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1 #ifndef _ALPHA_POSIX_TYPES_H
2 #define _ALPHA_POSIX_TYPES_H
3 
4 /*
5  * This file is generally used by user-level software, so you need to
6  * be a little careful about namespace pollution etc.  Also, we cannot
7  * assume GCC is being used.
8  */
9 
10 typedef unsigned int	__kernel_ino_t;
11 typedef unsigned int	__kernel_mode_t;
12 typedef unsigned int	__kernel_nlink_t;
13 typedef long		__kernel_off_t;
14 typedef long long	__kernel_loff_t;
15 typedef int		__kernel_pid_t;
16 typedef int		__kernel_ipc_pid_t;
17 typedef unsigned int	__kernel_uid_t;
18 typedef unsigned int	__kernel_gid_t;
19 typedef unsigned long	__kernel_size_t;
20 typedef long		__kernel_ssize_t;
21 typedef long		__kernel_ptrdiff_t;
22 typedef long		__kernel_time_t;
23 typedef long		__kernel_suseconds_t;
24 typedef long		__kernel_clock_t;
25 typedef int		__kernel_daddr_t;
26 typedef char *		__kernel_caddr_t;
27 typedef unsigned long	__kernel_sigset_t;	/* at least 32 bits */
28 typedef unsigned short	__kernel_uid16_t;
29 typedef unsigned short	__kernel_gid16_t;
30 typedef int		__kernel_clockid_t;
31 typedef int		__kernel_timer_t;
32 
33 typedef struct {
34 	int	val[2];
35 } __kernel_fsid_t;
36 
37 typedef __kernel_uid_t __kernel_old_uid_t;
38 typedef __kernel_gid_t __kernel_old_gid_t;
39 typedef __kernel_uid_t __kernel_uid32_t;
40 typedef __kernel_gid_t __kernel_gid32_t;
41 
42 typedef unsigned int	__kernel_old_dev_t;
43 
44 #ifdef __KERNEL__
45 
46 #ifndef __GNUC__
47 
48 #define	__FD_SET(d, set)	((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
49 #define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
50 #define	__FD_ISSET(d, set)	(((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
51 #define	__FD_ZERO(set)	\
52   ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
53 
54 #else /* __GNUC__ */
55 
56 /* With GNU C, use inline functions instead so args are evaluated only once: */
57 
58 #undef __FD_SET
__FD_SET(unsigned long fd,__kernel_fd_set * fdsetp)59 static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
60 {
61 	unsigned long _tmp = fd / __NFDBITS;
62 	unsigned long _rem = fd % __NFDBITS;
63 	fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
64 }
65 
66 #undef __FD_CLR
__FD_CLR(unsigned long fd,__kernel_fd_set * fdsetp)67 static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
68 {
69 	unsigned long _tmp = fd / __NFDBITS;
70 	unsigned long _rem = fd % __NFDBITS;
71 	fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
72 }
73 
74 #undef __FD_ISSET
__FD_ISSET(unsigned long fd,const __kernel_fd_set * p)75 static __inline__ int __FD_ISSET(unsigned long fd, const __kernel_fd_set *p)
76 {
77 	unsigned long _tmp = fd / __NFDBITS;
78 	unsigned long _rem = fd % __NFDBITS;
79 	return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
80 }
81 
82 /*
83  * This will unroll the loop for the normal constant case (8 ints,
84  * for a 256-bit fd_set)
85  */
86 #undef __FD_ZERO
__FD_ZERO(__kernel_fd_set * p)87 static __inline__ void __FD_ZERO(__kernel_fd_set *p)
88 {
89 	unsigned long *tmp = p->fds_bits;
90 	int i;
91 
92 	if (__builtin_constant_p(__FDSET_LONGS)) {
93 		switch (__FDSET_LONGS) {
94 		      case 16:
95 			tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
96 			tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
97 			tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
98 			tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
99 			return;
100 
101 		      case 8:
102 			tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
103 			tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
104 			return;
105 
106 		      case 4:
107 			tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
108 			return;
109 		}
110 	}
111 	i = __FDSET_LONGS;
112 	while (i) {
113 		i--;
114 		*tmp = 0;
115 		tmp++;
116 	}
117 }
118 
119 #endif /* __GNUC__ */
120 
121 #endif /* __KERNEL__ */
122 
123 #endif /* _ALPHA_POSIX_TYPES_H */
124