include/asm-avr32/posix_types.h

   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
  17 typedef unsigned long   __kernel_ino_t;
  18 typedef unsigned short  __kernel_mode_t;
  19 typedef unsigned short  __kernel_nlink_t;
  20 typedef long            __kernel_off_t;
  21 typedef int             __kernel_pid_t;
  22 typedef unsigned short  __kernel_ipc_pid_t;
  23 typedef unsigned int    __kernel_uid_t;
  24 typedef unsigned int    __kernel_gid_t;
  25 typedef unsigned long   __kernel_size_t;
  26 typedef long            __kernel_ssize_t;
  27 typedef int             __kernel_ptrdiff_t;
  28 typedef long            __kernel_time_t;
  29 typedef long            __kernel_suseconds_t;
  30 typedef long            __kernel_clock_t;
  31 typedef int             __kernel_timer_t;
  32 typedef int             __kernel_clockid_t;
  33 typedef int             __kernel_daddr_t;
  34 typedef char *          __kernel_caddr_t;
  35 typedef unsigned short  __kernel_uid16_t;
  36 typedef unsigned short  __kernel_gid16_t;
  37 typedef unsigned int    __kernel_uid32_t;
  38 typedef unsigned int    __kernel_gid32_t;
  39
  40 typedef unsigned short  __kernel_old_uid_t;
  41 typedef unsigned short  __kernel_old_gid_t;
  42 typedef unsigned short  __kernel_old_dev_t;
  43
  44 #ifdef __GNUC__
  45 typedef long long       __kernel_loff_t;
  46 #endif
  47
  48 typedef struct {
  49 #if defined(__KERNEL__) || defined(__USE_ALL)
  50     int     val[2];
  51 #else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  52     int     __val[2];
  53 #endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  54 } __kernel_fsid_t;
  55
  56 #if defined(__KERNEL__)
  57
  58 #undef  __FD_SET
  59 static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
  60 {
  61     unsigned long __tmp = __fd / __NFDBITS;
  62     unsigned long __rem = __fd % __NFDBITS;
  63     __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
  64 }
  65
  66 #undef  __FD_CLR
  67 static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
  68 {
  69     unsigned long __tmp = __fd / __NFDBITS;
  70     unsigned long __rem = __fd % __NFDBITS;
  71     __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
  72 }
  73
  74
  75 #undef  __FD_ISSET
  76 static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
  77 {
  78     unsigned long __tmp = __fd / __NFDBITS;
  79     unsigned long __rem = __fd % __NFDBITS;
  80     return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
  81 }
  82
  83 /*
  84  * This will unroll the loop for the normal constant case (8 ints,
  85  * for a 256-bit fd_set)
  86  */
  87 #undef  __FD_ZERO
  88 static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
  89 {
  90     unsigned long *__tmp = __p->fds_bits;
  91     int __i;
  92
  93     if (__builtin_constant_p(__FDSET_LONGS)) {
  94         switch (__FDSET_LONGS) {
  95             case 16:
  96                 __tmp[ 0] = 0; __tmp[ 1] = 0;
  97                 __tmp[ 2] = 0; __tmp[ 3] = 0;
  98                 __tmp[ 4] = 0; __tmp[ 5] = 0;
  99                 __tmp[ 6] = 0; __tmp[ 7] = 0;
 100                 __tmp[ 8] = 0; __tmp[ 9] = 0;
 101                 __tmp[10] = 0; __tmp[11] = 0;
 102                 __tmp[12] = 0; __tmp[13] = 0;
 103                 __tmp[14] = 0; __tmp[15] = 0;
 104                 return;
 105
 106             case 8:
 107                 __tmp[ 0] = 0; __tmp[ 1] = 0;
 108                 __tmp[ 2] = 0; __tmp[ 3] = 0;
 109                 __tmp[ 4] = 0; __tmp[ 5] = 0;
 110                 __tmp[ 6] = 0; __tmp[ 7] = 0;
 111                 return;
 112
 113             case 4:
 114                 __tmp[ 0] = 0; __tmp[ 1] = 0;
 115                 __tmp[ 2] = 0; __tmp[ 3] = 0;
 116                 return;
 117         }
 118     }
 119     __i = __FDSET_LONGS;
 120     while (__i) {
 121         __i--;
 122         *__tmp = 0;
 123         __tmp++;
 124     }
 125 }
 126
 127 #endif /* defined(__KERNEL__) */
 128
 129 #endif /* __ASM_AVR32_POSIX_TYPES_H */