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