LXR linux/include/asm-x86/posix_types

   1#ifndef _ASM_X86_64_POSIX_TYPES_H
   2#define _ASM_X86_64_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
  10typedef unsigned long   __kernel_ino_t;
  11typedef unsigned int    __kernel_mode_t;
  12typedef unsigned long   __kernel_nlink_t;
  13typedef long            __kernel_off_t;
  14typedef int             __kernel_pid_t;
  15typedef int             __kernel_ipc_pid_t;
  16typedef unsigned int    __kernel_uid_t;
  17typedef unsigned int    __kernel_gid_t;
  18typedef unsigned long   __kernel_size_t;
  19typedef long            __kernel_ssize_t;
  20typedef long            __kernel_ptrdiff_t;
  21typedef long            __kernel_time_t;
  22typedef long            __kernel_suseconds_t;
  23typedef long            __kernel_clock_t;
  24typedef int             __kernel_timer_t;
  25typedef int             __kernel_clockid_t;
  26typedef int             __kernel_daddr_t;
  27typedef char *          __kernel_caddr_t;
  28typedef unsigned short  __kernel_uid16_t;
  29typedef unsigned short  __kernel_gid16_t;
  30
  31#ifdef __GNUC__
  32typedef long long       __kernel_loff_t;
  33#endif
  34
  35typedef struct {
  36        int     val[2];
  37} __kernel_fsid_t;
  38
  39typedef unsigned short __kernel_old_uid_t;
  40typedef unsigned short __kernel_old_gid_t;
  41typedef __kernel_uid_t __kernel_uid32_t;
  42typedef __kernel_gid_t __kernel_gid32_t;
  43
  44typedef unsigned long   __kernel_old_dev_t;
  45
  46#ifdef __KERNEL__
  47
  48#undef __FD_SET
  49static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
  50{
  51        unsigned long _tmp = fd / __NFDBITS;
  52        unsigned long _rem = fd % __NFDBITS;
  53        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
  54}
  55
  56#undef __FD_CLR
  57static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
  58{
  59        unsigned long _tmp = fd / __NFDBITS;
  60        unsigned long _rem = fd % __NFDBITS;
  61        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
  62}
  63
  64#undef __FD_ISSET
  65static __inline__ int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
  66{
  67        unsigned long _tmp = fd / __NFDBITS;
  68        unsigned long _rem = fd % __NFDBITS;
  69        return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
  70}
  71
  72/*
  73 * This will unroll the loop for the normal constant cases (8 or 32 longs,
  74 * for 256 and 1024-bit fd_sets respectively)
  75 */
  76#undef __FD_ZERO
  77static __inline__ void __FD_ZERO(__kernel_fd_set *p)
  78{
  79        unsigned long *tmp = p->fds_bits;
  80        int i;
  81
  82        if (__builtin_constant_p(__FDSET_LONGS)) {
  83                switch (__FDSET_LONGS) {
  84                        case 32:
  85                          tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
  86                          tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
  87                          tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
  88                          tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
  89                          tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
  90                          tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
  91                          tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
  92                          tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
  93                          return;
  94                        case 16:
  95                          tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
  96                          tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
  97                          tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
  98                          tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
  99                          return;
 100                        case 8:
 101                          tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 102                          tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 103                          return;
 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__) */
 118
 119#endif
 120