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