LXR linux/arch/mips/include/asm/posix

   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * Copyright (C) 1996, 97, 98, 99, 2000 by Ralf Baechle
   7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
   8 */
   9#ifndef _ASM_POSIX_TYPES_H
  10#define _ASM_POSIX_TYPES_H
  11
  12#include <asm/sgidefs.h>
  13
  14/*
  15 * This file is generally used by user-level software, so you need to
  16 * be a little careful about namespace pollution etc.  Also, we cannot
  17 * assume GCC is being used.
  18 */
  19
  20typedef unsigned long   __kernel_ino_t;
  21typedef unsigned int    __kernel_mode_t;
  22#if (_MIPS_SZLONG == 32)
  23typedef unsigned long   __kernel_nlink_t;
  24#endif
  25#if (_MIPS_SZLONG == 64)
  26typedef unsigned int    __kernel_nlink_t;
  27#endif
  28typedef long            __kernel_off_t;
  29typedef int             __kernel_pid_t;
  30typedef int             __kernel_ipc_pid_t;
  31typedef unsigned int    __kernel_uid_t;
  32typedef unsigned int    __kernel_gid_t;
  33#if (_MIPS_SZLONG == 32)
  34typedef unsigned int    __kernel_size_t;
  35typedef int             __kernel_ssize_t;
  36typedef int             __kernel_ptrdiff_t;
  37#endif
  38#if (_MIPS_SZLONG == 64)
  39typedef unsigned long   __kernel_size_t;
  40typedef long            __kernel_ssize_t;
  41typedef long            __kernel_ptrdiff_t;
  42#endif
  43typedef long            __kernel_time_t;
  44typedef long            __kernel_suseconds_t;
  45typedef long            __kernel_clock_t;
  46typedef int             __kernel_timer_t;
  47typedef int             __kernel_clockid_t;
  48typedef long            __kernel_daddr_t;
  49typedef char *          __kernel_caddr_t;
  50
  51typedef unsigned short  __kernel_uid16_t;
  52typedef unsigned short  __kernel_gid16_t;
  53typedef unsigned int    __kernel_uid32_t;
  54typedef unsigned int    __kernel_gid32_t;
  55typedef __kernel_uid_t  __kernel_old_uid_t;
  56typedef __kernel_gid_t  __kernel_old_gid_t;
  57typedef unsigned int    __kernel_old_dev_t;
  58
  59#ifdef __GNUC__
  60typedef long long      __kernel_loff_t;
  61#endif
  62
  63typedef struct {
  64#if (_MIPS_SZLONG == 32)
  65        long    val[2];
  66#endif
  67#if (_MIPS_SZLONG == 64)
  68        int     val[2];
  69#endif
  70} __kernel_fsid_t;
  71
  72#if defined(__KERNEL__)
  73
  74#undef __FD_SET
  75static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
  76{
  77        unsigned long __tmp = __fd / __NFDBITS;
  78        unsigned long __rem = __fd % __NFDBITS;
  79        __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
  80}
  81
  82#undef __FD_CLR
  83static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
  84{
  85        unsigned long __tmp = __fd / __NFDBITS;
  86        unsigned long __rem = __fd % __NFDBITS;
  87        __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
  88}
  89
  90#undef __FD_ISSET
  91static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
  92{
  93        unsigned long __tmp = __fd / __NFDBITS;
  94        unsigned long __rem = __fd % __NFDBITS;
  95        return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
  96}
  97
  98/*
  99 * This will unroll the loop for the normal constant case (8 ints,
 100 * for a 256-bit fd_set)
 101 */
 102#undef __FD_ZERO
 103static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
 104{
 105        unsigned long *__tmp = __p->fds_bits;
 106        int __i;
 107
 108        if (__builtin_constant_p(__FDSET_LONGS)) {
 109                switch (__FDSET_LONGS) {
 110                case 16:
 111                        __tmp[ 0] = 0; __tmp[ 1] = 0;
 112                        __tmp[ 2] = 0; __tmp[ 3] = 0;
 113                        __tmp[ 4] = 0; __tmp[ 5] = 0;
 114                        __tmp[ 6] = 0; __tmp[ 7] = 0;
 115                        __tmp[ 8] = 0; __tmp[ 9] = 0;
 116                        __tmp[10] = 0; __tmp[11] = 0;
 117                        __tmp[12] = 0; __tmp[13] = 0;
 118                        __tmp[14] = 0; __tmp[15] = 0;
 119                        return;
 120
 121                case 8:
 122                        __tmp[ 0] = 0; __tmp[ 1] = 0;
 123                        __tmp[ 2] = 0; __tmp[ 3] = 0;
 124                        __tmp[ 4] = 0; __tmp[ 5] = 0;
 125                        __tmp[ 6] = 0; __tmp[ 7] = 0;
 126                        return;
 127
 128                case 4:
 129                        __tmp[ 0] = 0; __tmp[ 1] = 0;
 130                        __tmp[ 2] = 0; __tmp[ 3] = 0;
 131                        return;
 132                }
 133        }
 134        __i = __FDSET_LONGS;
 135        while (__i) {
 136                __i--;
 137                *__tmp = 0;
 138                __tmp++;
 139        }
 140}
 141
 142#endif /* defined(__KERNEL__) */
 143
 144#endif /* _ASM_POSIX_TYPES_H */
 145