1/* bits/typesizes.h -- underlying types for *_t. For the generic Linux ABI.
2 Copyright (C) 2011-2022 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#if __TIMESIZE == 64 && __WORDSIZE == 32
29/* These are the "new" y2038 types defined for architectures added after
30 the 5.1 kernel. */
31# define __INO_T_TYPE __UQUAD_TYPE
32# define __OFF_T_TYPE __SQUAD_TYPE
33# define __RLIM_T_TYPE __UQUAD_TYPE
34# define __BLKCNT_T_TYPE __SQUAD_TYPE
35# define __FSBLKCNT_T_TYPE __UQUAD_TYPE
36# define __FSFILCNT_T_TYPE __UQUAD_TYPE
37# define __TIME_T_TYPE __SQUAD_TYPE
38# define __SUSECONDS_T_TYPE __SQUAD_TYPE
39#else
40# define __INO_T_TYPE __ULONGWORD_TYPE
41# define __OFF_T_TYPE __SLONGWORD_TYPE
42# define __RLIM_T_TYPE __ULONGWORD_TYPE
43# define __BLKCNT_T_TYPE __SLONGWORD_TYPE
44# define __FSBLKCNT_T_TYPE __ULONGWORD_TYPE
45# define __FSFILCNT_T_TYPE __ULONGWORD_TYPE
46# define __TIME_T_TYPE __SLONGWORD_TYPE
47# define __SUSECONDS_T_TYPE __SLONGWORD_TYPE
48#endif
49
50#define __DEV_T_TYPE __UQUAD_TYPE
51#define __UID_T_TYPE __U32_TYPE
52#define __GID_T_TYPE __U32_TYPE
53#define __INO64_T_TYPE __UQUAD_TYPE
54#define __MODE_T_TYPE __U32_TYPE
55#define __NLINK_T_TYPE __U32_TYPE
56#define __OFF64_T_TYPE __SQUAD_TYPE
57#define __PID_T_TYPE __S32_TYPE
58#define __RLIM64_T_TYPE __UQUAD_TYPE
59#define __BLKCNT64_T_TYPE __SQUAD_TYPE
60#define __FSBLKCNT64_T_TYPE __UQUAD_TYPE
61#define __FSFILCNT64_T_TYPE __UQUAD_TYPE
62#define __FSWORD_T_TYPE __SWORD_TYPE
63#define __ID_T_TYPE __U32_TYPE
64#define __CLOCK_T_TYPE __SLONGWORD_TYPE
65#define __USECONDS_T_TYPE __U32_TYPE
66#define __SUSECONDS64_T_TYPE __SQUAD_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 __S32_TYPE
72#define __FSID_T_TYPE struct { int __val[2]; }
73#define __SSIZE_T_TYPE __SWORD_TYPE
74#define __SYSCALL_SLONG_TYPE __SLONGWORD_TYPE
75#define __SYSCALL_ULONG_TYPE __ULONGWORD_TYPE
76#define __CPU_MASK_TYPE __ULONGWORD_TYPE
77
78#if defined __LP64__ || (__TIMESIZE == 64 && __WORDSIZE == 32)
79/* Tell the libc code that off_t and off64_t are actually the same type
80 for all ABI purposes, even if possibly expressed as different base types
81 for C type-checking purposes. */
82# define __OFF_T_MATCHES_OFF64_T 1
83
84/* Same for ino_t and ino64_t. */
85# define __INO_T_MATCHES_INO64_T 1
86
87/* And for __rlim_t and __rlim64_t. */
88# define __RLIM_T_MATCHES_RLIM64_T 1
89
90/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t. */
91# define __STATFS_MATCHES_STATFS64 1
92
93/* And for getitimer, setitimer and rusage */
94# define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 (__WORDSIZE == 64)
95#else
96# define __RLIM_T_MATCHES_RLIM64_T 0
97
98# define __STATFS_MATCHES_STATFS64 0
99
100# define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 0
101#endif
102
103/* Number of descriptors that can fit in an `fd_set'. */
104#define __FD_SETSIZE 1024
105
106
107#endif /* bits/typesizes.h */
108