include/asm-mips/posix_types.h

   1 /* $Id: posix_types.h,v 1.5 1998/08/17 13:59:34 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 by Ralf Baechle
   8  */
   9 #ifndef __ARCH_MIPS_POSIX_TYPES_H
  10 #define __ARCH_MIPS_POSIX_TYPES_H
  11
  12 #define __need_size_t
  13 #define __need_ptrdiff_t
  14 #include <stddef.h>
  15
  16 /*
  17  * This file is generally used by user-level software, so you need to
  18  * be a little careful about namespace pollution etc.  Also, we cannot
  19  * assume GCC is being used.
  20  */
  21
  22 typedef unsigned long   __kernel_dev_t;
  23 typedef unsigned long   __kernel_ino_t;
  24 typedef unsigned long   __kernel_mode_t;
  25 typedef unsigned long   __kernel_nlink_t;
  26 typedef long            __kernel_off_t;
  27 typedef long            __kernel_pid_t;
  28 typedef long            __kernel_ipc_pid_t;
  29 typedef long            __kernel_uid_t;
  30 typedef long            __kernel_gid_t;
  31 typedef __SIZE_TYPE__   __kernel_size_t;
  32 typedef __SSIZE_TYPE__  __kernel_ssize_t;
  33 typedef int             __kernel_ptrdiff_t;
  34 typedef long            __kernel_time_t;
  35 typedef long            __kernel_suseconds_t;
  36 typedef long            __kernel_clock_t;
  37 typedef long            __kernel_daddr_t;
  38 typedef char *          __kernel_caddr_t;
  39
  40 #ifdef __GNUC__
  41 typedef long long      __kernel_loff_t;
  42 #endif
  43
  44 typedef struct {
  45         long    val[2];
  46 } __kernel_fsid_t;
  47
  48 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
  49
  50 #undef __FD_SET
  51 static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
  52 {
  53         unsigned long __tmp = __fd / __NFDBITS;
  54         unsigned long __rem = __fd % __NFDBITS;
  55         __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
  56 }
  57
  58 #undef __FD_CLR
  59 static __inline__ void __FD_CLR(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_ISSET
  67 static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
  68 {
  69         unsigned long __tmp = __fd / __NFDBITS;
  70         unsigned long __rem = __fd % __NFDBITS;
  71         return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
  72 }
  73
  74 /*
  75  * This will unroll the loop for the normal constant case (8 ints,
  76  * for a 256-bit fd_set)
  77  */
  78 #undef __FD_ZERO
  79 static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
  80 {
  81         unsigned long *__tmp = __p->fds_bits;
  82         int __i;
  83
  84         if (__builtin_constant_p(__FDSET_LONGS)) {
  85                 switch (__FDSET_LONGS) {
  86                 case 16:
  87                         __tmp[ 0] = 0; __tmp[ 1] = 0;
  88                         __tmp[ 2] = 0; __tmp[ 3] = 0;
  89                         __tmp[ 4] = 0; __tmp[ 5] = 0;
  90                         __tmp[ 6] = 0; __tmp[ 7] = 0;
  91                         __tmp[ 8] = 0; __tmp[ 9] = 0;
  92                         __tmp[10] = 0; __tmp[11] = 0;
  93                         __tmp[12] = 0; __tmp[13] = 0;
  94                         __tmp[14] = 0; __tmp[15] = 0;
  95                         return;
  96
  97                 case 8:
  98                         __tmp[ 0] = 0; __tmp[ 1] = 0;
  99                         __tmp[ 2] = 0; __tmp[ 3] = 0;
 100                         __tmp[ 4] = 0; __tmp[ 5] = 0;
 101                         __tmp[ 6] = 0; __tmp[ 7] = 0;
 102                         return;
 103
 104                 case 4:
 105                         __tmp[ 0] = 0; __tmp[ 1] = 0;
 106                         __tmp[ 2] = 0; __tmp[ 3] = 0;
 107                         return;
 108                 }
 109         }
 110         __i = __FDSET_LONGS;
 111         while (__i) {
 112                 __i--;
 113                 *__tmp = 0;
 114                 __tmp++;
 115         }
 116 }
 117
 118 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
 119
 120 #endif /* __ARCH_MIPS_POSIX_TYPES_H */