Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#ifndef _LINUX_TYPES_H
2#define _LINUX_TYPES_H
3
4#ifdef __KERNEL__
5
6#define BITS_TO_LONGS(bits) \
7 (((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
8#define DECLARE_BITMAP(name,bits) \
9 unsigned long name[BITS_TO_LONGS(bits)]
10
11#define BITS_PER_BYTE 8
12#endif
13
14#include <linux/posix_types.h>
15#include <asm/types.h>
16
17#ifndef __KERNEL_STRICT_NAMES
18
19typedef __u32 __kernel_dev_t;
20
21typedef __kernel_fd_set fd_set;
22typedef __kernel_dev_t dev_t;
23typedef __kernel_ino_t ino_t;
24typedef __kernel_mode_t mode_t;
25typedef __kernel_nlink_t nlink_t;
26typedef __kernel_off_t off_t;
27typedef __kernel_pid_t pid_t;
28typedef __kernel_daddr_t daddr_t;
29typedef __kernel_key_t key_t;
30typedef __kernel_suseconds_t suseconds_t;
31typedef __kernel_timer_t timer_t;
32typedef __kernel_clockid_t clockid_t;
33typedef __kernel_mqd_t mqd_t;
34
35#ifdef __KERNEL__
36typedef _Bool bool;
37
38typedef __kernel_uid32_t uid_t;
39typedef __kernel_gid32_t gid_t;
40typedef __kernel_uid16_t uid16_t;
41typedef __kernel_gid16_t gid16_t;
42
43#ifdef CONFIG_UID16
44/* This is defined by include/asm-{arch}/posix_types.h */
45typedef __kernel_old_uid_t old_uid_t;
46typedef __kernel_old_gid_t old_gid_t;
47#endif /* CONFIG_UID16 */
48
49/* libc5 includes this file to define uid_t, thus uid_t can never change
50 * when it is included by non-kernel code
51 */
52#else
53typedef __kernel_uid_t uid_t;
54typedef __kernel_gid_t gid_t;
55#endif /* __KERNEL__ */
56
57#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
58typedef __kernel_loff_t loff_t;
59#endif
60
61/*
62 * The following typedefs are also protected by individual ifdefs for
63 * historical reasons:
64 */
65#ifndef _SIZE_T
66#define _SIZE_T
67typedef __kernel_size_t size_t;
68#endif
69
70#ifndef _SSIZE_T
71#define _SSIZE_T
72typedef __kernel_ssize_t ssize_t;
73#endif
74
75#ifndef _PTRDIFF_T
76#define _PTRDIFF_T
77typedef __kernel_ptrdiff_t ptrdiff_t;
78#endif
79
80#ifndef _TIME_T
81#define _TIME_T
82typedef __kernel_time_t time_t;
83#endif
84
85#ifndef _CLOCK_T
86#define _CLOCK_T
87typedef __kernel_clock_t clock_t;
88#endif
89
90#ifndef _CADDR_T
91#define _CADDR_T
92typedef __kernel_caddr_t caddr_t;
93#endif
94
95/* bsd */
96typedef unsigned char u_char;
97typedef unsigned short u_short;
98typedef unsigned int u_int;
99typedef unsigned long u_long;
100
101/* sysv */
102typedef unsigned char unchar;
103typedef unsigned short ushort;
104typedef unsigned int uint;
105typedef unsigned long ulong;
106
107#ifndef __BIT_TYPES_DEFINED__
108#define __BIT_TYPES_DEFINED__
109
110typedef __u8 u_int8_t;
111typedef __s8 int8_t;
112typedef __u16 u_int16_t;
113typedef __s16 int16_t;
114typedef __u32 u_int32_t;
115typedef __s32 int32_t;
116
117#endif /* !(__BIT_TYPES_DEFINED__) */
118
119typedef __u8 uint8_t;
120typedef __u16 uint16_t;
121typedef __u32 uint32_t;
122
123#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
124typedef __u64 uint64_t;
125typedef __u64 u_int64_t;
126typedef __s64 int64_t;
127#endif
128
129/* this is a special 64bit data type that is 8-byte aligned */
130#define aligned_u64 unsigned long long __attribute__((aligned(8)))
131
132/**
133 * The type used for indexing onto a disc or disc partition.
134 *
135 * Linux always considers sectors to be 512 bytes long independently
136 * of the devices real block size.
137 *
138 * If required, asm/types.h can override it and define
139 * HAVE_SECTOR_T
140 */
141#ifndef HAVE_SECTOR_T
142typedef unsigned long sector_t;
143#endif
144
145#ifndef HAVE_BLKCNT_T
146typedef unsigned long blkcnt_t;
147#endif
148
149/*
150 * The type of an index into the pagecache. Use a #define so asm/types.h
151 * can override it.
152 */
153#ifndef pgoff_t
154#define pgoff_t unsigned long
155#endif
156
157#endif /* __KERNEL_STRICT_NAMES */
158
159/*
160 * Below are truly Linux-specific types that should never collide with
161 * any application/library that wants linux/types.h.
162 */
163
164#ifdef __CHECKER__
165#define __bitwise__ __attribute__((bitwise))
166#else
167#define __bitwise__
168#endif
169#ifdef __CHECK_ENDIAN__
170#define __bitwise __bitwise__
171#else
172#define __bitwise
173#endif
174
175typedef __u16 __bitwise __le16;
176typedef __u16 __bitwise __be16;
177typedef __u32 __bitwise __le32;
178typedef __u32 __bitwise __be32;
179#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
180typedef __u64 __bitwise __le64;
181typedef __u64 __bitwise __be64;
182#endif
183
184#ifdef __KERNEL__
185typedef unsigned __bitwise__ gfp_t;
186
187#ifdef CONFIG_RESOURCES_64BIT
188typedef u64 resource_size_t;
189#else
190typedef u32 resource_size_t;
191#endif
192
193#endif /* __KERNEL__ */
194
195struct ustat {
196 __kernel_daddr_t f_tfree;
197 __kernel_ino_t f_tinode;
198 char f_fname[6];
199 char f_fpack[6];
200};
201
202#endif /* _LINUX_TYPES_H */