1 /* $Id: posix_types.h,v 1.6 2000/02/04 23:32:54 ralf Exp $ 2 * 3 * This file is subject to the terms and conditions of the GNU General Public 4 * License. See the file "COPYING" in the main directory of this archive 5 * for more details. 6 * 7 * Copyright (C) 1996, 1997, 1998, 2000 by Ralf Baechle 8 */ 9 #ifndef _ASM_POSIX_TYPES_H 10 #define _ASM_POSIX_TYPES_H 11 12 /* 13 * This file is generally used by user-level software, so you need to 14 * be a little careful about namespace pollution etc. Also, we cannot 15 * assume GCC is being used. 16 */ 17 18 typedef unsigned int __kernel_dev_t; 19 typedef unsigned long __kernel_ino_t; 20 typedef unsigned int __kernel_mode_t; 21 typedef int __kernel_nlink_t; 22 typedef long __kernel_off_t; 23 typedef int __kernel_pid_t; 24 typedef int __kernel_ipc_pid_t; 25 typedef int __kernel_uid_t; 26 typedef int __kernel_gid_t; 27 typedef unsigned int __kernel_size_t; 28 typedef int __kernel_ssize_t; 29 typedef int __kernel_ptrdiff_t; 30 typedef long __kernel_time_t; 31 typedef long __kernel_suseconds_t; 32 typedef long __kernel_clock_t; 33 typedef long __kernel_daddr_t; 34 typedef char * __kernel_caddr_t; 35 36 typedef unsigned short __kernel_uid16_t; 37 typedef unsigned short __kernel_gid16_t; 38 typedef int __kernel_uid32_t; 39 typedef int __kernel_gid32_t; 40 typedef __kernel_uid_t __kernel_old_uid_t; 41 typedef __kernel_gid_t __kernel_old_gid_t; 42 43 #ifdef __GNUC__ 44 typedef long long __kernel_loff_t; 45 #endif 46 47 typedef struct { 48 long val[2]; 49 } __kernel_fsid_t; 50 51 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) 52 53 #undef __FD_SET 54 static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp) 55 { 56 unsigned long __tmp = __fd / __NFDBITS; 57 unsigned long __rem = __fd % __NFDBITS; 58 __fdsetp->fds_bits[__tmp] |= (1UL<<__rem); 59 } 60 61 #undef __FD_CLR 62 static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp) 63 { 64 unsigned long __tmp = __fd / __NFDBITS; 65 unsigned long __rem = __fd % __NFDBITS; 66 __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem); 67 } 68 69 #undef __FD_ISSET 70 static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p) 71 { 72 unsigned long __tmp = __fd / __NFDBITS; 73 unsigned long __rem = __fd % __NFDBITS; 74 return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0; 75 } 76 77 /* 78 * This will unroll the loop for the normal constant case (8 ints, 79 * for a 256-bit fd_set) 80 */ 81 #undef __FD_ZERO 82 static __inline__ void __FD_ZERO(__kernel_fd_set *__p) 83 { 84 unsigned long *__tmp = __p->fds_bits; 85 int __i; 86 87 if (__builtin_constant_p(__FDSET_LONGS)) { 88 switch (__FDSET_LONGS) { 89 case 16: 90 __tmp[ 0] = 0; __tmp[ 1] = 0; 91 __tmp[ 2] = 0; __tmp[ 3] = 0; 92 __tmp[ 4] = 0; __tmp[ 5] = 0; 93 __tmp[ 6] = 0; __tmp[ 7] = 0; 94 __tmp[ 8] = 0; __tmp[ 9] = 0; 95 __tmp[10] = 0; __tmp[11] = 0; 96 __tmp[12] = 0; __tmp[13] = 0; 97 __tmp[14] = 0; __tmp[15] = 0; 98 return; 99 100 case 8: 101 __tmp[ 0] = 0; __tmp[ 1] = 0; 102 __tmp[ 2] = 0; __tmp[ 3] = 0; 103 __tmp[ 4] = 0; __tmp[ 5] = 0; 104 __tmp[ 6] = 0; __tmp[ 7] = 0; 105 return; 106 107 case 4: 108 __tmp[ 0] = 0; __tmp[ 1] = 0; 109 __tmp[ 2] = 0; __tmp[ 3] = 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) */ 122 123 #endif /* _ASM_POSIX_TYPES_H */ 124