bsd/sys/types.h

   1 /*
   2  * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  31 /*-
  32  * Copyright (c) 1982, 1986, 1991, 1993, 1994
  33  *      The Regents of the University of California.  All rights reserved.
  34  * (c) UNIX System Laboratories, Inc.
  35  * All or some portions of this file are derived from material licensed
  36  * to the University of California by American Telephone and Telegraph
  37  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  38  * the permission of UNIX System Laboratories, Inc.
  39  *
  40  * Redistribution and use in source and binary forms, with or without
  41  * modification, are permitted provided that the following conditions
  42  * are met:
  43  * 1. Redistributions of source code must retain the above copyright
  44  *    notice, this list of conditions and the following disclaimer.
  45  * 2. Redistributions in binary form must reproduce the above copyright
  46  *    notice, this list of conditions and the following disclaimer in the
  47  *    documentation and/or other materials provided with the distribution.
  48  * 3. All advertising materials mentioning features or use of this software
  49  *    must display the following acknowledgement:
  50  *      This product includes software developed by the University of
  51  *      California, Berkeley and its contributors.
  52  * 4. Neither the name of the University nor the names of its contributors
  53  *    may be used to endorse or promote products derived from this software
  54  *    without specific prior written permission.
  55  *
  56  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  57  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  58  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  59  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  60  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  61  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  62  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  63  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  64  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  65  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  66  * SUCH DAMAGE.
  67  *
  68  *      @(#)types.h     8.4 (Berkeley) 1/21/94
  69  */
  70
  71 #ifndef _SYS_TYPES_H_
  72 #define _SYS_TYPES_H_
  73
  74 #include <sys/appleapiopts.h>
  75
  76 #ifndef __ASSEMBLER__
  77 #include <sys/cdefs.h>
  78
  79 /* Machine type dependent parameters. */
  80 #include <machine/types.h>
  81 #include <sys/_types.h>
  82
  83 #include <machine/endian.h>
  84
  85 #ifndef _POSIX_C_SOURCE
  86 typedef unsigned char           u_char;
  87 typedef unsigned short          u_short;
  88 typedef unsigned int            u_int;
  89 #ifndef _U_LONG
  90 typedef unsigned long           u_long;
  91 #define _U_LONG
  92 #endif
  93 typedef unsigned short          ushort;         /* Sys V compatibility */
  94 typedef unsigned int            uint;           /* Sys V compatibility */
  95 #endif
  96
  97 typedef u_int64_t               u_quad_t;       /* quads */
  98 typedef int64_t                 quad_t;
  99 typedef quad_t *                qaddr_t;
 100
 101 typedef char *                  caddr_t;        /* core address */
 102 typedef int32_t                 daddr_t;        /* disk address */
 103
 104 #ifndef _DEV_T
 105 typedef __darwin_dev_t          dev_t;          /* device number */
 106 #define _DEV_T
 107 #endif
 108
 109 typedef u_int32_t               fixpt_t;        /* fixed point number */
 110
 111 #ifndef _BLKCNT_T
 112 typedef __darwin_blkcnt_t       blkcnt_t;
 113 #define _BLKCNT_T
 114 #endif
 115
 116 #ifndef _BLKSIZE_T
 117 typedef __darwin_blksize_t      blksize_t;
 118 #define _BLKSIZE_T
 119 #endif
 120
 121 #ifndef _GID_T
 122 typedef __darwin_gid_t          gid_t;
 123 #define _GID_T
 124 #endif
 125
 126 #ifndef _IN_ADDR_T
 127 #define _IN_ADDR_T
 128 typedef __uint32_t              in_addr_t;      /* base type for internet address */
 129 #endif
 130
 131 #ifndef _IN_PORT_T
 132 #define _IN_PORT_T
 133 typedef __uint16_t              in_port_t;
 134 #endif
 135
 136 #ifndef _INO_T
 137 typedef __darwin_ino_t          ino_t;          /* inode number */
 138 #define _INO_T
 139 #endif
 140
 141 #ifndef _KEY_T
 142 #define _KEY_T
 143 typedef __int32_t               key_t;          /* IPC key (for Sys V IPC) */
 144 #endif
 145
 146 #ifndef _MODE_T
 147 typedef __darwin_mode_t         mode_t;
 148 #define _MODE_T
 149 #endif
 150
 151 #ifndef _NLINK_T
 152 typedef __uint16_t              nlink_t;        /* link count */
 153 #define _NLINK_T
 154 #endif
 155
 156 #ifndef _ID_T
 157 #define _ID_T
 158 typedef __darwin_id_t           id_t;           /* can hold pid_t, gid_t, or uid_t */
 159 #endif
 160
 161 #ifndef _PID_T
 162 typedef __darwin_pid_t          pid_t;
 163 #define _PID_T
 164 #endif
 165
 166 #ifndef _OFF_T
 167 typedef __darwin_off_t          off_t;
 168 #define _OFF_T
 169 #endif
 170
 171 typedef int32_t                 segsz_t;        /* segment size */
 172 typedef int32_t                 swblk_t;        /* swap offset */
 173
 174 #ifndef _UID_T
 175 typedef __darwin_uid_t          uid_t;          /* user id */
 176 #define _UID_T
 177 #endif
 178
 179 #ifndef _ID_T
 180 typedef __darwin_id_t           id_t;
 181 #define _ID_T
 182 #endif
 183
 184 #ifndef _POSIX_C_SOURCE
 185 /* Major, minor numbers, dev_t's. */
 186 #define major(x)        ((int32_t)(((u_int32_t)(x) >> 24) & 0xff))
 187 #define minor(x)        ((int32_t)((x) & 0xffffff))
 188 #define makedev(x,y)    ((dev_t)(((x) << 24) | (y)))
 189 #endif
 190
 191 #ifndef _CLOCK_T
 192 #define _CLOCK_T
 193 typedef __darwin_clock_t        clock_t;
 194 #endif
 195
 196 #ifndef _SIZE_T
 197 #define _SIZE_T
 198 /* DO NOT REMOVE THIS COMMENT: fixincludes needs to see
 199  * _GCC_SIZE_T */
 200 typedef __darwin_size_t         size_t;
 201 #endif
 202
 203 #ifndef _SSIZE_T
 204 #define _SSIZE_T
 205 typedef __darwin_ssize_t        ssize_t;
 206 #endif
 207
 208 #ifndef _TIME_T
 209 #define _TIME_T
 210 typedef __darwin_time_t         time_t;
 211 #endif
 212
 213 #ifndef _USECONDS_T
 214 #define _USECONDS_T
 215 typedef __darwin_useconds_t     useconds_t;
 216 #endif
 217
 218 #ifndef _SUSECONDS_T
 219 #define _SUSECONDS_T
 220 typedef __darwin_suseconds_t    suseconds_t;
 221 #endif
 222
 223 #ifndef _POSIX_C_SOURCE
 224 /*
 225  * This code is present here in order to maintain historical backward
 226  * compatability, and is intended to be removed at some point in the
 227  * future; please include <sys/select.h> instead.
 228  */
 229 #define NBBY            8                               /* bits in a byte */
 230 #define NFDBITS (sizeof(__int32_t) * NBBY)              /* bits per mask */
 231 #define howmany(x, y)   (((x) + ((y) - 1)) / (y))       /* # y's == x bits? */
 232 typedef __int32_t       fd_mask;
 233
 234
 235 /*
 236  * Note:        We use _FD_SET to protect all select related
 237  *              types and macros
 238  */
 239 #ifndef _FD_SET
 240 #define _FD_SET
 241
 242 /*
 243  * Select uses bit masks of file descriptors in longs.  These macros
 244  * manipulate such bit fields (the filesystem macros use chars).  The
 245  * extra protection here is to permit application redefinition above
 246  * the default size.
 247  */
 248 #ifndef FD_SETSIZE
 249 #define FD_SETSIZE      1024
 250 #endif
 251
 252 #define __DARWIN_NBBY   8                               /* bits in a byte */
 253 #define __DARWIN_NFDBITS        (sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */
 254 #define __DARWIN_howmany(x, y) (((x) + ((y) - 1)) / (y))        /* # y's == x bits? */
 255
 256 __BEGIN_DECLS
 257 typedef struct fd_set {
 258         __int32_t       fds_bits[__DARWIN_howmany(FD_SETSIZE, __DARWIN_NFDBITS)];
 259 } fd_set;
 260 __END_DECLS
 261
 262 #define FD_SET(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] |= (1<<((n) % __DARWIN_NFDBITS)))
 263 #define FD_CLR(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] &= ~(1<<((n) % __DARWIN_NFDBITS)))
 264 #define FD_ISSET(n, p)  ((p)->fds_bits[(n)/__DARWIN_NFDBITS] & (1<<((n) % __DARWIN_NFDBITS)))
 265 #if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3
 266 /*
 267  * Use the built-in bzero function instead of the library version so that
 268  * we do not pollute the namespace or introduce prototype warnings.
 269  */
 270 #define FD_ZERO(p)      __builtin_bzero(p, sizeof(*(p)))
 271 #else
 272 #define FD_ZERO(p)      bzero(p, sizeof(*(p)))
 273 #endif
 274 #ifndef _POSIX_C_SOURCE
 275 #define FD_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
 276 #endif  /* !_POSIX_C_SOURCE */
 277
 278 #endif  /* !_FD_SET */
 279
 280
 281 #if defined(__STDC__) && defined(KERNEL)
 282 /*
 283  * Forward structure declarations for function prototypes.  We include the
 284  * common structures that cross subsystem boundaries here; others are mostly
 285  * used in the same place that the structure is defined.
 286  */
 287 struct  proc;
 288 struct  pgrp;
 289 struct  ucred;
 290 struct  rusage;
 291 struct  file;
 292 struct  buf;
 293 struct  tty;
 294 struct  uio;
 295 #endif
 296
 297 #endif /* !_POSIX_C_SOURCE */
 298 #endif /* __ASSEMBLER__ */
 299
 300 #ifndef __POSIX_LIB__
 301
 302 #ifndef _PTHREAD_ATTR_T
 303 #define _PTHREAD_ATTR_T
 304 typedef __darwin_pthread_attr_t         pthread_attr_t;
 305 #endif
 306 #ifndef _PTHREAD_COND_T
 307 #define _PTHREAD_COND_T
 308 typedef __darwin_pthread_cond_t         pthread_cond_t;
 309 #endif
 310 #ifndef _PTHREAD_CONDATTR_T
 311 #define _PTHREAD_CONDATTR_T
 312 typedef __darwin_pthread_condattr_t     pthread_condattr_t;
 313 #endif
 314 #ifndef _PTHREAD_MUTEX_T
 315 #define _PTHREAD_MUTEX_T
 316 typedef __darwin_pthread_mutex_t        pthread_mutex_t;
 317 #endif
 318 #ifndef _PTHREAD_MUTEXATTR_T
 319 #define _PTHREAD_MUTEXATTR_T
 320 typedef __darwin_pthread_mutexattr_t    pthread_mutexattr_t;
 321 #endif
 322 #ifndef _PTHREAD_ONCE_T
 323 #define _PTHREAD_ONCE_T
 324 typedef __darwin_pthread_once_t         pthread_once_t;
 325 #endif
 326 #ifndef _PTHREAD_RWLOCK_T
 327 #define _PTHREAD_RWLOCK_T
 328 typedef __darwin_pthread_rwlock_t       pthread_rwlock_t;
 329 #endif
 330 #ifndef _PTHREAD_RWLOCKATTR_T
 331 #define _PTHREAD_RWLOCKATTR_T
 332 typedef __darwin_pthread_rwlockattr_t   pthread_rwlockattr_t;
 333 #endif
 334 #ifndef _PTHREAD_T
 335 #define _PTHREAD_T
 336 typedef __darwin_pthread_t              pthread_t;
 337 #endif
 338
 339 #endif /* __POSIX_LIB__ */
 340
 341 #ifndef _PTHREAD_KEY_T
 342 #define _PTHREAD_KEY_T
 343 typedef __darwin_pthread_key_t          pthread_key_t;
 344 #endif
 345
 346 /* statvfs and fstatvfs */
 347 #ifndef _FSBLKCNT_T
 348 #define _FSBLKCNT_T
 349 typedef __darwin_fsblkcnt_t             fsblkcnt_t;
 350 #endif
 351
 352 #ifndef _FSFILCNT_T
 353 #define _FSFILCNT_T
 354 typedef __darwin_fsfilcnt_t             fsfilcnt_t;
 355 #endif
 356
 357 #endif /* !_SYS_TYPES_H_ */