1/* bits/typesizes.h -- underlying types for *_t. Linux/x86-64 version. 
2 Copyright (C) 2012-2020 Free Software Foundation, Inc. 
3 This file is part of the GNU C Library. 
4 
5 The GNU C Library is free software; you can redistribute it and/or 
6 modify it under the terms of the GNU Lesser General Public 
7 License as published by the Free Software Foundation; either 
8 version 2.1 of the License, or (at your option) any later version. 
9 
10 The GNU C Library is distributed in the hope that it will be useful, 
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
13 Lesser General Public License for more details. 
14 
15 You should have received a copy of the GNU Lesser General Public 
16 License along with the GNU C Library; if not, see 
17 <https://www.gnu.org/licenses/>. */ 
18 
19#ifndef _BITS_TYPES_H 
20# error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead." 
21#endif 
22 
23#ifndef _BITS_TYPESIZES_H 
24#define _BITS_TYPESIZES_H 1 
25 
26/* See <bits/types.h> for the meaning of these macros. This file exists so 
27 that <bits/types.h> need not vary across different GNU platforms. */ 
28 
29/* X32 kernel interface is 64-bit. */ 
30#if defined __x86_64__ && defined __ILP32__ 
31# define __SYSCALL_SLONG_TYPE __SQUAD_TYPE 
32# define __SYSCALL_ULONG_TYPE __UQUAD_TYPE 
33#else 
34# define __SYSCALL_SLONG_TYPE __SLONGWORD_TYPE 
35# define __SYSCALL_ULONG_TYPE __ULONGWORD_TYPE 
36#endif 
37 
38#define __DEV_T_TYPE __UQUAD_TYPE 
39#define __UID_T_TYPE __U32_TYPE 
40#define __GID_T_TYPE __U32_TYPE 
41#define __INO_T_TYPE __SYSCALL_ULONG_TYPE 
42#define __INO64_T_TYPE __UQUAD_TYPE 
43#define __MODE_T_TYPE __U32_TYPE 
44#ifdef __x86_64__ 
45# define __NLINK_T_TYPE __SYSCALL_ULONG_TYPE 
46# define __FSWORD_T_TYPE __SYSCALL_SLONG_TYPE 
47#else 
48# define __NLINK_T_TYPE __UWORD_TYPE 
49# define __FSWORD_T_TYPE __SWORD_TYPE 
50#endif 
51#define __OFF_T_TYPE __SYSCALL_SLONG_TYPE 
52#define __OFF64_T_TYPE __SQUAD_TYPE 
53#define __PID_T_TYPE __S32_TYPE 
54#define __RLIM_T_TYPE __SYSCALL_ULONG_TYPE 
55#define __RLIM64_T_TYPE __UQUAD_TYPE 
56#define __BLKCNT_T_TYPE __SYSCALL_SLONG_TYPE 
57#define __BLKCNT64_T_TYPE __SQUAD_TYPE 
58#define __FSBLKCNT_T_TYPE __SYSCALL_ULONG_TYPE 
59#define __FSBLKCNT64_T_TYPE __UQUAD_TYPE 
60#define __FSFILCNT_T_TYPE __SYSCALL_ULONG_TYPE 
61#define __FSFILCNT64_T_TYPE __UQUAD_TYPE 
62#define __ID_T_TYPE __U32_TYPE 
63#define __CLOCK_T_TYPE __SYSCALL_SLONG_TYPE 
64#define __TIME_T_TYPE __SYSCALL_SLONG_TYPE 
65#define __USECONDS_T_TYPE __U32_TYPE 
66#define __SUSECONDS_T_TYPE __SYSCALL_SLONG_TYPE 
67#define __DADDR_T_TYPE __S32_TYPE 
68#define __KEY_T_TYPE __S32_TYPE 
69#define __CLOCKID_T_TYPE __S32_TYPE 
70#define __TIMER_T_TYPE void * 
71#define __BLKSIZE_T_TYPE __SYSCALL_SLONG_TYPE 
72#define __FSID_T_TYPE struct { int __val[2]; } 
73#define __SSIZE_T_TYPE __SWORD_TYPE 
74#define __CPU_MASK_TYPE __SYSCALL_ULONG_TYPE 
75 
76#ifdef __x86_64__ 
77/* Tell the libc code that off_t and off64_t are actually the same type 
78 for all ABI purposes, even if possibly expressed as different base types 
79 for C type-checking purposes. */ 
80# define __OFF_T_MATCHES_OFF64_T 1 
81 
82/* Same for ino_t and ino64_t. */ 
83# define __INO_T_MATCHES_INO64_T 1 
84 
85/* And for __rlim_t and __rlim64_t. */ 
86# define __RLIM_T_MATCHES_RLIM64_T 1 
87 
88/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t. */ 
89# define __STATFS_MATCHES_STATFS64 1 
90#else 
91# define __RLIM_T_MATCHES_RLIM64_T 0 
92 
93# define __STATFS_MATCHES_STATFS64 0 
94#endif 
95 
96/* Number of descriptors that can fit in an `fd_set'. */ 
97#define __FD_SETSIZE 1024 
98 
99 
100#endif /* bits/typesizes.h */ 
101