LXR darwin-xnu/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
  78typedef unsigned char           u_char;
  79typedef unsigned short          u_short;
  80typedef unsigned int            u_int;
  81#ifndef _U_LONG
  82typedef unsigned long           u_long;
  83#define _U_LONG
  84#endif
  85typedef unsigned short          ushort;         /* Sys V compatibility */
  86typedef unsigned int            uint;           /* Sys V compatibility */
  87#endif
  88
  89typedef u_int64_t               u_quad_t;       /* quads */
  90typedef int64_t                 quad_t;
  91typedef quad_t *                qaddr_t;
  92
  93typedef char *                  caddr_t;        /* core address */
  94typedef int32_t                 daddr_t;        /* disk address */
  95
  96#ifndef _DEV_T
  97typedef __darwin_dev_t          dev_t;          /* device number */
  98#define _DEV_T
  99#endif
 100
 101typedef u_int32_t               fixpt_t;        /* fixed point number */
 102
 103#ifndef _BLKCNT_T
 104typedef __darwin_blkcnt_t       blkcnt_t;
 105#define _BLKCNT_T
 106#endif
 107
 108#ifndef _BLKSIZE_T
 109typedef __darwin_blksize_t      blksize_t;
 110#define _BLKSIZE_T
 111#endif
 112
 113#ifndef _GID_T
 114typedef __darwin_gid_t          gid_t;
 115#define _GID_T
 116#endif
 117
 118#ifndef _IN_ADDR_T
 119#define _IN_ADDR_T
 120typedef __uint32_t              in_addr_t;      /* base type for internet address */
 121#endif
 122
 123#ifndef _IN_PORT_T
 124#define _IN_PORT_T
 125typedef __uint16_t              in_port_t;
 126#endif
 127
 128#ifndef _INO_T
 129typedef __darwin_ino_t          ino_t;          /* inode number */
 130#define _INO_T
 131#endif
 132
 133#ifndef _KEY_T
 134#define _KEY_T
 135typedef __int32_t               key_t;          /* IPC key (for Sys V IPC) */
 136#endif
 137
 138#ifndef _MODE_T
 139typedef __darwin_mode_t         mode_t;
 140#define _MODE_T
 141#endif
 142
 143#ifndef _NLINK_T
 144typedef __uint16_t              nlink_t;        /* link count */
 145#define _NLINK_T
 146#endif
 147
 148#ifndef _ID_T
 149#define _ID_T
 150typedef __darwin_id_t           id_t;           /* can hold pid_t, gid_t, or uid_t */
 151#endif
 152
 153#ifndef _PID_T
 154typedef __darwin_pid_t          pid_t;
 155#define _PID_T
 156#endif
 157
 158#ifndef _OFF_T
 159typedef __darwin_off_t          off_t;
 160#define _OFF_T
 161#endif
 162
 163typedef int32_t                 segsz_t;        /* segment size */
 164typedef int32_t                 swblk_t;        /* swap offset */
 165
 166#ifndef _UID_T
 167typedef __darwin_uid_t          uid_t;          /* user id */
 168#define _UID_T
 169#endif
 170
 171#ifndef _ID_T
 172typedef __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
 185typedef __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 */
 192typedef __darwin_size_t         size_t;
 193#endif
 194
 195#ifndef _SSIZE_T
 196#define _SSIZE_T
 197typedef __darwin_ssize_t        ssize_t;
 198#endif
 199
 200#ifndef _TIME_T
 201#define _TIME_T
 202typedef __darwin_time_t         time_t;
 203#endif
 204
 205#ifndef _USECONDS_T
 206#define _USECONDS_T
 207typedef __darwin_useconds_t     useconds_t;
 208#endif
 209
 210#ifndef _SUSECONDS_T
 211#define _SUSECONDS_T
 212typedef __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? */
 224typedef __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
 249typedef 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 */
 279struct  proc;
 280struct  pgrp;
 281struct  ucred;
 282struct  rusage;
 283struct  file;
 284struct  buf;
 285struct  tty;
 286struct  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
 296typedef __darwin_pthread_attr_t         pthread_attr_t;
 297#endif
 298#ifndef _PTHREAD_COND_T
 299#define _PTHREAD_COND_T
 300typedef __darwin_pthread_cond_t         pthread_cond_t;
 301#endif
 302#ifndef _PTHREAD_CONDATTR_T
 303#define _PTHREAD_CONDATTR_T
 304typedef __darwin_pthread_condattr_t     pthread_condattr_t;
 305#endif
 306#ifndef _PTHREAD_MUTEX_T
 307#define _PTHREAD_MUTEX_T
 308typedef __darwin_pthread_mutex_t        pthread_mutex_t;
 309#endif
 310#ifndef _PTHREAD_MUTEXATTR_T
 311#define _PTHREAD_MUTEXATTR_T
 312typedef __darwin_pthread_mutexattr_t    pthread_mutexattr_t;
 313#endif
 314#ifndef _PTHREAD_ONCE_T
 315#define _PTHREAD_ONCE_T
 316typedef __darwin_pthread_once_t         pthread_once_t;
 317#endif
 318#ifndef _PTHREAD_RWLOCK_T
 319#define _PTHREAD_RWLOCK_T
 320typedef __darwin_pthread_rwlock_t       pthread_rwlock_t;
 321#endif
 322#ifndef _PTHREAD_RWLOCKATTR_T
 323#define _PTHREAD_RWLOCKATTR_T
 324typedef __darwin_pthread_rwlockattr_t   pthread_rwlockattr_t;
 325#endif
 326#ifndef _PTHREAD_T
 327#define _PTHREAD_T
 328typedef __darwin_pthread_t              pthread_t;
 329#endif
 330
 331#endif /* __POSIX_LIB__ */
 332
 333#ifndef _PTHREAD_KEY_T
 334#define _PTHREAD_KEY_T
 335typedef __darwin_pthread_key_t          pthread_key_t;
 336#endif
 337
 338/* statvfs and fstatvfs */
 339#ifndef _FSBLKCNT_T
 340#define _FSBLKCNT_T
 341typedef __darwin_fsblkcnt_t             fsblkcnt_t;
 342#endif
 343
 344#ifndef _FSFILCNT_T
 345#define _FSFILCNT_T
 346typedef __darwin_fsfilcnt_t             fsfilcnt_t;
 347#endif
 348
 349#endif /* !_SYS_TYPES_H_ */
 350