include/asm-mips/posix_types.h

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