LXR linux/arch/avr32/include/asm/posix

   1/*
   2 * Copyright (C) 2004-2006 Atmel Corporation
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 */
   8#ifndef __ASM_AVR32_POSIX_TYPES_H
   9#define __ASM_AVR32_POSIX_TYPES_H
  10
  11/*
  12 * This file is generally used by user-level software, so you need to
  13 * be a little careful about namespace pollution etc.  Also, we cannot
  14 * assume GCC is being used.
  15 */
  16
  17typedef unsigned long   __kernel_ino_t;
  18typedef unsigned short  __kernel_mode_t;
  19typedef unsigned short  __kernel_nlink_t;
  20typedef long            __kernel_off_t;
  21typedef int             __kernel_pid_t;
  22typedef unsigned short  __kernel_ipc_pid_t;
  23typedef unsigned int    __kernel_uid_t;
  24typedef unsigned int    __kernel_gid_t;
  25typedef unsigned long   __kernel_size_t;
  26typedef long            __kernel_ssize_t;
  27typedef int             __kernel_ptrdiff_t;
  28typedef long            __kernel_time_t;
  29typedef long            __kernel_suseconds_t;
  30typedef long            __kernel_clock_t;
  31typedef int             __kernel_timer_t;
  32typedef int             __kernel_clockid_t;
  33typedef int             __kernel_daddr_t;
  34typedef char *          __kernel_caddr_t;
  35typedef unsigned short  __kernel_uid16_t;
  36typedef unsigned short  __kernel_gid16_t;
  37typedef unsigned int    __kernel_uid32_t;
  38typedef unsigned int    __kernel_gid32_t;
  39
  40typedef unsigned short  __kernel_old_uid_t;
  41typedef unsigned short  __kernel_old_gid_t;
  42typedef unsigned short  __kernel_old_dev_t;
  43
  44#ifdef __GNUC__
  45typedef long long       __kernel_loff_t;
  46#endif
  47
  48typedef struct {
  49    int     val[2];
  50} __kernel_fsid_t;
  51
  52#if defined(__KERNEL__)
  53
  54#undef  __FD_SET
  55static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
  56{
  57    unsigned long __tmp = __fd / __NFDBITS;
  58    unsigned long __rem = __fd % __NFDBITS;
  59    __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
  60}
  61
  62#undef  __FD_CLR
  63static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
  64{
  65    unsigned long __tmp = __fd / __NFDBITS;
  66    unsigned long __rem = __fd % __NFDBITS;
  67    __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
  68}
  69
  70
  71#undef  __FD_ISSET
  72static __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
  84static __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__) */
 124
 125#endif /* __ASM_AVR32_POSIX_TYPES_H */
 126