include/asm-ia64/posix_types.h

   1 #ifndef _ASM_IA64_POSIX_TYPES_H
   2 #define _ASM_IA64_POSIX_TYPES_H
   3
   4 /*
   5  * This file is generally used by user-level software, so you need to
   6  * be a little careful about namespace pollution etc.  Also, we cannot
   7  * assume GCC is being used.
   8  *
   9  * Copyright (C) 1998-2000, 2003 Hewlett-Packard Co
  10  *      David Mosberger-Tang <davidm@hpl.hp.com>
  11  */
  12
  13 typedef unsigned int    __kernel_dev_t;
  14 typedef unsigned int    __kernel_ino_t;
  15 typedef unsigned int    __kernel_mode_t;
  16 typedef unsigned int    __kernel_nlink_t;
  17 typedef long            __kernel_off_t;
  18 typedef long long       __kernel_loff_t;
  19 typedef int             __kernel_pid_t;
  20 typedef int             __kernel_ipc_pid_t;
  21 typedef unsigned int    __kernel_uid_t;
  22 typedef unsigned int    __kernel_gid_t;
  23 typedef unsigned long   __kernel_size_t;
  24 typedef long            __kernel_ssize_t;
  25 typedef long            __kernel_ptrdiff_t;
  26 typedef long            __kernel_time_t;
  27 typedef long            __kernel_suseconds_t;
  28 typedef long            __kernel_clock_t;
  29 typedef int             __kernel_timer_t;
  30 typedef int             __kernel_clockid_t;
  31 typedef int             __kernel_daddr_t;
  32 typedef char *          __kernel_caddr_t;
  33 typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
  34 typedef unsigned short  __kernel_uid16_t;
  35 typedef unsigned short  __kernel_gid16_t;
  36
  37 typedef struct {
  38         int     val[2];
  39 } __kernel_fsid_t;
  40
  41 typedef __kernel_uid_t __kernel_old_uid_t;
  42 typedef __kernel_gid_t __kernel_old_gid_t;
  43 typedef __kernel_uid_t __kernel_uid32_t;
  44 typedef __kernel_gid_t __kernel_gid32_t;
  45
  46 typedef unsigned int    __kernel_old_dev_t;
  47
  48 # ifdef __KERNEL__
  49
  50 #  ifndef __GNUC__
  51
  52 #define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  53 #define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  54 #define __FD_ISSET(d, set)      (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
  55 #define __FD_ZERO(set)  \
  56   ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
  57
  58 #  else /* !__GNUC__ */
  59
  60 /* With GNU C, use inline functions instead so args are evaluated only once: */
  61
  62 #undef __FD_SET
  63 static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
  64 {
  65         unsigned long _tmp = fd / __NFDBITS;
  66         unsigned long _rem = fd % __NFDBITS;
  67         fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
  68 }
  69
  70 #undef __FD_CLR
  71 static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
  72 {
  73         unsigned long _tmp = fd / __NFDBITS;
  74         unsigned long _rem = fd % __NFDBITS;
  75         fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
  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; tmp[ 2] = 0; tmp[ 3] = 0;
 100                         tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 101                         tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
 102                         tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
 103                         return;
 104
 105                       case 8:
 106                         tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 107                         tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 108                         return;
 109
 110                       case 4:
 111                         tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 112                         return;
 113                 }
 114         }
 115         i = __FDSET_LONGS;
 116         while (i) {
 117                 i--;
 118                 *tmp = 0;
 119                 tmp++;
 120         }
 121 }
 122
 123 #  endif /* !__GNUC__ */
 124 # endif /* __KERNEL__ */
 125 #endif /* _ASM_IA64_POSIX_TYPES_H */