127 #endif
 128
 129 #ifndef _INO_T
 130 typedef __darwin_ino_t          ino_t;          /* inode number */
 131 #define _INO_T
 132 #endif
 133
 134 #ifndef _KEY_T
 135 #define _KEY_T
 136 typedef __int32_t               key_t;          /* IPC key (for Sys V IPC) */
 137 #endif
 138
 139 #ifndef _MODE_T
 140 typedef __darwin_mode_t         mode_t;
 141 #define _MODE_T
 142 #endif
 143
 144 #ifndef _NLINK_T
 145 typedef __uint16_t              nlink_t;        /* link count */
 146 #define _NLINK_T
 147 #endif
 148
 149 #ifndef _ID_T
 150 #define _ID_T
 151 typedef __darwin_id_t           id_t;           /* can hold pid_t, gid_t, or uid_t */
 152 #endif
 153
 154 #ifndef _PID_T
 155 typedef __darwin_pid_t          pid_t;
 156 #define _PID_T
 157 #endif
 158
 159 #ifndef _OFF_T
 160 typedef __darwin_off_t          off_t;
 161 #define _OFF_T
 162 #endif
 163
 164 typedef int32_t                 segsz_t;        /* segment size */
 165 typedef int32_t                 swblk_t;        /* swap offset */
 166
 167 #ifndef _UID_T
 168 typedef __darwin_uid_t          uid_t;          /* user id */
 169 #define _UID_T
 170 #endif
 171
 172 #ifndef _ID_T
 173 typedef __darwin_id_t           id_t;
 174 #define _ID_T
 175 #endif
 176
 177 #ifndef _POSIX_C_SOURCE
 178 /* Major, minor numbers, dev_t's. */
 179 #define major(x)        ((int32_t)(((u_int32_t)(x) >> 24) & 0xff))
 180 #define minor(x)        ((int32_t)((x) & 0xffffff))
 181 #define makedev(x,y)    ((dev_t)(((x) << 24) | (y)))
 182 #endif
 183
 184 #ifndef _CLOCK_T
 185 #define _CLOCK_T
 186 typedef __darwin_clock_t        clock_t;
 187 #endif
 188
 189 #ifndef _SIZE_T
 190 #define _SIZE_T
 191 /* DO NOT REMOVE THIS COMMENT: fixincludes needs to see
 192  * _GCC_SIZE_T */
 193 typedef __darwin_size_t         size_t;
 194 #endif
 195
 196 #ifndef _SSIZE_T
 197 #define _SSIZE_T
 198 typedef __darwin_ssize_t        ssize_t;
 199 #endif
 200
 201 #ifndef _TIME_T
 202 #define _TIME_T
 203 typedef __darwin_time_t         time_t;
 204 #endif
 205
 206 #ifndef _USECONDS_T
 207 #define _USECONDS_T
 208 typedef __darwin_useconds_t     useconds_t;
 209 #endif
 210
 211 #ifndef _SUSECONDS_T
 212 #define _SUSECONDS_T
 213 typedef __darwin_suseconds_t    suseconds_t;
 214 #endif
 215
 216 #ifndef _POSIX_C_SOURCE
 217 /*
 218  * This code is present here in order to maintain historical backward
 219  * compatability, and is intended to be removed at some point in the
 220  * future; please include <sys/select.h> instead.
 221  */
 222 #define NBBY            8                               /* bits in a byte */
 223 #define NFDBITS (sizeof(__int32_t) * NBBY)              /* bits per mask */
 224 #define howmany(x, y)   (((x) + ((y) - 1)) / (y))       /* # y's == x bits? */
 225 typedef __int32_t       fd_mask;
 226
 227
 228 /*
 229  * Note:        We use _FD_SET to protect all select related
 230  *              types and macros
 231  */
 232 #ifndef _FD_SET
 233 #define _FD_SET
 234
 235 /*
 236  * Select uses bit masks of file descriptors in longs.  These macros
 237  * manipulate such bit fields (the filesystem macros use chars).  The
 238  * extra protection here is to permit application redefinition above
 239  * the default size.
 240  */
 241 #ifndef FD_SETSIZE
 242 #define FD_SETSIZE      1024
 243 #endif
 244
 245 #define __DARWIN_NBBY   8                               /* bits in a byte */
 246 #define __DARWIN_NFDBITS        (sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */
 247 #define __DARWIN_howmany(x, y) (((x) + ((y) - 1)) / (y))        /* # y's == x bits? */
 248
 249 __BEGIN_DECLS
 250 typedef struct fd_set {
 251         __int32_t       fds_bits[__DARWIN_howmany(FD_SETSIZE, __DARWIN_NFDBITS)];
 252 } fd_set;
 253 __END_DECLS
 254
 255 #define FD_SET(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] |= (1<<((n) % __DARWIN_NFDBITS)))
 256 #define FD_CLR(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] &= ~(1<<((n) % __DARWIN_NFDBITS)))
 257 #define FD_ISSET(n, p)  ((p)->fds_bits[(n)/__DARWIN_NFDBITS] & (1<<((n) % __DARWIN_NFDBITS)))
 258 #if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3
 259 /*
 260  * Use the built-in bzero function instead of the library version so that
 261  * we do not pollute the namespace or introduce prototype warnings.
 262  */
 263 #define FD_ZERO(p)      __builtin_bzero(p, sizeof(*(p)))
 264 #else
 265 #define FD_ZERO(p)      bzero(p, sizeof(*(p)))
 266 #endif
 267 #ifndef _POSIX_C_SOURCE
 268 #define FD_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
 269 #endif  /* !_POSIX_C_SOURCE */
 270
 271 #endif  /* !_FD_SET */
 272
 273
 274 #if defined(__STDC__) && defined(KERNEL)
 275 /*
 276  * Forward structure declarations for function prototypes.  We include the
 277  * common structures that cross subsystem boundaries here; others are mostly
 278  * used in the same place that the structure is defined.
 279  */
 280 struct  proc;
 281 struct  pgrp;
 282 struct  ucred;
 283 struct  rusage;
 284 struct  file;
 285 struct  buf;
 286 struct  tty;
 287 struct  uio;
 288 #endif
 289
 290 #endif /* !_POSIX_C_SOURCE */
 291 #endif /* __ASSEMBLER__ */
 292
 293 #ifndef __POSIX_LIB__
 294
 295 #ifndef _PTHREAD_ATTR_T
 296 #define _PTHREAD_ATTR_T
 297 typedef __darwin_pthread_attr_t         pthread_attr_t;
 298 #endif
 299 #ifndef _PTHREAD_COND_T
 300 #define _PTHREAD_COND_T
 301 typedef __darwin_pthread_cond_t         pthread_cond_t;
 302 #endif
 303 #ifndef _PTHREAD_CONDATTR_T
 304 #define _PTHREAD_CONDATTR_T
 305 typedef __darwin_pthread_condattr_t     pthread_condattr_t;
 306 #endif
 307 #ifndef _PTHREAD_MUTEX_T
 308 #define _PTHREAD_MUTEX_T
 309 typedef __darwin_pthread_mutex_t        pthread_mutex_t;
 310 #endif
 311 #ifndef _PTHREAD_MUTEXATTR_T
 312 #define _PTHREAD_MUTEXATTR_T
 313 typedef __darwin_pthread_mutexattr_t    pthread_mutexattr_t;
 314 #endif
 315 #ifndef _PTHREAD_ONCE_T
 316 #define _PTHREAD_ONCE_T
 317 typedef __darwin_pthread_once_t         pthread_once_t;
 318 #endif
 319 #ifndef _PTHREAD_RWLOCK_T
 320 #define _PTHREAD_RWLOCK_T
 321 typedef __darwin_pthread_rwlock_t       pthread_rwlock_t;
 322 #endif
 323 #ifndef _PTHREAD_RWLOCKATTR_T
 324 #define _PTHREAD_RWLOCKATTR_T
 325 typedef __darwin_pthread_rwlockattr_t   pthread_rwlockattr_t;
 326 #endif
 327 #ifndef _PTHREAD_T
 328 #define _PTHREAD_T
 329 typedef __darwin_pthread_t              pthread_t;
 330 #endif
 331
 332 #endif /* __POSIX_LIB__ */
 333
 334 #ifndef _PTHREAD_KEY_T
 335 #define _PTHREAD_KEY_T
 336 typedef __darwin_pthread_key_t          pthread_key_t;
 337 #endif
 338
 339 /* statvfs and fstatvfs */
 340 #ifndef _FSBLKCNT_T
 341 #define _FSBLKCNT_T
 342 typedef __darwin_fsblkcnt_t             fsblkcnt_t;
 343 #endif
 344
 345 #ifndef _FSFILCNT_T
 346 #define _FSFILCNT_T
 347 typedef __darwin_fsfilcnt_t             fsfilcnt_t;
 348 #endif
 349
 350 #endif /* !_SYS_TYPES_H_ */