Arnd Bergmann | 6103ec5 | 2009-05-13 22:56:27 +0000 | [diff] [blame] | 1 | #ifndef __ASM_GENERIC_POSIX_TYPES_H |
| 2 | #define __ASM_GENERIC_POSIX_TYPES_H |
| 3 | |
| 4 | #include <asm/bitsperlong.h> |
| 5 | /* |
| 6 | * This file is generally used by user-level software, so you need to |
| 7 | * be a little careful about namespace pollution etc. |
| 8 | * |
| 9 | * First the types that are often defined in different ways across |
| 10 | * architectures, so that you can override them. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __kernel_ino_t |
| 14 | typedef unsigned long __kernel_ino_t; |
| 15 | #endif |
| 16 | |
| 17 | #ifndef __kernel_mode_t |
| 18 | typedef unsigned int __kernel_mode_t; |
| 19 | #endif |
| 20 | |
| 21 | #ifndef __kernel_nlink_t |
| 22 | typedef unsigned long __kernel_nlink_t; |
| 23 | #endif |
| 24 | |
| 25 | #ifndef __kernel_pid_t |
| 26 | typedef int __kernel_pid_t; |
| 27 | #endif |
| 28 | |
| 29 | #ifndef __kernel_ipc_pid_t |
| 30 | typedef int __kernel_ipc_pid_t; |
| 31 | #endif |
| 32 | |
| 33 | #ifndef __kernel_uid_t |
| 34 | typedef unsigned int __kernel_uid_t; |
| 35 | typedef unsigned int __kernel_gid_t; |
| 36 | #endif |
| 37 | |
| 38 | #ifndef __kernel_suseconds_t |
| 39 | typedef long __kernel_suseconds_t; |
| 40 | #endif |
| 41 | |
| 42 | #ifndef __kernel_daddr_t |
| 43 | typedef int __kernel_daddr_t; |
| 44 | #endif |
| 45 | |
| 46 | #ifndef __kernel_uid32_t |
| 47 | typedef __kernel_uid_t __kernel_uid32_t; |
| 48 | typedef __kernel_gid_t __kernel_gid32_t; |
| 49 | #endif |
| 50 | |
| 51 | #ifndef __kernel_old_uid_t |
| 52 | typedef __kernel_uid_t __kernel_old_uid_t; |
| 53 | typedef __kernel_gid_t __kernel_old_gid_t; |
| 54 | #endif |
| 55 | |
| 56 | #ifndef __kernel_old_dev_t |
| 57 | typedef unsigned int __kernel_old_dev_t; |
| 58 | #endif |
| 59 | |
| 60 | /* |
| 61 | * Most 32 bit architectures use "unsigned int" size_t, |
| 62 | * and all 64 bit architectures use "unsigned long" size_t. |
| 63 | */ |
| 64 | #ifndef __kernel_size_t |
| 65 | #if __BITS_PER_LONG != 64 |
| 66 | typedef unsigned int __kernel_size_t; |
| 67 | typedef int __kernel_ssize_t; |
| 68 | typedef int __kernel_ptrdiff_t; |
| 69 | #else |
| 70 | typedef unsigned long __kernel_size_t; |
| 71 | typedef long __kernel_ssize_t; |
| 72 | typedef long __kernel_ptrdiff_t; |
| 73 | #endif |
| 74 | #endif |
| 75 | |
| 76 | /* |
| 77 | * anything below here should be completely generic |
| 78 | */ |
| 79 | typedef long __kernel_off_t; |
| 80 | typedef long long __kernel_loff_t; |
| 81 | typedef long __kernel_time_t; |
| 82 | typedef long __kernel_clock_t; |
| 83 | typedef int __kernel_timer_t; |
| 84 | typedef int __kernel_clockid_t; |
| 85 | typedef char * __kernel_caddr_t; |
| 86 | typedef unsigned short __kernel_uid16_t; |
| 87 | typedef unsigned short __kernel_gid16_t; |
| 88 | |
| 89 | typedef struct { |
| 90 | int val[2]; |
| 91 | } __kernel_fsid_t; |
| 92 | |
| 93 | #ifdef __KERNEL__ |
| 94 | |
| 95 | #undef __FD_SET |
| 96 | static inline void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp) |
| 97 | { |
| 98 | unsigned long __tmp = __fd / __NFDBITS; |
| 99 | unsigned long __rem = __fd % __NFDBITS; |
| 100 | __fdsetp->fds_bits[__tmp] |= (1UL<<__rem); |
| 101 | } |
| 102 | |
| 103 | #undef __FD_CLR |
| 104 | static inline void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp) |
| 105 | { |
| 106 | unsigned long __tmp = __fd / __NFDBITS; |
| 107 | unsigned long __rem = __fd % __NFDBITS; |
| 108 | __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem); |
| 109 | } |
| 110 | |
| 111 | #undef __FD_ISSET |
| 112 | static inline int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p) |
| 113 | { |
| 114 | unsigned long __tmp = __fd / __NFDBITS; |
| 115 | unsigned long __rem = __fd % __NFDBITS; |
| 116 | return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0; |
| 117 | } |
| 118 | |
| 119 | /* |
| 120 | * This will unroll the loop for the normal constant case (8 ints, |
| 121 | * for a 256-bit fd_set) |
| 122 | */ |
| 123 | #undef __FD_ZERO |
| 124 | static inline void __FD_ZERO(__kernel_fd_set *__p) |
| 125 | { |
| 126 | unsigned long *__tmp = __p->fds_bits; |
| 127 | int __i; |
| 128 | |
| 129 | if (__builtin_constant_p(__FDSET_LONGS)) { |
| 130 | switch (__FDSET_LONGS) { |
| 131 | case 16: |
| 132 | __tmp[ 0] = 0; __tmp[ 1] = 0; |
| 133 | __tmp[ 2] = 0; __tmp[ 3] = 0; |
| 134 | __tmp[ 4] = 0; __tmp[ 5] = 0; |
| 135 | __tmp[ 6] = 0; __tmp[ 7] = 0; |
| 136 | __tmp[ 8] = 0; __tmp[ 9] = 0; |
| 137 | __tmp[10] = 0; __tmp[11] = 0; |
| 138 | __tmp[12] = 0; __tmp[13] = 0; |
| 139 | __tmp[14] = 0; __tmp[15] = 0; |
| 140 | return; |
| 141 | |
| 142 | case 8: |
| 143 | __tmp[ 0] = 0; __tmp[ 1] = 0; |
| 144 | __tmp[ 2] = 0; __tmp[ 3] = 0; |
| 145 | __tmp[ 4] = 0; __tmp[ 5] = 0; |
| 146 | __tmp[ 6] = 0; __tmp[ 7] = 0; |
| 147 | return; |
| 148 | |
| 149 | case 4: |
| 150 | __tmp[ 0] = 0; __tmp[ 1] = 0; |
| 151 | __tmp[ 2] = 0; __tmp[ 3] = 0; |
| 152 | return; |
| 153 | } |
| 154 | } |
| 155 | __i = __FDSET_LONGS; |
| 156 | while (__i) { |
| 157 | __i--; |
| 158 | *__tmp = 0; |
| 159 | __tmp++; |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | #endif /* __KERNEL__ */ |
| 164 | |
| 165 | #endif /* __ASM_GENERIC_POSIX_TYPES_H */ |