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
22typedef unsigned long	__kernel_ino_t;
23typedef unsigned int	__kernel_mode_t;
24typedef unsigned long	__kernel_nlink_t;
25typedef long		__kernel_off_t;
26typedef int		__kernel_pid_t;
27typedef unsigned short	__kernel_ipc_pid_t;
28typedef unsigned int	__kernel_uid_t;
29typedef unsigned int	__kernel_gid_t;
30typedef unsigned int	__kernel_size_t;
31typedef int		__kernel_ssize_t;
32typedef long		__kernel_ptrdiff_t;
33typedef long		__kernel_time_t;
34typedef long		__kernel_suseconds_t;
35typedef long		__kernel_clock_t;
36typedef int		__kernel_timer_t;
37typedef int		__kernel_clockid_t;
38typedef int		__kernel_daddr_t;
39typedef char *		__kernel_caddr_t;
40typedef unsigned short	__kernel_uid16_t;
41typedef unsigned short	__kernel_gid16_t;
42typedef unsigned int	__kernel_uid32_t;
43typedef unsigned int	__kernel_gid32_t;
44
45typedef unsigned short	__kernel_old_uid_t;
46typedef unsigned short	__kernel_old_gid_t;
47typedef unsigned short	__kernel_old_dev_t;
48
49#ifdef __GNUC__
50typedef long long	__kernel_loff_t;
51#endif
52
53typedef 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__) || !defined(__GLIBC__) || (__GLIBC__ < 2) || (__GLIBC__ == 2 && \
68	__GLIBC_MINOR__ == 0)
69/* With GNU C, use inline functions instead so args are evaluated only once: */
70
71#undef __FD_SET
72static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
73{
74	unsigned long _tmp = fd / __NFDBITS;
75	unsigned long _rem = fd % __NFDBITS;
76	fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
77}
78
79#undef __FD_CLR
80static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
81{
82	unsigned long _tmp = fd / __NFDBITS;
83	unsigned long _rem = fd % __NFDBITS;
84	fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
85}
86
87#undef __FD_ISSET
88static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
89{
90	unsigned long _tmp = fd / __NFDBITS;
91	unsigned long _rem = fd % __NFDBITS;
92	return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
93}
94
95/*
96 * This will unroll the loop for the normal constant case (8 ints,
97 * for a 256-bit fd_set)
98 */
99#undef __FD_ZERO
100static __inline__ void __FD_ZERO(__kernel_fd_set *p)
101{
102	unsigned int *tmp = (unsigned int *)p->fds_bits;
103	int i;
104
105	if (__builtin_constant_p(__FDSET_LONGS)) {
106		switch (__FDSET_LONGS) {
107			case 8:
108				tmp[0] = 0; tmp[1] = 0; tmp[2] = 0; tmp[3] = 0;
109				tmp[4] = 0; tmp[5] = 0; tmp[6] = 0; tmp[7] = 0;
110				return;
111		}
112	}
113	i = __FDSET_LONGS;
114	while (i) {
115		i--;
116		*tmp = 0;
117		tmp++;
118	}
119}
120
121#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
122#endif /* __GNUC__ */
123#endif /* _XTENSA_POSIX_TYPES_H */
124