sys/sys/types.h

   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  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      @(#)types.h     8.6 (Berkeley) 2/19/95
  39  * $FreeBSD: src/sys/sys/types.h,v 1.40.2.2 2001/04/21 14:53:06 ume Exp $
  40  * $DragonFly: src/sys/sys/types.h,v 1.11 2005/08/02 13:03:55 joerg Exp $
  41  */
  42
  43 #ifndef _SYS_TYPES_H_
  44 #define _SYS_TYPES_H_
  45
  46 #include <sys/cdefs.h>
  47 #include <stdint.h>
  48 #include <machine/stdarg.h>
  49 #include <machine/endian.h>
  50 #ifndef _MACHINE_TYPES_H_
  51 #include <machine/types.h>
  52 #endif
  53
  54 #ifndef _POSIX_SOURCE
  55 typedef unsigned char   u_char;
  56 typedef unsigned short  u_short;
  57 typedef unsigned int    u_int;
  58 typedef unsigned long   u_long;
  59 typedef unsigned short  ushort;         /* Sys V compatibility */
  60 typedef unsigned int    uint;           /* Sys V compatibility */
  61 #endif
  62
  63 typedef __uint8_t       u_int8_t;
  64 typedef __uint16_t      u_int16_t;
  65 typedef __uint32_t      u_int32_t;
  66 typedef __uint64_t      u_int64_t;
  67 typedef __uint64_t      u_quad_t;       /* quads */
  68 typedef __int64_t       quad_t;
  69 typedef quad_t *        qaddr_t;
  70
  71 typedef __int64_t       blkcnt_t;       /* file block count */
  72 typedef __int64_t       blksize_t;      /* block size */
  73 typedef char *          caddr_t;        /* core address */
  74 typedef const char *    c_caddr_t;      /* core address, pointer to const */
  75 typedef volatile char * v_caddr_t;      /* core address, pointer to volatile */
  76 typedef __int32_t       daddr_t;        /* disk address */
  77 typedef __uint32_t      u_daddr_t;      /* unsigned disk address */
  78 typedef __uint32_t      fixpt_t;        /* fixed point number */
  79 typedef __uint64_t      fsblkcnt_t;     /* filesystem block count */
  80 typedef __uint64_t      fsfilcnt_t;     /* filesystem file count */
  81 typedef __uint32_t      gid_t;          /* group id */
  82 typedef __int64_t       id_t;           /* general id, can hold gid/pid/uid_t */
  83 typedef __uint32_t      in_addr_t;      /* base type for internet address */
  84 typedef __uint16_t      in_port_t;
  85 #ifdef __BOOT2_HACK
  86 typedef __uint32_t      ino_t;          /* inode number */
  87 #else
  88 typedef __uint64_t      ino_t;          /* inode number */
  89 #endif
  90 typedef long            key_t;          /* IPC key (for Sys V IPC) */
  91 typedef __uint16_t      mode_t;         /* permissions */
  92 typedef __uint32_t      nlink_t;        /* link count */
  93 typedef __off_t         off_t;          /* file offset */
  94 typedef __pid_t         pid_t;          /* process id */
  95 typedef __pid_t         lwpid_t;        /* light weight process id */
  96 typedef quad_t          rlim_t;         /* resource limit */
  97 typedef __int32_t       segsz_t;        /* segment size */
  98 typedef __int32_t       swblk_t;        /* swap offset */
  99 typedef __int32_t       ufs_daddr_t;
 100 typedef __uint32_t      uid_t;          /* user id */
 101
 102 #ifdef _KERNEL
 103 typedef int             boolean_t;
 104 typedef u_int64_t       uoff_t;
 105 typedef struct vm_page  *vm_page_t;
 106
 107 struct specinfo;
 108
 109 typedef u_int32_t       udev_t;         /* device number */
 110 typedef struct specinfo *dev_t;
 111
 112 #define offsetof(type, field) __offsetof(type, field)
 113
 114 #else /* !_KERNEL */
 115
 116 typedef u_int32_t       dev_t;          /* device number */
 117 #define udev_t dev_t
 118
 119 #ifndef _POSIX_SOURCE
 120
 121 /*
 122  * minor() gives a cookie instead of an index since we don't want to
 123  * change the meanings of bits 0-15 or waste time and space shifting
 124  * bits 16-31 for devices that don't use them.
 125  */
 126 #define major(x)        ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
 127 #define minor(x)        ((int)((x)&0xffff00ff))         /* minor number */
 128 #define makedev(x,y)    ((dev_t)(((x) << 8) | (y)))     /* create dev_t */
 129
 130 #endif /* _POSIX_SOURCE */
 131
 132 #endif /* !_KERNEL */
 133
 134 #ifndef _CLOCK_T_DECLARED
 135 #define _CLOCK_T_DECLARED
 136 typedef __clock_t       clock_t;
 137 #endif
 138
 139 #ifndef _CLOCKID_T_DECLARED
 140 #define _CLOCKID_T_DECLARED
 141 typedef __clockid_t     clockid_t;
 142 #endif
 143
 144 #ifndef _SIZE_T_DECLARED
 145 #define _SIZE_T_DECLARED
 146 typedef __size_t        size_t;
 147 #endif
 148
 149 #ifndef _SSIZE_T_DECLARED
 150 #define _SSIZE_T_DECLARED
 151 typedef __ssize_t       ssize_t;
 152 #endif
 153
 154 #ifndef _TIME_T_DECLARED
 155 #define _TIME_T_DECLARED
 156 typedef __time_t        time_t;
 157 #endif
 158
 159 #ifndef _TIMER_T_DECLARED
 160 #define _TIMER_T_DECLARED
 161 typedef __timer_t       timer_t;
 162 #endif
 163
 164 #ifndef _POSIX_SOURCE
 165 #define NBBY    8               /* number of bits in a byte */
 166
 167 /*
 168  * Select uses bit masks of file descriptors in longs.  These macros
 169  * manipulate such bit fields (the filesystem macros use chars).
 170  * FD_SETSIZE may be defined by the user, but the default here should
 171  * be enough for most uses.
 172  */
 173 #ifndef FD_SETSIZE
 174 #define FD_SETSIZE      1024
 175 #endif
 176
 177 typedef unsigned long   fd_mask;
 178 #define NFDBITS (sizeof(fd_mask) * NBBY)        /* bits per mask */
 179
 180 #ifndef howmany
 181 #define howmany(x, y)   (((x) + ((y) - 1)) / (y))
 182 #endif
 183
 184 typedef struct fd_set {
 185         fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
 186 } fd_set;
 187
 188 #define _fdset_mask(n)  ((fd_mask)1 << ((n) % NFDBITS))
 189 #define FD_SET(n, p)    ((p)->fds_bits[(n)/NFDBITS] |= _fdset_mask(n))
 190 #define FD_CLR(n, p)    ((p)->fds_bits[(n)/NFDBITS] &= ~_fdset_mask(n))
 191 #define FD_ISSET(n, p)  ((p)->fds_bits[(n)/NFDBITS] & _fdset_mask(n))
 192 #define FD_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
 193 #define FD_ZERO(p)      bzero(p, sizeof(*(p)))
 194
 195 /*
 196  * These declarations belong elsewhere, but are repeated here and in
 197  * <stdio.h> to give broken programs a better chance of working with
 198  * 64-bit off_t's.
 199  */
 200 #ifndef _KERNEL
 201 __BEGIN_DECLS
 202 #ifndef _FTRUNCATE_DECLARED
 203 #define _FTRUNCATE_DECLARED
 204 int      ftruncate (int, off_t);
 205 #endif
 206 #ifndef _LSEEK_DECLARED
 207 #define _LSEEK_DECLARED
 208 off_t    lseek (int, off_t, int);
 209 #endif
 210 #ifndef _MMAP_DECLARED
 211 #define _MMAP_DECLARED
 212 void *   mmap (void *, size_t, int, int, int, off_t);
 213 #endif
 214 #ifndef _TRUNCATE_DECLARED
 215 #define _TRUNCATE_DECLARED
 216 int      truncate (const char *, off_t);
 217 #endif
 218 __END_DECLS
 219 #endif /* !_KERNEL */
 220
 221 #endif /* !_POSIX_SOURCE */
 222
 223 #endif /* !_SYS_TYPES_H_ */