tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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__)
68/* With GNU C, use inline functions instead so args are evaluated only once: */
69
70#undef __FD_SET
71static __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
79static __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
87static __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
99static __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 */