sysdeps/unix/sysv/linux/alpha/bits/types.h

   1 /* Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 /*
  20  * Never include this file directly; use <sys/types.h> instead.
  21  */
  22
  23 #ifndef _BITS_TYPES_H
  24 #define _BITS_TYPES_H   1
  25
  26 #include <features.h>
  27
  28 /* Convenience types.  */
  29 typedef unsigned char __u_char;
  30 typedef unsigned short int __u_short;
  31 typedef unsigned int __u_int;
  32 typedef unsigned long int __u_long;
  33 typedef unsigned long int __u_quad_t;
  34 typedef long int __quad_t;
  35 typedef signed char __int8_t;
  36 typedef unsigned char __uint8_t;
  37 typedef signed short int __int16_t;
  38 typedef unsigned short int __uint16_t;
  39 typedef signed int __int32_t;
  40 typedef unsigned int __uint32_t;
  41 typedef signed long int __int64_t;
  42 typedef unsigned long int __uint64_t;
  43 typedef __quad_t *__qaddr_t;
  44
  45 typedef __uint64_t __dev_t;             /* Type of device numbers.  */
  46 typedef __uint32_t __uid_t;             /* Type of user identifications.  */
  47 typedef __uint32_t __gid_t;             /* Type of group identifications.  */
  48 typedef __uint32_t __ino_t;             /* Type of file serial numbers.  */
  49 typedef __uint64_t __ino64_t;           /*  "" (LFS) */
  50 typedef __uint32_t __mode_t;            /* Type of file attribute bitmasks.  */
  51 typedef __uint32_t __nlink_t;           /* Type of file link counts.  */
  52 typedef __int64_t  __off_t;             /* Type of file sizes and offsets.  */
  53 typedef __int64_t  __off64_t;           /*  "" (LFS) */
  54 typedef __int64_t  __loff_t;            /* Type of file sizes and offsets.  */
  55 typedef __int32_t  __pid_t;             /* Type of process identifications.  */
  56 typedef __int64_t  __ssize_t;           /* Type of a byte count, or error.  */
  57 typedef __int64_t  __rlim_t;            /* Type of resource counts.  */
  58 typedef __int64_t  __rlim64_t;          /*  "" (LFS) */
  59 typedef __int32_t  __blkcnt_t;          /* Type to count nr disk blocks.  */
  60 typedef __int64_t  __blkcnt64_t;        /*  "" (LFS) */
  61 typedef __uint32_t __fsblkcnt_t;        /* Type to count file system blocks.  */
  62 typedef __uint64_t __fsblkcnt64_t;      /*  "" (LFS) */
  63 typedef __uint64_t __fsfilcnt_t;        /* Type to count file system inodes.  */
  64 typedef __uint64_t __fsfilcnt64_t;      /*  "" (LFS) */
  65 typedef __uint32_t __id_t;              /* General type for IDs.  */
  66
  67 typedef struct
  68   {
  69     int __val[2];
  70   } __fsid_t;                           /* Type of file system IDs.  */
  71
  72 /* Everythin' else.  */
  73 typedef int __daddr_t;                  /* Type of a disk address.  */
  74 typedef char *__caddr_t;                /* Type of a core address.  */
  75 typedef long int __time_t;
  76 typedef long int __swblk_t;             /* Type of a swap block maybe?  */
  77 typedef long int __clock_t;
  78 typedef int __key_t;                    /* Type of a SYSV IPC key. */
  79
  80 /* Used in `struct shmid_ds'.  */
  81 typedef int __ipc_pid_t;
  82
  83 /* One element in the file descriptor mask array.  */
  84 typedef unsigned long int __fd_mask;
  85
  86 /* Due to incaution, we may have gotten these from a kernel header file.  */
  87 #undef __FD_SETSIZE
  88 #undef __NFDBITS
  89 #undef __FDMASK
  90
  91 /* Number of descriptors that can fit in an `fd_set'.  */
  92 #define __FD_SETSIZE    1024
  93
  94 /* It's easier to assume 8-bit bytes than to get CHAR_BIT.  */
  95 #define __NFDBITS       (8 * sizeof (__fd_mask))
  96 #define __FDELT(d)      ((d) / __NFDBITS)
  97 #define __FDMASK(d)     ((__fd_mask) 1 << ((d) % __NFDBITS))
  98
  99 /* fd_set for select and pselect.  */
 100 typedef struct
 101   {
 102     /* XPG4.2 requires this member name.  */
 103     __fd_mask fds_bits[__FD_SETSIZE / __NFDBITS];
 104   } __fd_set;
 105
 106 #endif /* bits/types.h */