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;
24 typedef unsigned long __kernel_nlink_t;
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) \
63 ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
64
65 #else /* __GNUC__ */
66
67 #if defined(__KERNEL__)
68 /* With GNU C, use inline functions instead so args are evaluated only once: */
69
70 #undef __FD_SET
__FD_SET(unsigned long fd,__kernel_fd_set * fdsetp)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
__FD_CLR(unsigned long fd,__kernel_fd_set * fdsetp)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
__FD_ISSET(unsigned long fd,__kernel_fd_set * p)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
__FD_ZERO(__kernel_fd_set * p)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
120 #endif /* defined(__KERNEL__) */
121 #endif /* __GNUC__ */
122 #endif /* _XTENSA_POSIX_TYPES_H */
123