include/asm-ppc64/posix_types.h

   1 #ifndef _PPC64_POSIX_TYPES_H
   2 #define _PPC64_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  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version
  12  * 2 of the License, or (at your option) any later version.
  13  */
  14
  15 typedef unsigned long   __kernel_ino_t;
  16 typedef unsigned long   __kernel_nlink_t;
  17 typedef unsigned int    __kernel_mode_t;
  18 typedef long            __kernel_off_t;
  19 typedef long long       __kernel_loff_t;
  20 typedef int             __kernel_pid_t;
  21 typedef int             __kernel_ipc_pid_t;
  22 typedef unsigned int    __kernel_uid_t;
  23 typedef unsigned int    __kernel_gid_t;
  24 typedef unsigned long   __kernel_size_t;
  25 typedef long            __kernel_ssize_t;
  26 typedef long            __kernel_ptrdiff_t;
  27 typedef long            __kernel_time_t;
  28 typedef int             __kernel_timer_t;
  29 typedef int             __kernel_clockid_t;
  30 typedef long            __kernel_suseconds_t;
  31 typedef long            __kernel_clock_t;
  32 typedef int             __kernel_daddr_t;
  33 typedef char *          __kernel_caddr_t;
  34 typedef unsigned short  __kernel_uid16_t;
  35 typedef unsigned short  __kernel_gid16_t;
  36 typedef unsigned int    __kernel_uid32_t;
  37 typedef unsigned int    __kernel_gid32_t;
  38
  39 typedef unsigned int    __kernel_old_uid_t;
  40 typedef unsigned int    __kernel_old_gid_t;
  41 typedef unsigned long   __kernel_old_dev_t;
  42
  43 typedef struct {
  44         int     val[2];
  45 } __kernel_fsid_t;
  46
  47 #ifndef __GNUC__
  48
  49 #define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  50 #define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  51 #define __FD_ISSET(d, set)      (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
  52 #define __FD_ZERO(set)  \
  53   ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
  54
  55 #else /* __GNUC__ */
  56
  57 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \
  58     || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
  59 /* With GNU C, use inline functions instead so args are evaluated only once: */
  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 #undef __FD_ISSET
  78 static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
  79 {
  80         unsigned long _tmp = fd / __NFDBITS;
  81         unsigned long _rem = fd % __NFDBITS;
  82         return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
  83 }
  84
  85 /*
  86  * This will unroll the loop for the normal constant case (8 ints,
  87  * for a 256-bit fd_set)
  88  */
  89 #undef __FD_ZERO
  90 static __inline__ void __FD_ZERO(__kernel_fd_set *p)
  91 {
  92         unsigned long *tmp = (unsigned long *)p->fds_bits;
  93         int i;
  94
  95         if (__builtin_constant_p(__FDSET_LONGS)) {
  96                 switch (__FDSET_LONGS) {
  97                       case 16:
  98                         tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
  99                         tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
 100
 101                       case 8:
 102                         tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 103
 104                       case 4:
 105                         tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 106                         return;
 107                 }
 108         }
 109         i = __FDSET_LONGS;
 110         while (i) {
 111                 i--;
 112                 *tmp = 0;
 113                 tmp++;
 114         }
 115 }
 116
 117 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
 118 #endif /* __GNUC__ */
 119 #endif /* _PPC64_POSIX_TYPES_H */