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 /*-
    2  * Copyright (c) 1982, 1986, 1991, 1993, 1994
    3  *      The Regents of the University of California.  All rights reserved.
    4  * (c) UNIX System Laboratories, Inc.
    5  * All or some portions of this file are derived from material licensed
    6  * to the University of California by American Telephone and Telegraph
    7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
    8  * the permission of UNIX System Laboratories, Inc.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 4. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      @(#)types.h     8.6 (Berkeley) 2/19/95
   35  * $FreeBSD: releng/9.2/sys/sys/types.h 229285 2012-01-02 16:14:52Z mdf $
   36  */
   37 
   38 #ifndef _SYS_TYPES_H_
   39 #define _SYS_TYPES_H_
   40 
   41 #include <sys/cdefs.h>
   42 
   43 /* Machine type dependent parameters. */
   44 #include <machine/endian.h>
   45 #include <sys/_types.h>
   46 
   47 #include <sys/_pthreadtypes.h>
   48 
   49 #if __BSD_VISIBLE
   50 typedef unsigned char   u_char;
   51 typedef unsigned short  u_short;
   52 typedef unsigned int    u_int;
   53 typedef unsigned long   u_long;
   54 #ifndef _KERNEL
   55 typedef unsigned short  ushort;         /* Sys V compatibility */
   56 typedef unsigned int    uint;           /* Sys V compatibility */
   57 #endif
   58 #endif
   59 
   60 /*
   61  * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
   62  */
   63 #include <sys/_stdint.h>
   64 
   65 typedef __uint8_t       u_int8_t;       /* unsigned integrals (deprecated) */
   66 typedef __uint16_t      u_int16_t;
   67 typedef __uint32_t      u_int32_t;
   68 typedef __uint64_t      u_int64_t;
   69 
   70 typedef __uint64_t      u_quad_t;       /* quads (deprecated) */
   71 typedef __int64_t       quad_t;
   72 typedef quad_t *        qaddr_t;
   73 
   74 typedef char *          caddr_t;        /* core address */
   75 typedef __const char *  c_caddr_t;      /* core address, pointer to const */
   76 typedef __volatile char *v_caddr_t;     /* core address, pointer to volatile */
   77 
   78 #ifndef _BLKSIZE_T_DECLARED
   79 typedef __blksize_t     blksize_t;
   80 #define _BLKSIZE_T_DECLARED
   81 #endif
   82 
   83 typedef __cpuwhich_t    cpuwhich_t;
   84 typedef __cpulevel_t    cpulevel_t;
   85 typedef __cpusetid_t    cpusetid_t;
   86 
   87 #ifndef _BLKCNT_T_DECLARED
   88 typedef __blkcnt_t      blkcnt_t;
   89 #define _BLKCNT_T_DECLARED
   90 #endif
   91 
   92 typedef __cap_rights_t  cap_rights_t;
   93 
   94 #ifndef _CLOCK_T_DECLARED
   95 typedef __clock_t       clock_t;
   96 #define _CLOCK_T_DECLARED
   97 #endif
   98 
   99 #ifndef _CLOCKID_T_DECLARED
  100 typedef __clockid_t     clockid_t;
  101 #define _CLOCKID_T_DECLARED
  102 #endif
  103 
  104 typedef __critical_t    critical_t;     /* Critical section value */
  105 typedef __int64_t       daddr_t;        /* disk address */
  106 
  107 #ifndef _DEV_T_DECLARED
  108 typedef __dev_t         dev_t;          /* device number or struct cdev */
  109 #define _DEV_T_DECLARED
  110 #endif
  111 
  112 #ifndef _FFLAGS_T_DECLARED
  113 typedef __fflags_t      fflags_t;       /* file flags */
  114 #define _FFLAGS_T_DECLARED
  115 #endif
  116 
  117 typedef __fixpt_t       fixpt_t;        /* fixed point number */
  118 
  119 #ifndef _FSBLKCNT_T_DECLARED            /* for statvfs() */
  120 typedef __fsblkcnt_t    fsblkcnt_t;
  121 typedef __fsfilcnt_t    fsfilcnt_t;
  122 #define _FSBLKCNT_T_DECLARED
  123 #endif
  124 
  125 #ifndef _GID_T_DECLARED
  126 typedef __gid_t         gid_t;          /* group id */
  127 #define _GID_T_DECLARED
  128 #endif
  129 
  130 #ifndef _IN_ADDR_T_DECLARED
  131 typedef __uint32_t      in_addr_t;      /* base type for internet address */
  132 #define _IN_ADDR_T_DECLARED
  133 #endif
  134 
  135 #ifndef _IN_PORT_T_DECLARED
  136 typedef __uint16_t      in_port_t;
  137 #define _IN_PORT_T_DECLARED
  138 #endif
  139 
  140 #ifndef _ID_T_DECLARED
  141 typedef __id_t          id_t;           /* can hold a uid_t or pid_t */
  142 #define _ID_T_DECLARED
  143 #endif
  144 
  145 #ifndef _INO_T_DECLARED
  146 typedef __ino_t         ino_t;          /* inode number */
  147 #define _INO_T_DECLARED
  148 #endif
  149 
  150 #ifndef _KEY_T_DECLARED
  151 typedef __key_t         key_t;          /* IPC key (for Sys V IPC) */
  152 #define _KEY_T_DECLARED
  153 #endif
  154 
  155 #ifndef _LWPID_T_DECLARED
  156 typedef __lwpid_t       lwpid_t;        /* Thread ID (a.k.a. LWP) */
  157 #define _LWPID_T_DECLARED
  158 #endif
  159 
  160 #ifndef _MODE_T_DECLARED
  161 typedef __mode_t        mode_t;         /* permissions */
  162 #define _MODE_T_DECLARED
  163 #endif
  164 
  165 #ifndef _ACCMODE_T_DECLARED
  166 typedef __accmode_t     accmode_t;      /* access permissions */
  167 #define _ACCMODE_T_DECLARED
  168 #endif
  169 
  170 #ifndef _NLINK_T_DECLARED
  171 typedef __nlink_t       nlink_t;        /* link count */
  172 #define _NLINK_T_DECLARED
  173 #endif
  174 
  175 #ifndef _OFF_T_DECLARED
  176 typedef __off_t         off_t;          /* file offset */
  177 #define _OFF_T_DECLARED
  178 #endif
  179 
  180 #ifndef _PID_T_DECLARED
  181 typedef __pid_t         pid_t;          /* process id */
  182 #define _PID_T_DECLARED
  183 #endif
  184 
  185 typedef __register_t    register_t;
  186 
  187 #ifndef _RLIM_T_DECLARED
  188 typedef __rlim_t        rlim_t;         /* resource limit */
  189 #define _RLIM_T_DECLARED
  190 #endif
  191 
  192 typedef __segsz_t       segsz_t;        /* segment size (in pages) */
  193 
  194 #ifndef _SIZE_T_DECLARED
  195 typedef __size_t        size_t;
  196 #define _SIZE_T_DECLARED
  197 #endif
  198 
  199 #ifndef _SSIZE_T_DECLARED
  200 typedef __ssize_t       ssize_t;
  201 #define _SSIZE_T_DECLARED
  202 #endif
  203 
  204 #ifndef _SUSECONDS_T_DECLARED
  205 typedef __suseconds_t   suseconds_t;    /* microseconds (signed) */
  206 #define _SUSECONDS_T_DECLARED
  207 #endif
  208 
  209 #ifndef _TIME_T_DECLARED
  210 typedef __time_t        time_t;
  211 #define _TIME_T_DECLARED
  212 #endif
  213 
  214 #ifndef _TIMER_T_DECLARED
  215 typedef __timer_t       timer_t;
  216 #define _TIMER_T_DECLARED
  217 #endif
  218 
  219 #ifndef _MQD_T_DECLARED
  220 typedef __mqd_t mqd_t;
  221 #define _MQD_T_DECLARED
  222 #endif
  223 
  224 typedef __u_register_t  u_register_t;
  225 
  226 #ifndef _UID_T_DECLARED
  227 typedef __uid_t         uid_t;          /* user id */
  228 #define _UID_T_DECLARED
  229 #endif
  230 
  231 #ifndef _USECONDS_T_DECLARED
  232 typedef __useconds_t    useconds_t;     /* microseconds (unsigned) */
  233 #define _USECONDS_T_DECLARED
  234 #endif
  235 
  236 typedef __vm_offset_t   vm_offset_t;
  237 typedef __vm_ooffset_t  vm_ooffset_t;
  238 typedef __vm_paddr_t    vm_paddr_t;
  239 typedef __vm_pindex_t   vm_pindex_t;
  240 typedef __vm_size_t     vm_size_t;
  241 
  242 #ifdef _KERNEL
  243 typedef int             boolean_t;
  244 typedef struct device   *device_t;
  245 typedef __intfptr_t     intfptr_t;
  246 
  247 /*
  248  * XXX this is fixed width for historical reasons.  It should have had type
  249  * __int_fast32_t.  Fixed-width types should not be used unless binary
  250  * compatibility is essential.  Least-width types should be used even less
  251  * since they provide smaller benefits.
  252  *
  253  * XXX should be MD.
  254  *
  255  * XXX this is bogus in -current, but still used for spl*().
  256  */
  257 typedef __uint32_t      intrmask_t;     /* Interrupt mask (spl, xxx_imask...) */
  258 
  259 typedef __uintfptr_t    uintfptr_t;
  260 typedef __uint64_t      uoff_t;
  261 typedef char            vm_memattr_t;   /* memory attribute codes */
  262 typedef struct vm_page  *vm_page_t;
  263 
  264 #if !defined(__bool_true_false_are_defined) && !defined(__cplusplus)
  265 #define __bool_true_false_are_defined   1
  266 #define false   0
  267 #define true    1
  268 #if __STDC_VERSION__ < 199901L && __GNUC__ < 3 && !defined(__INTEL_COMPILER)
  269 typedef int     _Bool;
  270 #endif
  271 typedef _Bool   bool;
  272 #endif /* !__bool_true_false_are_defined && !__cplusplus */
  273 
  274 #define offsetof(type, field) __offsetof(type, field)
  275 
  276 #endif /* !_KERNEL */
  277 
  278 /*
  279  * The following are all things that really shouldn't exist in this header,
  280  * since its purpose is to provide typedefs, not miscellaneous doodads.
  281  */
  282 #if __BSD_VISIBLE
  283 
  284 #include <sys/select.h>
  285 
  286 /*
  287  * minor() gives a cookie instead of an index since we don't want to
  288  * change the meanings of bits 0-15 or waste time and space shifting
  289  * bits 16-31 for devices that don't use them.
  290  */
  291 #define major(x)        ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
  292 #define minor(x)        ((int)((x)&0xffff00ff))         /* minor number */
  293 #define makedev(x,y)    ((dev_t)(((x) << 8) | (y)))     /* create dev_t */
  294 
  295 /*
  296  * These declarations belong elsewhere, but are repeated here and in
  297  * <stdio.h> to give broken programs a better chance of working with
  298  * 64-bit off_t's.
  299  */
  300 #ifndef _KERNEL
  301 __BEGIN_DECLS
  302 #ifndef _FTRUNCATE_DECLARED
  303 #define _FTRUNCATE_DECLARED
  304 int      ftruncate(int, off_t);
  305 #endif
  306 #ifndef _LSEEK_DECLARED
  307 #define _LSEEK_DECLARED
  308 off_t    lseek(int, off_t, int);
  309 #endif
  310 #ifndef _MMAP_DECLARED
  311 #define _MMAP_DECLARED
  312 void *   mmap(void *, size_t, int, int, int, off_t);
  313 #endif
  314 #ifndef _TRUNCATE_DECLARED
  315 #define _TRUNCATE_DECLARED
  316 int      truncate(const char *, off_t);
  317 #endif
  318 __END_DECLS
  319 #endif /* !_KERNEL */
  320 
  321 #endif /* __BSD_VISIBLE */
  322 
  323 #endif /* !_SYS_TYPES_H_ */

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