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 1.80 2008/02/26 13:37:09 simonb 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 #endif
  111 
  112 typedef uint64_t        u_quad_t;       /* quads */
  113 typedef int64_t         quad_t;
  114 typedef quad_t *        qaddr_t;
  115 
  116 /*
  117  * The types longlong_t and u_longlong_t exist for use with the
  118  * Sun-derived XDR routines involving these types, and their usage
  119  * in other contexts is discouraged.  Further note that these types
  120  * may not be equivalent to "long long" and "unsigned long long",
  121  * they are only guaranteed to be signed and unsigned 64-bit types
  122  * respectively.  Portable programs that need 64-bit types should use
  123  * the C99 types int64_t and uint64_t instead.
  124  */
  125 
  126 typedef int64_t         longlong_t;     /* for XDR */
  127 typedef uint64_t        u_longlong_t;   /* for XDR */
  128 
  129 typedef int64_t         blkcnt_t;       /* fs block count */
  130 typedef uint32_t        blksize_t;      /* fs optimal block size */
  131 
  132 #ifndef fsblkcnt_t
  133 typedef __fsblkcnt_t    fsblkcnt_t;     /* fs block count (statvfs) */
  134 #define fsblkcnt_t      __fsblkcnt_t
  135 #endif
  136 
  137 #ifndef fsfilcnt_t
  138 typedef __fsfilcnt_t    fsfilcnt_t;     /* fs file count */
  139 #define fsfilcnt_t      __fsfilcnt_t
  140 #endif
  141 
  142 #if !defined(_KERNEL) && !defined(_STANDALONE)
  143 /* We don't and shouldn't use caddr_t in the kernel anymore */
  144 #ifndef caddr_t
  145 typedef __caddr_t       caddr_t;        /* core address */
  146 #define caddr_t         __caddr_t
  147 #endif
  148 #endif
  149 
  150 #ifdef __daddr_t
  151 typedef __daddr_t       daddr_t;        /* disk address */
  152 #undef __daddr_t
  153 #else
  154 typedef int64_t         daddr_t;        /* disk address */
  155 #endif
  156 
  157 typedef uint32_t        dev_t;          /* device number */
  158 typedef uint32_t        fixpt_t;        /* fixed point number */
  159 
  160 #ifndef gid_t
  161 typedef __gid_t         gid_t;          /* group id */
  162 #define gid_t           __gid_t
  163 #endif
  164 
  165 typedef int             idtype_t;       /* type of the id */
  166 typedef uint32_t        id_t;           /* group id, process id or user id */
  167 typedef uint64_t        ino_t;          /* inode number */
  168 typedef long            key_t;          /* IPC key (for Sys V IPC) */
  169 
  170 #ifndef mode_t
  171 typedef __mode_t        mode_t;         /* permissions */
  172 #define mode_t          __mode_t
  173 #endif
  174 
  175 typedef uint32_t        nlink_t;        /* link count */
  176 
  177 #ifndef off_t
  178 typedef __off_t         off_t;          /* file offset */
  179 #define off_t           __off_t
  180 #endif
  181 
  182 #ifndef pid_t
  183 typedef __pid_t         pid_t;          /* process id */
  184 #define pid_t           __pid_t
  185 #endif
  186 typedef int32_t         lwpid_t;        /* LWP id */
  187 typedef quad_t          rlim_t;         /* resource limit */
  188 typedef int32_t         segsz_t;        /* segment size */
  189 typedef int32_t         swblk_t;        /* swap offset */
  190 
  191 #ifndef uid_t
  192 typedef __uid_t         uid_t;          /* user id */
  193 #define uid_t           __uid_t
  194 #endif
  195 
  196 typedef int             mqd_t;
  197 
  198 typedef unsigned long   cpuid_t;
  199 
  200 typedef int             psetid_t;
  201 
  202 #if defined(_KERNEL) || defined(_STANDALONE)
  203 /*
  204  * Boolean type definitions for the kernel environment.  User-space
  205  * boolean definitions are found in <stdbool.h>.
  206  */
  207 #define bool    _Bool
  208 #define true    1
  209 #define false   0
  210 
  211 /*
  212  * Deprecated Mach-style boolean_t type.  Should not be used by new code.
  213  */
  214 typedef int     boolean_t;
  215 #ifndef TRUE
  216 #define TRUE    1
  217 #endif
  218 #ifndef FALSE
  219 #define FALSE   0
  220 #endif
  221 
  222 #endif /* _KERNEL || _STANDALONE */
  223 
  224 #if defined(_KERNEL) || defined(_LIBC)
  225 /*
  226  * semctl(2)'s argument structure.  This is here for the benefit of
  227  * <sys/syscallargs.h>.  It is not in the user's namespace in SUSv2.
  228  * The SUSv2 semctl(2) takes variable arguments.
  229  */
  230 union __semun {
  231         int             val;            /* value for SETVAL */
  232         struct semid_ds *buf;           /* buffer for IPC_STAT & IPC_SET */
  233         unsigned short  *array;         /* array for GETALL & SETALL */
  234 };
  235 /* For the same reason as above */
  236 #include <sys/stdint.h>
  237 typedef intptr_t semid_t;
  238 #endif /* _KERNEL || _LIBC */
  239 
  240 /*
  241  * These belong in unistd.h, but are placed here too to ensure that
  242  * long arguments will be promoted to off_t if the program fails to
  243  * include that header or explicitly cast them to off_t.
  244  */
  245 #if defined(_NETBSD_SOURCE)
  246 #ifndef __OFF_T_SYSCALLS_DECLARED
  247 #define __OFF_T_SYSCALLS_DECLARED
  248 #ifndef _KERNEL
  249 #include <sys/cdefs.h>
  250 __BEGIN_DECLS
  251 off_t    lseek(int, off_t, int);
  252 int      ftruncate(int, off_t);
  253 int      truncate(const char *, off_t);
  254 __END_DECLS
  255 #endif /* !_KERNEL */
  256 #endif /* __OFF_T_SYSCALLS_DECLARED */
  257 #endif /* defined(_NETBSD_SOURCE) */
  258 
  259 #if defined(_NETBSD_SOURCE)
  260 /* Major, minor numbers, dev_t's. */
  261 #define major(x)        ((int32_t)((((x) & 0x000fff00) >>  8)))
  262 #define minor(x)        ((int32_t)((((x) & 0xfff00000) >> 12) | \
  263                                    (((x) & 0x000000ff) >>  0)))
  264 #define makedev(x,y)    ((dev_t)((((x) <<  8) & 0x000fff00) | \
  265                                  (((y) << 12) & 0xfff00000) | \
  266                                  (((y) <<  0) & 0x000000ff)))
  267 #endif
  268 
  269 #ifdef  _BSD_CLOCK_T_
  270 typedef _BSD_CLOCK_T_           clock_t;
  271 #undef  _BSD_CLOCK_T_
  272 #endif
  273 
  274 #ifdef  _BSD_SIZE_T_
  275 typedef _BSD_SIZE_T_            size_t;
  276 #define _SIZE_T
  277 #undef  _BSD_SIZE_T_
  278 #endif
  279 
  280 #ifdef  _BSD_SSIZE_T_
  281 typedef _BSD_SSIZE_T_           ssize_t;
  282 #undef  _BSD_SSIZE_T_
  283 #endif
  284 
  285 #ifdef  _BSD_TIME_T_
  286 typedef _BSD_TIME_T_            time_t;
  287 #undef  _BSD_TIME_T_
  288 #endif
  289 
  290 #ifdef  _BSD_CLOCKID_T_
  291 typedef _BSD_CLOCKID_T_         clockid_t;
  292 #undef  _BSD_CLOCKID_T_
  293 #endif
  294 
  295 #ifdef  _BSD_TIMER_T_
  296 typedef _BSD_TIMER_T_           timer_t;
  297 #undef  _BSD_TIMER_T_
  298 #endif
  299 
  300 #ifdef  _BSD_SUSECONDS_T_
  301 typedef _BSD_SUSECONDS_T_       suseconds_t;
  302 #undef  _BSD_SUSECONDS_T_
  303 #endif
  304 
  305 #ifdef  _BSD_USECONDS_T_
  306 typedef _BSD_USECONDS_T_        useconds_t;
  307 #undef  _BSD_USECONDS_T_
  308 #endif
  309 
  310 #ifdef _NETBSD_SOURCE
  311 #include <sys/fd_set.h>
  312 #define NBBY    __NBBY
  313 
  314 typedef struct kauth_cred *kauth_cred_t;
  315 
  316 typedef int pri_t;
  317 
  318 #endif
  319 
  320 #if defined(__STDC__) && defined(_KERNEL)
  321 /*
  322  * Forward structure declarations for function prototypes.  We include the
  323  * common structures that cross subsystem boundaries here; others are mostly
  324  * used in the same place that the structure is defined.
  325  */
  326 struct  lwp;
  327 typedef struct lwp lwp_t;
  328 struct  user;
  329 struct  __ucontext;
  330 struct  proc;
  331 typedef struct proc proc_t;
  332 struct  pgrp;
  333 struct  rusage;
  334 struct  file;
  335 typedef struct file file_t;
  336 struct  buf;
  337 typedef struct buf buf_t;
  338 struct  tty;
  339 struct  uio;
  340 #endif
  341 
  342 #ifdef _KERNEL
  343 #define SET(t, f)       ((t) |= (f))
  344 #define ISSET(t, f)     ((t) & (f))
  345 #define CLR(t, f)       ((t) &= ~(f))
  346 #endif
  347 
  348 #if !defined(_KERNEL) && !defined(_STANDALONE)
  349 #if (_POSIX_C_SOURCE - 0L) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
  350     defined(_NETBSD_SOURCE)
  351 #include <pthread_types.h>
  352 #endif
  353 #endif
  354 
  355 #endif /* !_SYS_TYPES_H_ */

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