The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/types.h

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    1 /*      $NetBSD: types.h,v 1.71.12.1 2007/09/27 13:40:47 xtraeme Exp $  */
    2 
    3 /*-
    4  * Copyright (c) 1982, 1986, 1991, 1993, 1994
    5  *      The Regents of the University of California.  All rights reserved.
    6  * (c) UNIX System Laboratories, Inc.
    7  * All or some portions of this file are derived from material licensed
    8  * to the University of California by American Telephone and Telegraph
    9  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
   10  * the permission of UNIX System Laboratories, Inc.
   11  *
   12  * Redistribution and use in source and binary forms, with or without
   13  * modification, are permitted provided that the following conditions
   14  * are met:
   15  * 1. Redistributions of source code must retain the above copyright
   16  *    notice, this list of conditions and the following disclaimer.
   17  * 2. Redistributions in binary form must reproduce the above copyright
   18  *    notice, this list of conditions and the following disclaimer in the
   19  *    documentation and/or other materials provided with the distribution.
   20  * 3. Neither the name of the University nor the names of its contributors
   21  *    may be used to endorse or promote products derived from this software
   22  *    without specific prior written permission.
   23  *
   24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   34  * SUCH DAMAGE.
   35  *
   36  *      @(#)types.h     8.4 (Berkeley) 1/21/94
   37  */
   38 
   39 #ifndef _SYS_TYPES_H_
   40 #define _SYS_TYPES_H_
   41 
   42 #include <sys/featuretest.h>
   43 
   44 /* Machine type dependent parameters. */
   45 #include <machine/types.h>
   46 
   47 #include <machine/ansi.h>
   48 #include <machine/int_types.h>
   49 
   50 
   51 #include <sys/ansi.h>
   52 
   53 #ifndef int8_t
   54 typedef __int8_t        int8_t;
   55 #define int8_t          __int8_t
   56 #endif
   57 
   58 #ifndef uint8_t
   59 typedef __uint8_t       uint8_t;
   60 #define uint8_t         __uint8_t
   61 #endif
   62 
   63 #ifndef int16_t
   64 typedef __int16_t       int16_t;
   65 #define int16_t         __int16_t
   66 #endif
   67 
   68 #ifndef uint16_t
   69 typedef __uint16_t      uint16_t;
   70 #define uint16_t        __uint16_t
   71 #endif
   72 
   73 #ifndef int32_t
   74 typedef __int32_t       int32_t;
   75 #define int32_t         __int32_t
   76 #endif
   77 
   78 #ifndef uint32_t
   79 typedef __uint32_t      uint32_t;
   80 #define uint32_t        __uint32_t
   81 #endif
   82 
   83 #ifndef int64_t
   84 typedef __int64_t       int64_t;
   85 #define int64_t         __int64_t
   86 #endif
   87 
   88 #ifndef uint64_t
   89 typedef __uint64_t      uint64_t;
   90 #define uint64_t        __uint64_t
   91 #endif
   92 
   93 typedef uint8_t         u_int8_t;
   94 typedef uint16_t        u_int16_t;
   95 typedef uint32_t        u_int32_t;
   96 typedef uint64_t        u_int64_t;
   97 
   98 #include <machine/endian.h>
   99 
  100 #if defined(_NETBSD_SOURCE)
  101 typedef unsigned char   u_char;
  102 typedef unsigned short  u_short;
  103 typedef unsigned int    u_int;
  104 typedef unsigned long   u_long;
  105 
  106 typedef unsigned char   unchar;         /* Sys V compatibility */
  107 typedef unsigned short  ushort;         /* Sys V compatibility */
  108 typedef unsigned int    uint;           /* Sys V compatibility */
  109 typedef unsigned long   ulong;          /* Sys V compatibility */
  110 
  111 typedef u_long          cpuid_t;
  112 #endif
  113 
  114 typedef uint64_t        u_quad_t;       /* quads */
  115 typedef int64_t         quad_t;
  116 typedef quad_t *        qaddr_t;
  117 
  118 /*
  119  * The types longlong_t and u_longlong_t exist for use with the
  120  * Sun-derived XDR routines involving these types, and their usage
  121  * in other contexts is discouraged.  Further note that these types
  122  * may not be equivalent to "long long" and "unsigned long long",
  123  * they are only guaranteed to be signed and unsigned 64-bit types
  124  * respectively.  Portable programs that need 64-bit types should use
  125  * the C99 types int64_t and uint64_t instead.
  126  */
  127 
  128 typedef int64_t         longlong_t;     /* for XDR */
  129 typedef uint64_t        u_longlong_t;   /* for XDR */
  130 
  131 typedef int64_t         blkcnt_t;       /* fs block count */
  132 typedef uint32_t        blksize_t;      /* fs optimal block size */
  133 
  134 #ifndef fsblkcnt_t
  135 typedef __fsblkcnt_t    fsblkcnt_t;     /* fs block count (statvfs) */
  136 #define fsblkcnt_t      __fsblkcnt_t
  137 #endif
  138 
  139 #ifndef fsfilcnt_t
  140 typedef __fsfilcnt_t    fsfilcnt_t;     /* fs file count */
  141 #define fsfilcnt_t      __fsfilcnt_t
  142 #endif
  143 
  144 #ifndef caddr_t
  145 typedef __caddr_t       caddr_t;        /* core address */
  146 #define caddr_t         __caddr_t
  147 #endif
  148 
  149 #ifdef __daddr_t
  150 typedef __daddr_t       daddr_t;        /* disk address */
  151 #undef __daddr_t
  152 #else
  153 typedef int64_t         daddr_t;        /* disk address */
  154 #endif
  155 
  156 typedef uint32_t        dev_t;          /* device number */
  157 typedef uint32_t        fixpt_t;        /* fixed point number */
  158 
  159 #ifndef gid_t
  160 typedef __gid_t         gid_t;          /* group id */
  161 #define gid_t           __gid_t
  162 #endif
  163 
  164 typedef uint32_t        id_t;           /* group id, process id or user id */
  165 typedef uint64_t        ino_t;          /* inode number */
  166 typedef long            key_t;          /* IPC key (for Sys V IPC) */
  167 
  168 #ifndef mode_t
  169 typedef __mode_t        mode_t;         /* permissions */
  170 #define mode_t          __mode_t
  171 #endif
  172 
  173 typedef uint32_t        nlink_t;        /* link count */
  174 
  175 #ifndef off_t
  176 typedef __off_t         off_t;          /* file offset */
  177 #define off_t           __off_t
  178 #endif
  179 
  180 #ifndef pid_t
  181 typedef __pid_t         pid_t;          /* process id */
  182 #define pid_t           __pid_t
  183 #endif
  184 typedef int32_t         lwpid_t;        /* LWP id */
  185 typedef quad_t          rlim_t;         /* resource limit */
  186 typedef int32_t         segsz_t;        /* segment size */
  187 typedef int32_t         swblk_t;        /* swap offset */
  188 
  189 #ifndef uid_t
  190 typedef __uid_t         uid_t;          /* user id */
  191 #define uid_t           __uid_t
  192 #endif
  193 
  194 typedef int32_t         dtime_t;        /* on-disk time_t */
  195 
  196 #if defined(_KERNEL) || defined(_STANDALONE)
  197 /*
  198  * Boolean type definitions for the kernel environment.  User-space
  199  * boolean definitions are found in <stdbool.h>.
  200  */
  201 #define bool    _Bool
  202 #define true    1
  203 #define false   0
  204 /*
  205  * Deprecated Mach-style boolean_t type.  Should not be used by new code.
  206  */
  207 typedef int     boolean_t;
  208 #ifndef TRUE
  209 #define TRUE    1
  210 #endif
  211 #ifndef FALSE
  212 #define FALSE   0
  213 #endif
  214 #endif
  215 
  216 #if defined(_KERNEL) || defined(_LIBC)
  217 /*
  218  * semctl(2)'s argument structure.  This is here for the benefit of
  219  * <sys/syscallargs.h>.  It is not in the user's namespace in SUSv2.
  220  * The SUSv2 semctl(2) takes variable arguments.
  221  */
  222 union __semun {
  223         int             val;            /* value for SETVAL */
  224         struct semid_ds *buf;           /* buffer for IPC_STAT & IPC_SET */
  225         unsigned short  *array;         /* array for GETALL & SETALL */
  226 };
  227 /* For the same reason as above */
  228 #include <sys/stdint.h>
  229 typedef intptr_t semid_t;
  230 #endif /* _KERNEL || _LIBC */
  231 
  232 /*
  233  * These belong in unistd.h, but are placed here too to ensure that
  234  * long arguments will be promoted to off_t if the program fails to
  235  * include that header or explicitly cast them to off_t.
  236  */
  237 #if defined(_NETBSD_SOURCE)
  238 #ifndef __OFF_T_SYSCALLS_DECLARED
  239 #define __OFF_T_SYSCALLS_DECLARED
  240 #ifndef _KERNEL
  241 #include <sys/cdefs.h>
  242 __BEGIN_DECLS
  243 off_t    lseek(int, off_t, int);
  244 int      ftruncate(int, off_t);
  245 int      truncate(const char *, off_t);
  246 __END_DECLS
  247 #endif /* !_KERNEL */
  248 #endif /* __OFF_T_SYSCALLS_DECLARED */
  249 #endif /* defined(_NETBSD_SOURCE) */
  250 
  251 #if defined(_NETBSD_SOURCE)
  252 /* Major, minor numbers, dev_t's. */
  253 #define major(x)        ((int32_t)((((x) & 0x000fff00) >>  8)))
  254 #define minor(x)        ((int32_t)((((x) & 0xfff00000) >> 12) | \
  255                                    (((x) & 0x000000ff) >>  0)))
  256 #define makedev(x,y)    ((dev_t)((((x) <<  8) & 0x000fff00) | \
  257                                  (((y) << 12) & 0xfff00000) | \
  258                                  (((y) <<  0) & 0x000000ff)))
  259 #endif
  260 
  261 #ifdef  _BSD_CLOCK_T_
  262 typedef _BSD_CLOCK_T_           clock_t;
  263 #undef  _BSD_CLOCK_T_
  264 #endif
  265 
  266 #ifdef  _BSD_SIZE_T_
  267 typedef _BSD_SIZE_T_            size_t;
  268 #define _SIZE_T
  269 #undef  _BSD_SIZE_T_
  270 #endif
  271 
  272 #ifdef  _BSD_SSIZE_T_
  273 typedef _BSD_SSIZE_T_           ssize_t;
  274 #undef  _BSD_SSIZE_T_
  275 #endif
  276 
  277 #ifdef  _BSD_TIME_T_
  278 typedef _BSD_TIME_T_            time_t;
  279 #undef  _BSD_TIME_T_
  280 #endif
  281 
  282 #ifdef  _BSD_CLOCKID_T_
  283 typedef _BSD_CLOCKID_T_         clockid_t;
  284 #undef  _BSD_CLOCKID_T_
  285 #endif
  286 
  287 #ifdef  _BSD_TIMER_T_
  288 typedef _BSD_TIMER_T_           timer_t;
  289 #undef  _BSD_TIMER_T_
  290 #endif
  291 
  292 #ifdef  _BSD_SUSECONDS_T_
  293 typedef _BSD_SUSECONDS_T_       suseconds_t;
  294 #undef  _BSD_SUSECONDS_T_
  295 #endif
  296 
  297 #ifdef  _BSD_USECONDS_T_
  298 typedef _BSD_USECONDS_T_        useconds_t;
  299 #undef  _BSD_USECONDS_T_
  300 #endif
  301 
  302 #ifdef _NETBSD_SOURCE
  303 #include <sys/fd_set.h>
  304 #define NBBY    __NBBY
  305 
  306 typedef struct kauth_cred *kauth_cred_t;
  307 
  308 #endif
  309 
  310 #if defined(__STDC__) && defined(_KERNEL)
  311 /*
  312  * Forward structure declarations for function prototypes.  We include the
  313  * common structures that cross subsystem boundaries here; others are mostly
  314  * used in the same place that the structure is defined.
  315  */
  316 struct  lwp;
  317 struct  user;
  318 struct  __ucontext;
  319 struct  proc;
  320 struct  pgrp;
  321 struct  rusage;
  322 struct  file;
  323 struct  buf;
  324 struct  tty;
  325 struct  uio;
  326 #endif
  327 
  328 #ifdef _KERNEL
  329 #define SET(t, f)       ((t) |= (f))
  330 #define ISSET(t, f)     ((t) & (f))
  331 #define CLR(t, f)       ((t) &= ~(f))
  332 #endif
  333 
  334 #if !defined(_KERNEL) && !defined(_STANDALONE)
  335 #if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
  336     defined(_NETBSD_SOURCE)
  337 #include <pthread_types.h>
  338 #endif
  339 #endif
  340 
  341 #endif /* !_SYS_TYPES_H_ */

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