bsd/sys/types.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  29 /*-
  30  * Copyright (c) 1982, 1986, 1991, 1993, 1994
  31  *      The Regents of the University of California.  All rights reserved.
  32  * (c) UNIX System Laboratories, Inc.
  33  * All or some portions of this file are derived from material licensed
  34  * to the University of California by American Telephone and Telegraph
  35  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  36  * the permission of UNIX System Laboratories, Inc.
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  * 1. Redistributions of source code must retain the above copyright
  42  *    notice, this list of conditions and the following disclaimer.
  43  * 2. Redistributions in binary form must reproduce the above copyright
  44  *    notice, this list of conditions and the following disclaimer in the
  45  *    documentation and/or other materials provided with the distribution.
  46  * 3. All advertising materials mentioning features or use of this software
  47  *    must display the following acknowledgement:
  48  *      This product includes software developed by the University of
  49  *      California, Berkeley and its contributors.
  50  * 4. Neither the name of the University nor the names of its contributors
  51  *    may be used to endorse or promote products derived from this software
  52  *    without specific prior written permission.
  53  *
  54  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  55  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  56  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  57  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  58  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  59  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  60  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  61  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  62  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  63  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  64  * SUCH DAMAGE.
  65  *
  66  *      @(#)types.h     8.4 (Berkeley) 1/21/94
  67  */
  68
  69 #ifndef _SYS_TYPES_H_
  70 #define _SYS_TYPES_H_
  71
  72 #include <sys/appleapiopts.h>
  73
  74 #ifndef __ASSEMBLER__
  75 #include <sys/cdefs.h>
  76
  77 /* Machine type dependent parameters. */
  78 #include <machine/types.h>
  79 #include <sys/_types.h>
  80
  81 #include <machine/endian.h>
  82
  83 #ifndef _POSIX_C_SOURCE
  84 typedef unsigned char           u_char;
  85 typedef unsigned short          u_short;
  86 typedef unsigned int            u_int;
  87 #ifndef _U_LONG
  88 typedef unsigned long           u_long;
  89 #define _U_LONG
  90 #endif
  91 typedef unsigned short          ushort;         /* Sys V compatibility */
  92 typedef unsigned int            uint;           /* Sys V compatibility */
  93 #endif
  94
  95 typedef u_int64_t               u_quad_t;       /* quads */
  96 typedef int64_t                 quad_t;
  97 typedef quad_t *                qaddr_t;
  98
  99 typedef char *                  caddr_t;        /* core address */
 100 typedef int32_t                 daddr_t;        /* disk address */
 101
 102 #ifndef _DEV_T
 103 typedef __darwin_dev_t          dev_t;          /* device number */
 104 #define _DEV_T
 105 #endif
 106
 107 typedef u_int32_t               fixpt_t;        /* fixed point number */
 108
 109 #ifndef _BLKCNT_T
 110 typedef __darwin_blkcnt_t       blkcnt_t;
 111 #define _BLKCNT_T
 112 #endif
 113
 114 #ifndef _BLKSIZE_T
 115 typedef __darwin_blksize_t      blksize_t;
 116 #define _BLKSIZE_T
 117 #endif
 118
 119 #ifndef _GID_T
 120 typedef __darwin_gid_t          gid_t;
 121 #define _GID_T
 122 #endif
 123
 124 #ifndef _IN_ADDR_T
 125 #define _IN_ADDR_T
 126 typedef __uint32_t              in_addr_t;      /* base type for internet address */
 127 #endif
 128
 129 #ifndef _IN_PORT_T
 130 #define _IN_PORT_T
 131 typedef __uint16_t              in_port_t;
 132 #endif
 133
 134 #ifndef _INO_T
 135 typedef __darwin_ino_t          ino_t;          /* inode number */
 136 #define _INO_T
 137 #endif
 138
 139 #ifndef _KEY_T
 140 #define _KEY_T
 141 typedef __int32_t               key_t;          /* IPC key (for Sys V IPC) */
 142 #endif
 143
 144 #ifndef _MODE_T
 145 typedef __darwin_mode_t         mode_t;
 146 #define _MODE_T
 147 #endif
 148
 149 #ifndef _NLINK_T
 150 typedef __uint16_t              nlink_t;        /* link count */
 151 #define _NLINK_T
 152 #endif
 153
 154 #ifndef _ID_T
 155 #define _ID_T
 156 typedef __darwin_id_t           id_t;           /* can hold pid_t, gid_t, or uid_t */
 157 #endif
 158
 159 #ifndef _PID_T
 160 typedef __darwin_pid_t          pid_t;
 161 #define _PID_T
 162 #endif
 163
 164 #ifndef _OFF_T
 165 typedef __darwin_off_t          off_t;
 166 #define _OFF_T
 167 #endif
 168
 169 typedef int32_t                 segsz_t;        /* segment size */
 170 typedef int32_t                 swblk_t;        /* swap offset */
 171
 172 #ifndef _UID_T
 173 typedef __darwin_uid_t          uid_t;          /* user id */
 174 #define _UID_T
 175 #endif
 176
 177 #ifndef _ID_T
 178 typedef __darwin_id_t           id_t;
 179 #define _ID_T
 180 #endif
 181
 182 #ifndef _POSIX_C_SOURCE
 183 /* Major, minor numbers, dev_t's. */
 184 #define major(x)        ((int32_t)(((u_int32_t)(x) >> 24) & 0xff))
 185 #define minor(x)        ((int32_t)((x) & 0xffffff))
 186 #define makedev(x,y)    ((dev_t)(((x) << 24) | (y)))
 187 #endif
 188
 189 #ifndef _CLOCK_T
 190 #define _CLOCK_T
 191 typedef __darwin_clock_t        clock_t;
 192 #endif
 193
 194 #ifndef _SIZE_T
 195 #define _SIZE_T
 196 /* DO NOT REMOVE THIS COMMENT: fixincludes needs to see
 197  * _GCC_SIZE_T */
 198 typedef __darwin_size_t         size_t;
 199 #endif
 200
 201 #ifndef _SSIZE_T
 202 #define _SSIZE_T
 203 typedef __darwin_ssize_t        ssize_t;
 204 #endif
 205
 206 #ifndef _TIME_T
 207 #define _TIME_T
 208 typedef __darwin_time_t         time_t;
 209 #endif
 210
 211 #ifndef _USECONDS_T
 212 #define _USECONDS_T
 213 typedef __darwin_useconds_t     useconds_t;
 214 #endif
 215
 216 #ifndef _SUSECONDS_T
 217 #define _SUSECONDS_T
 218 typedef __darwin_suseconds_t    suseconds_t;
 219 #endif
 220
 221 #ifndef _POSIX_C_SOURCE
 222 /*
 223  * This code is present here in order to maintain historical backward
 224  * compatability, and is intended to be removed at some point in the
 225  * future; please include <sys/select.h> instead.
 226  */
 227 #define NBBY            8                               /* bits in a byte */
 228 #define NFDBITS (sizeof(__int32_t) * NBBY)              /* bits per mask */
 229 #define howmany(x, y)   (((x) + ((y) - 1)) / (y))       /* # y's == x bits? */
 230 typedef __int32_t       fd_mask;
 231
 232
 233 /*
 234  * Note:        We use _FD_SET to protect all select related
 235  *              types and macros
 236  */
 237 #ifndef _FD_SET
 238 #define _FD_SET
 239
 240 /*
 241  * Select uses bit masks of file descriptors in longs.  These macros
 242  * manipulate such bit fields (the filesystem macros use chars).  The
 243  * extra protection here is to permit application redefinition above
 244  * the default size.
 245  */
 246 #ifndef FD_SETSIZE
 247 #define FD_SETSIZE      1024
 248 #endif
 249
 250 #define __DARWIN_NBBY   8                               /* bits in a byte */
 251 #define __DARWIN_NFDBITS        (sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */
 252 #define __DARWIN_howmany(x, y) (((x) + ((y) - 1)) / (y))        /* # y's == x bits? */
 253
 254 __BEGIN_DECLS
 255 typedef struct fd_set {
 256         __int32_t       fds_bits[__DARWIN_howmany(FD_SETSIZE, __DARWIN_NFDBITS)];
 257 } fd_set;
 258 __END_DECLS
 259
 260 #define FD_SET(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] |= (1<<((n) % __DARWIN_NFDBITS)))
 261 #define FD_CLR(n, p)    ((p)->fds_bits[(n)/__DARWIN_NFDBITS] &= ~(1<<((n) % __DARWIN_NFDBITS)))
 262 #define FD_ISSET(n, p)  ((p)->fds_bits[(n)/__DARWIN_NFDBITS] & (1<<((n) % __DARWIN_NFDBITS)))
 263 #if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3
 264 /*
 265  * Use the built-in bzero function instead of the library version so that
 266  * we do not pollute the namespace or introduce prototype warnings.
 267  */
 268 #define FD_ZERO(p)      __builtin_bzero(p, sizeof(*(p)))
 269 #else
 270 #define FD_ZERO(p)      bzero(p, sizeof(*(p)))
 271 #endif
 272 #ifndef _POSIX_C_SOURCE
 273 #define FD_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
 274 #endif  /* !_POSIX_C_SOURCE */
 275
 276 #endif  /* !_FD_SET */
 277
 278
 279 #if defined(__STDC__) && defined(KERNEL)
 280 /*
 281  * Forward structure declarations for function prototypes.  We include the
 282  * common structures that cross subsystem boundaries here; others are mostly
 283  * used in the same place that the structure is defined.
 284  */
 285 struct  proc;
 286 struct  pgrp;
 287 struct  ucred;
 288 struct  rusage;
 289 struct  file;
 290 struct  buf;
 291 struct  tty;
 292 struct  uio;
 293 #endif
 294
 295 #endif /* !_POSIX_C_SOURCE */
 296 #endif /* __ASSEMBLER__ */
 297
 298 #ifndef __POSIX_LIB__
 299
 300 #ifndef _PTHREAD_ATTR_T
 301 #define _PTHREAD_ATTR_T
 302 typedef __darwin_pthread_attr_t         pthread_attr_t;
 303 #endif
 304 #ifndef _PTHREAD_COND_T
 305 #define _PTHREAD_COND_T
 306 typedef __darwin_pthread_cond_t         pthread_cond_t;
 307 #endif
 308 #ifndef _PTHREAD_CONDATTR_T
 309 #define _PTHREAD_CONDATTR_T
 310 typedef __darwin_pthread_condattr_t     pthread_condattr_t;
 311 #endif
 312 #ifndef _PTHREAD_MUTEX_T
 313 #define _PTHREAD_MUTEX_T
 314 typedef __darwin_pthread_mutex_t        pthread_mutex_t;
 315 #endif
 316 #ifndef _PTHREAD_MUTEXATTR_T
 317 #define _PTHREAD_MUTEXATTR_T
 318 typedef __darwin_pthread_mutexattr_t    pthread_mutexattr_t;
 319 #endif
 320 #ifndef _PTHREAD_ONCE_T
 321 #define _PTHREAD_ONCE_T
 322 typedef __darwin_pthread_once_t         pthread_once_t;
 323 #endif
 324 #ifndef _PTHREAD_RWLOCK_T
 325 #define _PTHREAD_RWLOCK_T
 326 typedef __darwin_pthread_rwlock_t       pthread_rwlock_t;
 327 #endif
 328 #ifndef _PTHREAD_RWLOCKATTR_T
 329 #define _PTHREAD_RWLOCKATTR_T
 330 typedef __darwin_pthread_rwlockattr_t   pthread_rwlockattr_t;
 331 #endif
 332 #ifndef _PTHREAD_T
 333 #define _PTHREAD_T
 334 typedef __darwin_pthread_t              pthread_t;
 335 #endif
 336
 337 #endif /* __POSIX_LIB__ */
 338
 339 #ifndef _PTHREAD_KEY_T
 340 #define _PTHREAD_KEY_T
 341 typedef __darwin_pthread_key_t          pthread_key_t;
 342 #endif
 343
 344 /* statvfs and fstatvfs */
 345 #ifndef _FSBLKCNT_T
 346 #define _FSBLKCNT_T
 347 typedef __darwin_fsblkcnt_t             fsblkcnt_t;
 348 #endif
 349
 350 #ifndef _FSFILCNT_T
 351 #define _FSFILCNT_T
 352 typedef __darwin_fsfilcnt_t             fsfilcnt_t;
 353 #endif
 354
 355 #endif /* !_SYS_TYPES_H_ */