bsd/sys/types.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  23 /*-
  24  * Copyright (c) 1982, 1986, 1991, 1993, 1994
  25  *      The Regents of the University of California.  All rights reserved.
  26  * (c) UNIX System Laboratories, Inc.
  27  * All or some portions of this file are derived from material licensed
  28  * to the University of California by American Telephone and Telegraph
  29  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  30  * the permission of UNIX System Laboratories, Inc.
  31  *
  32  * Redistribution and use in source and binary forms, with or without
  33  * modification, are permitted provided that the following conditions
  34  * are met:
  35  * 1. Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  * 2. Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in the
  39  *    documentation and/or other materials provided with the distribution.
  40  * 3. All advertising materials mentioning features or use of this software
  41  *    must display the following acknowledgement:
  42  *      This product includes software developed by the University of
  43  *      California, Berkeley and its contributors.
  44  * 4. Neither the name of the University nor the names of its contributors
  45  *    may be used to endorse or promote products derived from this software
  46  *    without specific prior written permission.
  47  *
  48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  58  * SUCH DAMAGE.
  59  *
  60  *      @(#)types.h     8.4 (Berkeley) 1/21/94
  61  */
  62
  63 #ifndef _SYS_TYPES_H_
  64 #define _SYS_TYPES_H_
  65
  66 #include <sys/appleapiopts.h>
  67
  68 #ifndef __ASSEMBLER__
  69 #include <sys/cdefs.h>
  70
  71 /* Machine type dependent parameters. */
  72 #include <machine/types.h>
  73 #include <sys/_types.h>
  74
  75 #include <machine/endian.h>
  76
  77 #ifndef _POSIX_C_SOURCE
  78 typedef unsigned char           u_char;
  79 typedef unsigned short          u_short;
  80 typedef unsigned int            u_int;
  81 #ifndef _U_LONG
  82 typedef unsigned long           u_long;
  83 #define _U_LONG
  84 #endif
  85 typedef unsigned short          ushort;         /* Sys V compatibility */
  86 typedef unsigned int            uint;           /* Sys V compatibility */
  87 #endif
  88
  89 typedef u_int64_t               u_quad_t;       /* quads */
  90 typedef int64_t                 quad_t;
  91 typedef quad_t *                qaddr_t;
  92
  93 typedef char *                  caddr_t;        /* core address */
  94 typedef int32_t                 daddr_t;        /* disk address */
  95
  96 #ifndef _DEV_T
  97 typedef __darwin_dev_t          dev_t;          /* device number */
  98 #define _DEV_T
  99 #endif
 100
 101 typedef u_int32_t               fixpt_t;        /* fixed point number */
 102
 103 #ifndef _BLKCNT_T
 104 typedef __darwin_blkcnt_t       blkcnt_t;
 105 #define _BLKCNT_T
 106 #endif
 107
 108 #ifndef _BLKSIZE_T
 109 typedef __darwin_blksize_t      blksize_t;
 110 #define _BLKSIZE_T
 111 #endif
 112
 113 #ifndef _GID_T
 114 typedef __darwin_gid_t          gid_t;
 115 #define _GID_T
 116 #endif
 117
 118 #ifndef _IN_ADDR_T
 119 #define _IN_ADDR_T
 120 typedef __uint32_t              in_addr_t;      /* base type for internet address */
 121 #endif
 122
 123 #ifndef _IN_PORT_T
 124 #define _IN_PORT_T
 125 typedef __uint16_t              in_port_t;
 126 #endif
 127
 128 #ifndef _INO_T
 129 typedef __darwin_ino_t          ino_t;          /* inode number */
 130 #define _INO_T
 131 #endif
 132
 133 #ifndef _KEY_T
 134 #define _KEY_T
 135 typedef __int32_t               key_t;          /* IPC key (for Sys V IPC) */
 136 #endif
 137
 138 #ifndef _MODE_T
 139 typedef __darwin_mode_t         mode_t;
 140 #define _MODE_T
 141 #endif
 142
 143 #ifndef _NLINK_T
 144 typedef __uint16_t              nlink_t;        /* link count */
 145 #define _NLINK_T
 146 #endif
 147
 148 #ifndef _ID_T
 149 #define _ID_T
 150 typedef __darwin_id_t           id_t;           /* can hold pid_t, gid_t, or uid_t */
 151 #endif
 152
 153 #ifndef _PID_T
 154 typedef __darwin_pid_t          pid_t;
 155 #define _PID_T
 156 #endif
 157
 158 #ifndef _OFF_T
 159 typedef __darwin_off_t          off_t;
 160 #define _OFF_T
 161 #endif
 162
 163 typedef int32_t                 segsz_t;        /* segment size */
 164 typedef int32_t                 swblk_t;        /* swap offset */
 165
 166 #ifndef _UID_T
 167 typedef __darwin_uid_t          uid_t;          /* user id */
 168 #define _UID_T
 169 #endif
 170
 171 #ifndef _ID_T
 172 typedef __darwin_id_t           id_t;
 173 #define _ID_T
 174 #endif
 175
 176 #ifndef _POSIX_C_SOURCE
 177 /* Major, minor numbers, dev_t's. */
 178 #define major(x)        ((int32_t)(((u_int32_t)(x) >> 24) & 0xff))
 179 #define minor(x)        ((int32_t)((x) & 0xffffff))
 180 #define makedev(x,y)    ((dev_t)(((x) << 24) | (y)))
 181 #endif
 182
 183 #ifndef _CLOCK_T
 184 #define _CLOCK_T
 185 typedef __darwin_clock_t        clock_t;
 186 #endif
 187
 188 #ifndef _SIZE_T
 189 #define _SIZE_T
 190 /* DO NOT REMOVE THIS COMMENT: fixincludes needs to see
 191  * _GCC_SIZE_T */
 192 typedef __darwin_size_t         size_t;
 193 #endif
 194
 195 #ifndef _SSIZE_T
 196 #define _SSIZE_T
 197 typedef __darwin_ssize_t        ssize_t;
 198 #endif
 199
 200 #ifndef _TIME_T
 201 #define _TIME_T
 202 typedef __darwin_time_t         time_t;
 203 #endif
 204
 205 #ifndef _USECONDS_T
 206 #define _USECONDS_T
 207 typedef __darwin_useconds_t     useconds_t;
 208 #endif
 209
 210 #ifndef _SUSECONDS_T
 211 #define _SUSECONDS_T
 212 typedef __darwin_suseconds_t    suseconds_t;
 213 #endif
 214
 215 #ifndef _POSIX_C_SOURCE
 216 /*
 217  * This code is present here in order to maintain historical backward
 218  * compatability, and is intended to be removed at some point in the
 219  * future; please include <sys/select.h> instead.
 220  */
 221 #define NBBY            8                               /* bits in a byte */
 222 #define NFDBITS (sizeof(__int32_t) * NBBY)              /* bits per mask */
 223 #define howmany(x, y)   (((x) + ((y) - 1)) / (y))       /* # y's == x bits? */
 224 typedef __int32_t       fd_mask;
 225
 226
 227 /*
 228  * Note:        We use _FD_SET to protect all select related
 229  *              types and macros
 230  */
 231 #ifndef _FD_SET
 232 #define _FD_SET
 233
 234 /*
 235  * Select uses bit masks of file descriptors in longs.  These macros
 236  * manipulate such bit fields (the filesystem macros use chars).  The
 237  * extra protection here is to permit application redefinition above
 238  * the default size.
 239  */
 240 #ifndef FD_SETSIZE
 241 #define FD_SETSIZE      1024
 242 #endif
 243
 244 #define __DARWIN_NBBY   8                               /* bits in a byte */
 245 #define __DARWIN_NFDBITS        (sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */
 246 #define __DARWIN_howmany(x, y) (((x) + ((y) - 1)) / (y))        /* # y's == x bits? */
 247
 248 __BEGIN_DECLS
 249 typedef struct fd_set {
 250         __int32_t       fds_bits[__DARWIN_howmany(FD_SETSIZE, __DARWIN_NFDBITS)];
 251 } fd_set;
 252 __END_DECLS
 253
 254 #define FD_SET(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] |= (1<<((n) % __DARWIN_NFDBITS)))
 255 #define FD_CLR(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] &= ~(1<<((n) % __DARWIN_NFDBITS)))
 256 #define FD_ISSET(n, p)  ((p)->fds_bits[(n)/__DARWIN_NFDBITS] & (1<<((n) % __DARWIN_NFDBITS)))
 257 #if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3
 258 /*
 259  * Use the built-in bzero function instead of the library version so that
 260  * we do not pollute the namespace or introduce prototype warnings.
 261  */
 262 #define FD_ZERO(p)      __builtin_bzero(p, sizeof(*(p)))
 263 #else
 264 #define FD_ZERO(p)      bzero(p, sizeof(*(p)))
 265 #endif
 266 #ifndef _POSIX_C_SOURCE
 267 #define FD_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
 268 #endif  /* !_POSIX_C_SOURCE */
 269
 270 #endif  /* !_FD_SET */
 271
 272
 273 #if defined(__STDC__) && defined(KERNEL)
 274 /*
 275  * Forward structure declarations for function prototypes.  We include the
 276  * common structures that cross subsystem boundaries here; others are mostly
 277  * used in the same place that the structure is defined.
 278  */
 279 struct  proc;
 280 struct  pgrp;
 281 struct  ucred;
 282 struct  rusage;
 283 struct  file;
 284 struct  buf;
 285 struct  tty;
 286 struct  uio;
 287 #endif
 288
 289 #endif /* !_POSIX_C_SOURCE */
 290 #endif /* __ASSEMBLER__ */
 291
 292 #ifndef __POSIX_LIB__
 293
 294 #ifndef _PTHREAD_ATTR_T
 295 #define _PTHREAD_ATTR_T
 296 typedef __darwin_pthread_attr_t         pthread_attr_t;
 297 #endif
 298 #ifndef _PTHREAD_COND_T
 299 #define _PTHREAD_COND_T
 300 typedef __darwin_pthread_cond_t         pthread_cond_t;
 301 #endif
 302 #ifndef _PTHREAD_CONDATTR_T
 303 #define _PTHREAD_CONDATTR_T
 304 typedef __darwin_pthread_condattr_t     pthread_condattr_t;
 305 #endif
 306 #ifndef _PTHREAD_MUTEX_T
 307 #define _PTHREAD_MUTEX_T
 308 typedef __darwin_pthread_mutex_t        pthread_mutex_t;
 309 #endif
 310 #ifndef _PTHREAD_MUTEXATTR_T
 311 #define _PTHREAD_MUTEXATTR_T
 312 typedef __darwin_pthread_mutexattr_t    pthread_mutexattr_t;
 313 #endif
 314 #ifndef _PTHREAD_ONCE_T
 315 #define _PTHREAD_ONCE_T
 316 typedef __darwin_pthread_once_t         pthread_once_t;
 317 #endif
 318 #ifndef _PTHREAD_RWLOCK_T
 319 #define _PTHREAD_RWLOCK_T
 320 typedef __darwin_pthread_rwlock_t       pthread_rwlock_t;
 321 #endif
 322 #ifndef _PTHREAD_RWLOCKATTR_T
 323 #define _PTHREAD_RWLOCKATTR_T
 324 typedef __darwin_pthread_rwlockattr_t   pthread_rwlockattr_t;
 325 #endif
 326 #ifndef _PTHREAD_T
 327 #define _PTHREAD_T
 328 typedef __darwin_pthread_t              pthread_t;
 329 #endif
 330
 331 #endif /* __POSIX_LIB__ */
 332
 333 #ifndef _PTHREAD_KEY_T
 334 #define _PTHREAD_KEY_T
 335 typedef __darwin_pthread_key_t          pthread_key_t;
 336 #endif
 337
 338 /* statvfs and fstatvfs */
 339 #ifndef _FSBLKCNT_T
 340 #define _FSBLKCNT_T
 341 typedef __darwin_fsblkcnt_t             fsblkcnt_t;
 342 #endif
 343
 344 #ifndef _FSFILCNT_T
 345 #define _FSFILCNT_T
 346 typedef __darwin_fsfilcnt_t             fsfilcnt_t;
 347 #endif
 348
 349 #endif /* !_SYS_TYPES_H_ */