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  * $FreeBSD$
   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 #ifndef _INT8_T_DECLARED
   64 typedef __int8_t        int8_t;
   65 #define _INT8_T_DECLARED
   66 #endif
   67 
   68 #ifndef _INT16_T_DECLARED
   69 typedef __int16_t       int16_t;
   70 #define _INT16_T_DECLARED
   71 #endif
   72 
   73 #ifndef _INT32_T_DECLARED
   74 typedef __int32_t       int32_t;
   75 #define _INT32_T_DECLARED
   76 #endif
   77 
   78 #ifndef _INT64_T_DECLARED
   79 typedef __int64_t       int64_t;
   80 #define _INT64_T_DECLARED
   81 #endif
   82 
   83 #ifndef _UINT8_T_DECLARED
   84 typedef __uint8_t       uint8_t;
   85 #define _UINT8_T_DECLARED
   86 #endif
   87 
   88 #ifndef _UINT16_T_DECLARED
   89 typedef __uint16_t      uint16_t;
   90 #define _UINT16_T_DECLARED
   91 #endif
   92 
   93 #ifndef _UINT32_T_DECLARED
   94 typedef __uint32_t      uint32_t;
   95 #define _UINT32_T_DECLARED
   96 #endif
   97 
   98 #ifndef _UINT64_T_DECLARED
   99 typedef __uint64_t      uint64_t;
  100 #define _UINT64_T_DECLARED
  101 #endif
  102 
  103 #ifndef _INTPTR_T_DECLARED
  104 typedef __intptr_t      intptr_t;
  105 typedef __uintptr_t     uintptr_t;
  106 #define _INTPTR_T_DECLARED
  107 #endif
  108 
  109 typedef __uint8_t       u_int8_t;       /* unsigned integrals (deprecated) */
  110 typedef __uint16_t      u_int16_t;
  111 typedef __uint32_t      u_int32_t;
  112 typedef __uint64_t      u_int64_t;
  113 
  114 typedef __uint64_t      u_quad_t;       /* quads (deprecated) */
  115 typedef __int64_t       quad_t;
  116 typedef quad_t *        qaddr_t;
  117 
  118 typedef char *          caddr_t;        /* core address */
  119 typedef __const char *  c_caddr_t;      /* core address, pointer to const */
  120 typedef __volatile char *v_caddr_t;     /* core address, pointer to volatile */
  121 
  122 #ifndef _BLKSIZE_T_DECLARED
  123 typedef __blksize_t     blksize_t;
  124 #define _BLKSIZE_T_DECLARED
  125 #endif
  126 
  127 typedef __cpuwhich_t    cpuwhich_t;
  128 typedef __cpulevel_t    cpulevel_t;
  129 typedef __cpusetid_t    cpusetid_t;
  130 
  131 #ifndef _BLKCNT_T_DECLARED
  132 typedef __blkcnt_t      blkcnt_t;
  133 #define _BLKCNT_T_DECLARED
  134 #endif
  135 
  136 #ifndef _CLOCK_T_DECLARED
  137 typedef __clock_t       clock_t;
  138 #define _CLOCK_T_DECLARED
  139 #endif
  140 
  141 #ifndef _CLOCKID_T_DECLARED
  142 typedef __clockid_t     clockid_t;
  143 #define _CLOCKID_T_DECLARED
  144 #endif
  145 
  146 typedef __cpumask_t     cpumask_t;
  147 typedef __critical_t    critical_t;     /* Critical section value */
  148 typedef __int64_t       daddr_t;        /* disk address */
  149 
  150 #ifndef _DEV_T_DECLARED
  151 typedef __dev_t         dev_t;          /* device number or struct cdev */
  152 #define _DEV_T_DECLARED
  153 #endif
  154 
  155 #ifndef _FFLAGS_T_DECLARED
  156 typedef __fflags_t      fflags_t;       /* file flags */
  157 #define _FFLAGS_T_DECLARED
  158 #endif
  159 
  160 typedef __fixpt_t       fixpt_t;        /* fixed point number */
  161 
  162 #ifndef _FSBLKCNT_T_DECLARED            /* for statvfs() */
  163 typedef __fsblkcnt_t    fsblkcnt_t;
  164 typedef __fsfilcnt_t    fsfilcnt_t;
  165 #define _FSBLKCNT_T_DECLARED
  166 #endif
  167 
  168 #ifndef _GID_T_DECLARED
  169 typedef __gid_t         gid_t;          /* group id */
  170 #define _GID_T_DECLARED
  171 #endif
  172 
  173 #ifndef _IN_ADDR_T_DECLARED
  174 typedef __uint32_t      in_addr_t;      /* base type for internet address */
  175 #define _IN_ADDR_T_DECLARED
  176 #endif
  177 
  178 #ifndef _IN_PORT_T_DECLARED
  179 typedef __uint16_t      in_port_t;
  180 #define _IN_PORT_T_DECLARED
  181 #endif
  182 
  183 #ifndef _ID_T_DECLARED
  184 typedef __id_t          id_t;           /* can hold a uid_t or pid_t */
  185 #define _ID_T_DECLARED
  186 #endif
  187 
  188 #ifndef _INO_T_DECLARED
  189 typedef __ino_t         ino_t;          /* inode number */
  190 #define _INO_T_DECLARED
  191 #endif
  192 
  193 #ifndef _KEY_T_DECLARED
  194 typedef __key_t         key_t;          /* IPC key (for Sys V IPC) */
  195 #define _KEY_T_DECLARED
  196 #endif
  197 
  198 #ifndef _LWPID_T_DECLARED
  199 typedef __lwpid_t       lwpid_t;        /* Thread ID (a.k.a. LWP) */
  200 #define _LWPID_T_DECLARED
  201 #endif
  202 
  203 #ifndef _MODE_T_DECLARED
  204 typedef __mode_t        mode_t;         /* permissions */
  205 #define _MODE_T_DECLARED
  206 #endif
  207 
  208 #ifndef _NLINK_T_DECLARED
  209 typedef __nlink_t       nlink_t;        /* link count */
  210 #define _NLINK_T_DECLARED
  211 #endif
  212 
  213 #ifndef _ACCMODE_T_DECLARED
  214 typedef __accmode_t     accmode_t;      /* access permissions */
  215 #define _ACCMODE_T_DECLARED
  216 #endif
  217 
  218 #ifndef _OFF_T_DECLARED
  219 typedef __off_t         off_t;          /* file offset */
  220 #define _OFF_T_DECLARED
  221 #endif
  222 
  223 #ifndef _PID_T_DECLARED
  224 typedef __pid_t         pid_t;          /* process id */
  225 #define _PID_T_DECLARED
  226 #endif
  227 
  228 typedef __register_t    register_t;
  229 
  230 #ifndef _RLIM_T_DECLARED
  231 typedef __rlim_t        rlim_t;         /* resource limit */
  232 #define _RLIM_T_DECLARED
  233 #endif
  234 
  235 typedef __segsz_t       segsz_t;        /* segment size (in pages) */
  236 
  237 #ifndef _SIZE_T_DECLARED
  238 typedef __size_t        size_t;
  239 #define _SIZE_T_DECLARED
  240 #endif
  241 
  242 #ifndef _SSIZE_T_DECLARED
  243 typedef __ssize_t       ssize_t;
  244 #define _SSIZE_T_DECLARED
  245 #endif
  246 
  247 #ifndef _SUSECONDS_T_DECLARED
  248 typedef __suseconds_t   suseconds_t;    /* microseconds (signed) */
  249 #define _SUSECONDS_T_DECLARED
  250 #endif
  251 
  252 #ifndef _TIME_T_DECLARED
  253 typedef __time_t        time_t;
  254 #define _TIME_T_DECLARED
  255 #endif
  256 
  257 #ifndef _TIMER_T_DECLARED
  258 typedef __timer_t       timer_t;
  259 #define _TIMER_T_DECLARED
  260 #endif
  261 
  262 #ifndef _MQD_T_DECLARED
  263 typedef __mqd_t mqd_t;
  264 #define _MQD_T_DECLARED
  265 #endif
  266 
  267 typedef __u_register_t  u_register_t;
  268 
  269 #ifndef _UID_T_DECLARED
  270 typedef __uid_t         uid_t;          /* user id */
  271 #define _UID_T_DECLARED
  272 #endif
  273 
  274 #ifndef _USECONDS_T_DECLARED
  275 typedef __useconds_t    useconds_t;     /* microseconds (unsigned) */
  276 #define _USECONDS_T_DECLARED
  277 #endif
  278 
  279 typedef __vm_offset_t   vm_offset_t;
  280 typedef __vm_ooffset_t  vm_ooffset_t;
  281 typedef __vm_paddr_t    vm_paddr_t;
  282 typedef __vm_pindex_t   vm_pindex_t;
  283 typedef __vm_size_t     vm_size_t;
  284 
  285 #ifdef _KERNEL
  286 typedef int             boolean_t;
  287 typedef struct device   *device_t;
  288 typedef __intfptr_t     intfptr_t;
  289 
  290 /*-
  291  * XXX this is fixed width for historical reasons.  It should have had type
  292  * __int_fast32_t.  Fixed-width types should not be used unless binary
  293  * compatibility is essential.  Least-width types should be used even less
  294  * since they provide smaller benefits.
  295  * XXX should be MD.
  296  * XXX this is bogus in -current, but still used for spl*().
  297  */
  298 typedef __uint32_t      intrmask_t;     /* Interrupt mask (spl, xxx_imask...) */
  299 
  300 typedef __uintfptr_t    uintfptr_t;
  301 typedef __uint64_t      uoff_t;
  302 typedef char            vm_memattr_t;   /* memory attribute codes */
  303 typedef struct vm_page  *vm_page_t;
  304 
  305 #define offsetof(type, field) __offsetof(type, field)
  306 
  307 #endif /* !_KERNEL */
  308 
  309 /*
  310  * The following are all things that really shouldn't exist in this header,
  311  * since its purpose is to provide typedefs, not miscellaneous doodads.
  312  */
  313 #if __BSD_VISIBLE
  314 
  315 #include <sys/select.h>
  316 
  317 #ifndef _KERNEL
  318 /*
  319  * minor() gives a cookie instead of an index since we don't want to
  320  * change the meanings of bits 0-15 or waste time and space shifting
  321  * bits 16-31 for devices that don't use them.
  322  */
  323 #define major(x)        ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
  324 #define minor(x)        ((int)((x)&0xffff00ff))         /* minor number */
  325 #endif /* !_KERNEL */
  326 
  327 #define makedev(x,y)    ((dev_t)(((x) << 8) | (y)))     /* create dev_t */
  328 
  329 /*
  330  * These declarations belong elsewhere, but are repeated here and in
  331  * <stdio.h> to give broken programs a better chance of working with
  332  * 64-bit off_t's.
  333  */
  334 #ifndef _KERNEL
  335 __BEGIN_DECLS
  336 #ifndef _FTRUNCATE_DECLARED
  337 #define _FTRUNCATE_DECLARED
  338 int      ftruncate(int, off_t);
  339 #endif
  340 #ifndef _LSEEK_DECLARED
  341 #define _LSEEK_DECLARED
  342 off_t    lseek(int, off_t, int);
  343 #endif
  344 #ifndef _MMAP_DECLARED
  345 #define _MMAP_DECLARED
  346 void *   mmap(void *, size_t, int, int, int, off_t);
  347 #endif
  348 #ifndef _TRUNCATE_DECLARED
  349 #define _TRUNCATE_DECLARED
  350 int      truncate(const char *, off_t);
  351 #endif
  352 __END_DECLS
  353 #endif /* !_KERNEL */
  354 
  355 #endif /* __BSD_VISIBLE */
  356 
  357 #endif /* !_SYS_TYPES_H_ */

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