Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[linux-2.6.git] / include / asm-generic / posix_types.h
1 #ifndef __ASM_GENERIC_POSIX_TYPES_H
2 #define __ASM_GENERIC_POSIX_TYPES_H
3
4 #include <asm/bitsperlong.h>
5 /*
6  * This file is generally used by user-level software, so you need to
7  * be a little careful about namespace pollution etc.
8  *
9  * First the types that are often defined in different ways across
10  * architectures, so that you can override them.
11  */
12
13 #ifndef __kernel_ino_t
14 typedef unsigned long   __kernel_ino_t;
15 #endif
16
17 #ifndef __kernel_mode_t
18 typedef unsigned int    __kernel_mode_t;
19 #endif
20
21 #ifndef __kernel_nlink_t
22 typedef unsigned long   __kernel_nlink_t;
23 #endif
24
25 #ifndef __kernel_pid_t
26 typedef int             __kernel_pid_t;
27 #endif
28
29 #ifndef __kernel_ipc_pid_t
30 typedef int             __kernel_ipc_pid_t;
31 #endif
32
33 #ifndef __kernel_uid_t
34 typedef unsigned int    __kernel_uid_t;
35 typedef unsigned int    __kernel_gid_t;
36 #endif
37
38 #ifndef __kernel_suseconds_t
39 typedef long            __kernel_suseconds_t;
40 #endif
41
42 #ifndef __kernel_daddr_t
43 typedef int             __kernel_daddr_t;
44 #endif
45
46 #ifndef __kernel_uid32_t
47 typedef __kernel_uid_t  __kernel_uid32_t;
48 typedef __kernel_gid_t  __kernel_gid32_t;
49 #endif
50
51 #ifndef __kernel_old_uid_t
52 typedef __kernel_uid_t  __kernel_old_uid_t;
53 typedef __kernel_gid_t  __kernel_old_gid_t;
54 #endif
55
56 #ifndef __kernel_old_dev_t
57 typedef unsigned int    __kernel_old_dev_t;
58 #endif
59
60 /*
61  * Most 32 bit architectures use "unsigned int" size_t,
62  * and all 64 bit architectures use "unsigned long" size_t.
63  */
64 #ifndef __kernel_size_t
65 #if __BITS_PER_LONG != 64
66 typedef unsigned int    __kernel_size_t;
67 typedef int             __kernel_ssize_t;
68 typedef int             __kernel_ptrdiff_t;
69 #else
70 typedef unsigned long   __kernel_size_t;
71 typedef long            __kernel_ssize_t;
72 typedef long            __kernel_ptrdiff_t;
73 #endif
74 #endif
75
76 /*
77  * anything below here should be completely generic
78  */
79 typedef long            __kernel_off_t;
80 typedef long long       __kernel_loff_t;
81 typedef long            __kernel_time_t;
82 typedef long            __kernel_clock_t;
83 typedef int             __kernel_timer_t;
84 typedef int             __kernel_clockid_t;
85 typedef char *          __kernel_caddr_t;
86 typedef unsigned short  __kernel_uid16_t;
87 typedef unsigned short  __kernel_gid16_t;
88
89 typedef struct {
90         int     val[2];
91 } __kernel_fsid_t;
92
93 #ifdef __KERNEL__
94
95 #undef __FD_SET
96 static inline void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
97 {
98         unsigned long __tmp = __fd / __NFDBITS;
99         unsigned long __rem = __fd % __NFDBITS;
100         __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
101 }
102
103 #undef __FD_CLR
104 static inline void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
105 {
106         unsigned long __tmp = __fd / __NFDBITS;
107         unsigned long __rem = __fd % __NFDBITS;
108         __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
109 }
110
111 #undef __FD_ISSET
112 static inline int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
113 {
114         unsigned long __tmp = __fd / __NFDBITS;
115         unsigned long __rem = __fd % __NFDBITS;
116         return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
117 }
118
119 /*
120  * This will unroll the loop for the normal constant case (8 ints,
121  * for a 256-bit fd_set)
122  */
123 #undef __FD_ZERO
124 static inline void __FD_ZERO(__kernel_fd_set *__p)
125 {
126         unsigned long *__tmp = __p->fds_bits;
127         int __i;
128
129         if (__builtin_constant_p(__FDSET_LONGS)) {
130                 switch (__FDSET_LONGS) {
131                 case 16:
132                         __tmp[ 0] = 0; __tmp[ 1] = 0;
133                         __tmp[ 2] = 0; __tmp[ 3] = 0;
134                         __tmp[ 4] = 0; __tmp[ 5] = 0;
135                         __tmp[ 6] = 0; __tmp[ 7] = 0;
136                         __tmp[ 8] = 0; __tmp[ 9] = 0;
137                         __tmp[10] = 0; __tmp[11] = 0;
138                         __tmp[12] = 0; __tmp[13] = 0;
139                         __tmp[14] = 0; __tmp[15] = 0;
140                         return;
141
142                 case 8:
143                         __tmp[ 0] = 0; __tmp[ 1] = 0;
144                         __tmp[ 2] = 0; __tmp[ 3] = 0;
145                         __tmp[ 4] = 0; __tmp[ 5] = 0;
146                         __tmp[ 6] = 0; __tmp[ 7] = 0;
147                         return;
148
149                 case 4:
150                         __tmp[ 0] = 0; __tmp[ 1] = 0;
151                         __tmp[ 2] = 0; __tmp[ 3] = 0;
152                         return;
153                 }
154         }
155         __i = __FDSET_LONGS;
156         while (__i) {
157                 __i--;
158                 *__tmp = 0;
159                 __tmp++;
160         }
161 }
162
163 #endif /* __KERNEL__ */
164
165 #endif /* __ASM_GENERIC_POSIX_TYPES_H */