0aee34f9da9f8bf7f267d957d5be7ba9faf281f5
[linux-2.6.git] / include / linux / types.h
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 #endif
12
13 #include <linux/posix_types.h>
14 #include <asm/types.h>
15
16 #ifndef __KERNEL_STRICT_NAMES
17
18 typedef __u32 __kernel_dev_t;
19
20 typedef __kernel_fd_set         fd_set;
21 typedef __kernel_dev_t          dev_t;
22 typedef __kernel_ino_t          ino_t;
23 typedef __kernel_mode_t         mode_t;
24 typedef __kernel_nlink_t        nlink_t;
25 typedef __kernel_off_t          off_t;
26 typedef __kernel_pid_t          pid_t;
27 typedef __kernel_daddr_t        daddr_t;
28 typedef __kernel_key_t          key_t;
29 typedef __kernel_suseconds_t    suseconds_t;
30 typedef __kernel_timer_t        timer_t;
31 typedef __kernel_clockid_t      clockid_t;
32 typedef __kernel_mqd_t          mqd_t;
33
34 #ifdef __KERNEL__
35 typedef __kernel_uid32_t        uid_t;
36 typedef __kernel_gid32_t        gid_t;
37 typedef __kernel_uid16_t        uid16_t;
38 typedef __kernel_gid16_t        gid16_t;
39
40 #ifdef CONFIG_UID16
41 /* This is defined by include/asm-{arch}/posix_types.h */
42 typedef __kernel_old_uid_t      old_uid_t;
43 typedef __kernel_old_gid_t      old_gid_t;
44 #endif /* CONFIG_UID16 */
45
46 /* libc5 includes this file to define uid_t, thus uid_t can never change
47  * when it is included by non-kernel code
48  */
49 #else
50 typedef __kernel_uid_t          uid_t;
51 typedef __kernel_gid_t          gid_t;
52 #endif /* __KERNEL__ */
53
54 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
55 typedef __kernel_loff_t         loff_t;
56 #endif
57
58 /*
59  * The following typedefs are also protected by individual ifdefs for
60  * historical reasons:
61  */
62 #ifndef _SIZE_T
63 #define _SIZE_T
64 typedef __kernel_size_t         size_t;
65 #endif
66
67 #ifndef _SSIZE_T
68 #define _SSIZE_T
69 typedef __kernel_ssize_t        ssize_t;
70 #endif
71
72 #ifndef _PTRDIFF_T
73 #define _PTRDIFF_T
74 typedef __kernel_ptrdiff_t      ptrdiff_t;
75 #endif
76
77 #ifndef _TIME_T
78 #define _TIME_T
79 typedef __kernel_time_t         time_t;
80 #endif
81
82 #ifndef _CLOCK_T
83 #define _CLOCK_T
84 typedef __kernel_clock_t        clock_t;
85 #endif
86
87 #ifndef _CADDR_T
88 #define _CADDR_T
89 typedef __kernel_caddr_t        caddr_t;
90 #endif
91
92 /* bsd */
93 typedef unsigned char           u_char;
94 typedef unsigned short          u_short;
95 typedef unsigned int            u_int;
96 typedef unsigned long           u_long;
97
98 /* sysv */
99 typedef unsigned char           unchar;
100 typedef unsigned short          ushort;
101 typedef unsigned int            uint;
102 typedef unsigned long           ulong;
103
104 #ifndef __BIT_TYPES_DEFINED__
105 #define __BIT_TYPES_DEFINED__
106
107 typedef         __u8            u_int8_t;
108 typedef         __s8            int8_t;
109 typedef         __u16           u_int16_t;
110 typedef         __s16           int16_t;
111 typedef         __u32           u_int32_t;
112 typedef         __s32           int32_t;
113
114 #endif /* !(__BIT_TYPES_DEFINED__) */
115
116 typedef         __u8            uint8_t;
117 typedef         __u16           uint16_t;
118 typedef         __u32           uint32_t;
119
120 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
121 typedef         __u64           uint64_t;
122 typedef         __u64           u_int64_t;
123 typedef         __s64           int64_t;
124 #endif
125
126 /* this is a special 64bit data type that is 8-byte aligned */
127 #define aligned_u64 unsigned long long __attribute__((aligned(8)))
128
129 /*
130  * The type used for indexing onto a disc or disc partition.
131  * If required, asm/types.h can override it and define
132  * HAVE_SECTOR_T
133  */
134 #ifndef HAVE_SECTOR_T
135 typedef unsigned long sector_t;
136 #endif
137
138 /*
139  * The type of an index into the pagecache.  Use a #define so asm/types.h
140  * can override it.
141  */
142 #ifndef pgoff_t
143 #define pgoff_t unsigned long
144 #endif
145
146 #endif /* __KERNEL_STRICT_NAMES */
147
148 /*
149  * Below are truly Linux-specific types that should never collide with
150  * any application/library that wants linux/types.h.
151  */
152
153 #ifdef __CHECKER__
154 #define __bitwise __attribute__((bitwise))
155 #else
156 #define __bitwise
157 #endif
158
159 typedef __u16 __bitwise __le16;
160 typedef __u16 __bitwise __be16;
161 typedef __u32 __bitwise __le32;
162 typedef __u32 __bitwise __be32;
163 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
164 typedef __u64 __bitwise __le64;
165 typedef __u64 __bitwise __be64;
166 #endif
167
168 #ifdef __KERNEL__
169 typedef unsigned __nocast gfp_t;
170 #endif
171
172 struct ustat {
173         __kernel_daddr_t        f_tfree;
174         __kernel_ino_t          f_tinode;
175         char                    f_fname[6];
176         char                    f_fpack[6];
177 };
178
179 #endif /* _LINUX_TYPES_H */