Chris Zankel | 9a8fd55 | 2005-06-23 22:01:26 -0700 | [diff] [blame] | 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 short __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 ((__ptr_t) (set), 0, sizeof (__kernel_fd_set))) |
| 64 | |
| 65 | #else /* __GNUC__ */ |
| 66 | |
| 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: */ |
| 70 | |
| 71 | #undef __FD_SET |
| 72 | static __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 |
| 80 | static __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 |
| 88 | static __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 |
| 100 | static __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 */ |