include/asm-mn10300/posix_types.h

   1 /* MN10300 POSIX types
   2  *
   3  * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
   4  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public Licence
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the Licence, or (at your option) any later version.
  10  */
  11 #ifndef _ASM_POSIX_TYPES_H
  12 #define _ASM_POSIX_TYPES_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
  20 typedef unsigned long   __kernel_ino_t;
  21 typedef unsigned short  __kernel_mode_t;
  22 typedef unsigned short  __kernel_nlink_t;
  23 typedef long            __kernel_off_t;
  24 typedef int             __kernel_pid_t;
  25 typedef unsigned short  __kernel_ipc_pid_t;
  26 typedef unsigned short  __kernel_uid_t;
  27 typedef unsigned short  __kernel_gid_t;
  28 typedef unsigned long   __kernel_size_t;
  29 typedef long            __kernel_ssize_t;
  30 typedef int             __kernel_ptrdiff_t;
  31 typedef long            __kernel_time_t;
  32 typedef long            __kernel_suseconds_t;
  33 typedef long            __kernel_clock_t;
  34 typedef int             __kernel_timer_t;
  35 typedef int             __kernel_clockid_t;
  36 typedef int             __kernel_daddr_t;
  37 typedef char *          __kernel_caddr_t;
  38 typedef unsigned short  __kernel_uid16_t;
  39 typedef unsigned short  __kernel_gid16_t;
  40 typedef unsigned int    __kernel_uid32_t;
  41 typedef unsigned int    __kernel_gid32_t;
  42
  43 typedef unsigned short  __kernel_old_uid_t;
  44 typedef unsigned short  __kernel_old_gid_t;
  45 typedef unsigned short  __kernel_old_dev_t;
  46
  47 #ifdef __GNUC__
  48 typedef long long       __kernel_loff_t;
  49 #endif
  50
  51 typedef struct {
  52 #if defined(__KERNEL__) || defined(__USE_ALL)
  53         int     val[2];
  54 #else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  55         int     __val[2];
  56 #endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  57 } __kernel_fsid_t;
  58
  59 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
  60
  61 #undef  __FD_SET
  62 static inline void __FD_SET(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_CLR
  70 static inline void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
  71 {
  72         unsigned long __tmp = __fd / __NFDBITS;
  73         unsigned long __rem = __fd % __NFDBITS;
  74         __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
  75 }
  76
  77
  78 #undef  __FD_ISSET
  79 static inline int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
  80 {
  81         unsigned long __tmp = __fd / __NFDBITS;
  82         unsigned long __rem = __fd % __NFDBITS;
  83         return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
  84 }
  85
  86 /*
  87  * This will unroll the loop for the normal constant case (8 ints,
  88  * for a 256-bit fd_set)
  89  */
  90 #undef  __FD_ZERO
  91 static inline void __FD_ZERO(__kernel_fd_set *__p)
  92 {
  93         unsigned long *__tmp = __p->fds_bits;
  94         int __i;
  95
  96         if (__builtin_constant_p(__FDSET_LONGS)) {
  97                 switch (__FDSET_LONGS) {
  98                 case 16:
  99                         __tmp[ 0] = 0; __tmp[ 1] = 0;
 100                         __tmp[ 2] = 0; __tmp[ 3] = 0;
 101                         __tmp[ 4] = 0; __tmp[ 5] = 0;
 102                         __tmp[ 6] = 0; __tmp[ 7] = 0;
 103                         __tmp[ 8] = 0; __tmp[ 9] = 0;
 104                         __tmp[10] = 0; __tmp[11] = 0;
 105                         __tmp[12] = 0; __tmp[13] = 0;
 106                         __tmp[14] = 0; __tmp[15] = 0;
 107                         return;
 108
 109                 case 8:
 110                         __tmp[ 0] = 0; __tmp[ 1] = 0;
 111                         __tmp[ 2] = 0; __tmp[ 3] = 0;
 112                         __tmp[ 4] = 0; __tmp[ 5] = 0;
 113                         __tmp[ 6] = 0; __tmp[ 7] = 0;
 114                         return;
 115
 116                 case 4:
 117                         __tmp[ 0] = 0; __tmp[ 1] = 0;
 118                         __tmp[ 2] = 0; __tmp[ 3] = 0;
 119                         return;
 120                 }
 121         }
 122         __i = __FDSET_LONGS;
 123         while (__i) {
 124                 __i--;
 125                 *__tmp = 0;
 126                 __tmp++;
 127         }
 128 }
 129
 130 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
 131
 132 #endif /* _ASM_POSIX_TYPES_H */