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 22typedef unsigned long __kernel_ino_t; 23typedef unsigned int __kernel_mode_t; 24typedef unsigned long __kernel_nlink_t; 25typedef long __kernel_off_t; 26typedef int __kernel_pid_t; 27typedef unsigned short __kernel_ipc_pid_t; 28typedef unsigned int __kernel_uid_t; 29typedef unsigned int __kernel_gid_t; 30typedef unsigned int __kernel_size_t; 31typedef int __kernel_ssize_t; 32typedef long __kernel_ptrdiff_t; 33typedef long __kernel_time_t; 34typedef long __kernel_suseconds_t; 35typedef long __kernel_clock_t; 36typedef int __kernel_timer_t; 37typedef int __kernel_clockid_t; 38typedef int __kernel_daddr_t; 39typedef char * __kernel_caddr_t; 40typedef unsigned short __kernel_uid16_t; 41typedef unsigned short __kernel_gid16_t; 42typedef unsigned int __kernel_uid32_t; 43typedef unsigned int __kernel_gid32_t; 44 45typedef unsigned short __kernel_old_uid_t; 46typedef unsigned short __kernel_old_gid_t; 47typedef unsigned short __kernel_old_dev_t; 48 49#ifdef __GNUC__ 50typedef long long __kernel_loff_t; 51#endif 52 53typedef 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 ((void *) (set), 0, sizeof (__kernel_fd_set))) 64 65#else /* __GNUC__ */ 66 67#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) || (__GLIBC__ == 2 && \ 68 __GLIBC_MINOR__ == 0) 69/* With GNU C, use inline functions instead so args are evaluated only once: */ 70 71#undef __FD_SET 72static __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 80static __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 88static __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 100static __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 */ 124