LXR uboot/arch/mips/include/asm/posix

   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
  18typedef unsigned int    __kernel_dev_t;
  19typedef unsigned long   __kernel_ino_t;
  20typedef unsigned int    __kernel_mode_t;
  21typedef int             __kernel_nlink_t;
  22typedef long            __kernel_off_t;
  23typedef int             __kernel_pid_t;
  24typedef int             __kernel_ipc_pid_t;
  25typedef int             __kernel_uid_t;
  26typedef int             __kernel_gid_t;
  27typedef unsigned int    __kernel_size_t;
  28typedef int             __kernel_ssize_t;
  29typedef int             __kernel_ptrdiff_t;
  30typedef long            __kernel_time_t;
  31typedef long            __kernel_suseconds_t;
  32typedef long            __kernel_clock_t;
  33typedef long            __kernel_daddr_t;
  34typedef char *          __kernel_caddr_t;
  35
  36typedef unsigned short  __kernel_uid16_t;
  37typedef unsigned short  __kernel_gid16_t;
  38typedef int             __kernel_uid32_t;
  39typedef int             __kernel_gid32_t;
  40typedef __kernel_uid_t  __kernel_old_uid_t;
  41typedef __kernel_gid_t  __kernel_old_gid_t;
  42
  43#ifdef __GNUC__
  44typedef long long      __kernel_loff_t;
  45#endif
  46
  47typedef struct {
  48        long    val[2];
  49} __kernel_fsid_t;
  50
  51#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
  52
  53#undef __FD_SET
  54static __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
  62static __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
  70static __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
  82static __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