1 /* 2 * Copyright (C) 1996, 1997, 1998, 2000 by Ralf Baechle 3 * 4 * SPDX-License-Identifier: GPL-2.0 5 */ 6 #ifndef _ASM_POSIX_TYPES_H 7 #define _ASM_POSIX_TYPES_H 8 9 /* 10 * This file is generally used by user-level software, so you need to 11 * be a little careful about namespace pollution etc. Also, we cannot 12 * assume GCC is being used. 13 */ 14 15 typedef unsigned int __kernel_dev_t; 16 typedef unsigned long __kernel_ino_t; 17 typedef unsigned int __kernel_mode_t; 18 typedef int __kernel_nlink_t; 19 typedef long __kernel_off_t; 20 typedef int __kernel_pid_t; 21 typedef int __kernel_ipc_pid_t; 22 typedef int __kernel_uid_t; 23 typedef int __kernel_gid_t; 24 #if _MIPS_SZLONG != 64 25 typedef unsigned int __kernel_size_t; 26 typedef int __kernel_ssize_t; 27 typedef int __kernel_ptrdiff_t; 28 #else 29 typedef unsigned long __kernel_size_t; 30 typedef long __kernel_ssize_t; 31 typedef long __kernel_ptrdiff_t; 32 #endif 33 typedef long __kernel_time_t; 34 typedef long __kernel_suseconds_t; 35 typedef long __kernel_clock_t; 36 typedef long __kernel_daddr_t; 37 typedef char * __kernel_caddr_t; 38 39 typedef unsigned short __kernel_uid16_t; 40 typedef unsigned short __kernel_gid16_t; 41 typedef int __kernel_uid32_t; 42 typedef int __kernel_gid32_t; 43 typedef __kernel_uid_t __kernel_old_uid_t; 44 typedef __kernel_gid_t __kernel_old_gid_t; 45 46 #ifdef __GNUC__ 47 typedef long long __kernel_loff_t; 48 #endif 49 50 typedef struct { 51 long val[2]; 52 } __kernel_fsid_t; 53 54 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) 55 56 #undef __FD_SET 57 static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp) 58 { 59 unsigned long __tmp = __fd / __NFDBITS; 60 unsigned long __rem = __fd % __NFDBITS; 61 __fdsetp->fds_bits[__tmp] |= (1UL<<__rem); 62 } 63 64 #undef __FD_CLR 65 static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp) 66 { 67 unsigned long __tmp = __fd / __NFDBITS; 68 unsigned long __rem = __fd % __NFDBITS; 69 __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem); 70 } 71 72 #undef __FD_ISSET 73 static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p) 74 { 75 unsigned long __tmp = __fd / __NFDBITS; 76 unsigned long __rem = __fd % __NFDBITS; 77 return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0; 78 } 79 80 /* 81 * This will unroll the loop for the normal constant case (8 ints, 82 * for a 256-bit fd_set) 83 */ 84 #undef __FD_ZERO 85 static __inline__ void __FD_ZERO(__kernel_fd_set *__p) 86 { 87 unsigned long *__tmp = __p->fds_bits; 88 int __i; 89 90 if (__builtin_constant_p(__FDSET_LONGS)) { 91 switch (__FDSET_LONGS) { 92 case 16: 93 __tmp[ 0] = 0; __tmp[ 1] = 0; 94 __tmp[ 2] = 0; __tmp[ 3] = 0; 95 __tmp[ 4] = 0; __tmp[ 5] = 0; 96 __tmp[ 6] = 0; __tmp[ 7] = 0; 97 __tmp[ 8] = 0; __tmp[ 9] = 0; 98 __tmp[10] = 0; __tmp[11] = 0; 99 __tmp[12] = 0; __tmp[13] = 0; 100 __tmp[14] = 0; __tmp[15] = 0; 101 return; 102 103 case 8: 104 __tmp[ 0] = 0; __tmp[ 1] = 0; 105 __tmp[ 2] = 0; __tmp[ 3] = 0; 106 __tmp[ 4] = 0; __tmp[ 5] = 0; 107 __tmp[ 6] = 0; __tmp[ 7] = 0; 108 return; 109 110 case 4: 111 __tmp[ 0] = 0; __tmp[ 1] = 0; 112 __tmp[ 2] = 0; __tmp[ 3] = 0; 113 return; 114 } 115 } 116 __i = __FDSET_LONGS; 117 while (__i) { 118 __i--; 119 *__tmp = 0; 120 __tmp++; 121 } 122 } 123 124 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ 125 126 #endif /* _ASM_POSIX_TYPES_H */ 127