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1 | /* |
2 | * include/asm-xtensa/posix_types.h | |
3 | * | |
4 | * This file is subject to the terms and conditions of the GNU General Public | |
5 | * License. See the file "COPYING" in the main directory of this archive | |
6 | * for more details. | |
7 | * | |
8 | * Largely copied from include/asm-ppc/posix_types.h | |
9 | * | |
10 | * Copyright (C) 2001 - 2005 Tensilica Inc. | |
11 | */ | |
12 | ||
13 | #ifndef _XTENSA_POSIX_TYPES_H | |
14 | #define _XTENSA_POSIX_TYPES_H | |
15 | ||
16 | /* | |
17 | * This file is generally used by user-level software, so you need to | |
18 | * be a little careful about namespace pollution etc. Also, we cannot | |
19 | * assume GCC is being used. | |
20 | */ | |
21 | ||
22 | typedef unsigned long __kernel_ino_t; | |
23 | typedef unsigned int __kernel_mode_t; | |
fc4fb2ad | 24 | typedef unsigned long __kernel_nlink_t; |
9a8fd558 CZ |
25 | typedef long __kernel_off_t; |
26 | typedef int __kernel_pid_t; | |
27 | typedef unsigned short __kernel_ipc_pid_t; | |
28 | typedef unsigned int __kernel_uid_t; | |
29 | typedef unsigned int __kernel_gid_t; | |
30 | typedef unsigned int __kernel_size_t; | |
31 | typedef int __kernel_ssize_t; | |
32 | typedef long __kernel_ptrdiff_t; | |
33 | typedef long __kernel_time_t; | |
34 | typedef long __kernel_suseconds_t; | |
35 | typedef long __kernel_clock_t; | |
36 | typedef int __kernel_timer_t; | |
37 | typedef int __kernel_clockid_t; | |
38 | typedef int __kernel_daddr_t; | |
39 | typedef char * __kernel_caddr_t; | |
40 | typedef unsigned short __kernel_uid16_t; | |
41 | typedef unsigned short __kernel_gid16_t; | |
42 | typedef unsigned int __kernel_uid32_t; | |
43 | typedef unsigned int __kernel_gid32_t; | |
44 | ||
45 | typedef unsigned short __kernel_old_uid_t; | |
46 | typedef unsigned short __kernel_old_gid_t; | |
47 | typedef unsigned short __kernel_old_dev_t; | |
48 | ||
49 | #ifdef __GNUC__ | |
50 | typedef long long __kernel_loff_t; | |
51 | #endif | |
52 | ||
53 | typedef struct { | |
54 | int val[2]; | |
55 | } __kernel_fsid_t; | |
56 | ||
57 | #ifndef __GNUC__ | |
58 | ||
59 | #define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) | |
60 | #define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) | |
61 | #define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) | |
62 | #define __FD_ZERO(set) \ | |
aae7d14f | 63 | ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set))) |
9a8fd558 CZ |
64 | |
65 | #else /* __GNUC__ */ | |
66 | ||
531d7d42 | 67 | #if defined(__KERNEL__) |
9a8fd558 CZ |
68 | /* With GNU C, use inline functions instead so args are evaluated only once: */ |
69 | ||
70 | #undef __FD_SET | |
71 | static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) | |
72 | { | |
73 | unsigned long _tmp = fd / __NFDBITS; | |
74 | unsigned long _rem = fd % __NFDBITS; | |
75 | fdsetp->fds_bits[_tmp] |= (1UL<<_rem); | |
76 | } | |
77 | ||
78 | #undef __FD_CLR | |
79 | static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) | |
80 | { | |
81 | unsigned long _tmp = fd / __NFDBITS; | |
82 | unsigned long _rem = fd % __NFDBITS; | |
83 | fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); | |
84 | } | |
85 | ||
86 | #undef __FD_ISSET | |
87 | static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p) | |
88 | { | |
89 | unsigned long _tmp = fd / __NFDBITS; | |
90 | unsigned long _rem = fd % __NFDBITS; | |
91 | return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; | |
92 | } | |
93 | ||
94 | /* | |
95 | * This will unroll the loop for the normal constant case (8 ints, | |
96 | * for a 256-bit fd_set) | |
97 | */ | |
98 | #undef __FD_ZERO | |
99 | static __inline__ void __FD_ZERO(__kernel_fd_set *p) | |
100 | { | |
101 | unsigned int *tmp = (unsigned int *)p->fds_bits; | |
102 | int i; | |
103 | ||
104 | if (__builtin_constant_p(__FDSET_LONGS)) { | |
105 | switch (__FDSET_LONGS) { | |
106 | case 8: | |
107 | tmp[0] = 0; tmp[1] = 0; tmp[2] = 0; tmp[3] = 0; | |
108 | tmp[4] = 0; tmp[5] = 0; tmp[6] = 0; tmp[7] = 0; | |
109 | return; | |
110 | } | |
111 | } | |
112 | i = __FDSET_LONGS; | |
113 | while (i) { | |
114 | i--; | |
115 | *tmp = 0; | |
116 | tmp++; | |
117 | } | |
118 | } | |
119 | ||
531d7d42 | 120 | #endif /* defined(__KERNEL__) */ |
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121 | #endif /* __GNUC__ */ |
122 | #endif /* _XTENSA_POSIX_TYPES_H */ |