2 * include/asm-xtensa/posix_types.h
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
8 * Largely copied from include/asm-ppc/posix_types.h
10 * Copyright (C) 2001 - 2005 Tensilica Inc.
13 #ifndef _XTENSA_POSIX_TYPES_H
14 #define _XTENSA_POSIX_TYPES_H
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.
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;
45 typedef unsigned short __kernel_old_uid_t;
46 typedef unsigned short __kernel_old_gid_t;
47 typedef unsigned short __kernel_old_dev_t;
50 typedef long long __kernel_loff_t;
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 ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
67 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \
68 || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
69 /* With GNU C, use inline functions instead so args are evaluated only once: */
72 static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
74 unsigned long _tmp = fd / __NFDBITS;
75 unsigned long _rem = fd % __NFDBITS;
76 fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
80 static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
82 unsigned long _tmp = fd / __NFDBITS;
83 unsigned long _rem = fd % __NFDBITS;
84 fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
88 static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
90 unsigned long _tmp = fd / __NFDBITS;
91 unsigned long _rem = fd % __NFDBITS;
92 return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
96 * This will unroll the loop for the normal constant case (8 ints,
97 * for a 256-bit fd_set)
100 static __inline__ void __FD_ZERO(__kernel_fd_set *p)
102 unsigned int *tmp = (unsigned int *)p->fds_bits;
105 if (__builtin_constant_p(__FDSET_LONGS)) {
106 switch (__FDSET_LONGS) {
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;
121 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
122 #endif /* __GNUC__ */
123 #endif /* _XTENSA_POSIX_TYPES_H */