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
  27 /* Convenience types.  */
  28 typedef unsigned char __u_char;
  29 typedef unsigned short __u_short;
  30 typedef unsigned int __u_int;
  31 typedef unsigned long __u_long;
  32 #ifdef __GNUC__
  33 typedef unsigned long long int __u_quad_t;
  34 typedef long long int __quad_t;
  35 #else
  36 typedef struct
  37 {
  38   long __val[2];
  39 } __quad_t;
  40 typedef struct
  41 {
  42   __u_long __val[2];
  43 } __u_quad_t;
  44 #endif
  45 typedef signed char __int8_t;
  46 typedef unsigned char __uint8_t;
  47 typedef signed short int __int16_t;
  48 typedef unsigned short int __uint16_t;
  49 typedef signed int __int32_t;
  50 typedef unsigned int __uint32_t;
  51 #ifdef __GNUC__
  52 typedef signed long long int __int64_t;
  53 typedef unsigned long long int __uint64_t;
  54 #endif
  55 typedef __quad_t *__qaddr_t;
  56 typedef int __dev_t;            /* Type of device numbers.  */
  57 typedef unsigned int __uid_t;   /* Type of user identifications.  */
  58 typedef unsigned int __gid_t;   /* Type of group identifications.  */
  59 typedef unsigned int __ino_t;   /* Type of file serial numbers.  */
  60 typedef unsigned int __mode_t;  /* Type of file attribute bitmasks.  */
  61 typedef unsigned short int __nlink_t; /* Type of file link counts.  */
  62 typedef long int __off_t;       /* Type of file sizes and offsets.  */
  63 typedef __quad_t __loff_t;      /* Type of file sizes and offsets.  */
  64 typedef int __pid_t;            /* Type of process identifications.  */
  65 typedef int __ssize_t;          /* Type of a byte count, or error.  */
  66 typedef __u_quad_t __fsid_t;    /* Type of file system IDs.  */
  67 typedef long int __clock_t;     /* Type of CPU usage counts.  */
  68 typedef long int __rlim_t;      /* Type for resource measurement.  */
  69 typedef __quad_t __rlim64_t;    /* Type for resource measurement (LFS).  */
  70 typedef __quad_t __ino64_t;     /* Type for file serial numbers.  */
  71 typedef __loff_t __off64_t;     /* Type of file izes and offsets.  */
  72
  73 /* Everythin' else.  */
  74 typedef long int __daddr_t;     /* The type of a disk address.  */
  75 typedef char *__caddr_t;
  76 typedef long int __time_t;
  77 typedef long int __swblk_t;     /* Type of a swap block maybe?  */
  78 typedef long int __key_t;       /* Type of an IPC key */
  79 \f
  80 /* fd_set for select.  */
  81
  82 /* Number of descriptors that can fit in an `fd_set'.  */
  83 #define __FD_SETSIZE    256
  84
  85 /* It's easier to assume 8-bit bytes than to get CHAR_BIT.  */
  86 #define __NFDBITS       (sizeof (unsigned long int) * 8)
  87 #define __FDELT(d)      ((d) / __NFDBITS)
  88 #define __FDMASK(d)     (1 << ((d) % __NFDBITS))
  89
  90 typedef struct
  91   {
  92     /* XPG4.2 requires this member name.  */
  93     unsigned long int fds_bits[(__FD_SETSIZE + (__NFDBITS - 1)) / __NFDBITS];
  94   } __fd_set;
  95
  96 typedef unsigned long int __fd_mask;
  97
  98
  99 /* Types from the Large File Support interface.  */
 100
 101 /* Type to count number os disk blocks.  */
 102 typedef long int __blkcnt_t;
 103 typedef __quad_t __blkcnt64_t;
 104
 105 /* Type to count file system blocks.  */
 106 typedef unsigned int __fsblkcnt_t;
 107 typedef __u_quad_t __fsblkcnt64_t;
 108
 109 /* Type to count file system inodes.  */
 110 typedef unsigned long int __fsfilcnt_t;
 111 typedef __u_quad_t __fsfilcnt64_t;
 112
 113 #endif /* bits/types.h */