include/asm-x86_64/posix_types.h

   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
  10 typedef unsigned long   __kernel_dev_t;
  11 typedef unsigned long   __kernel_ino_t;
  12 typedef unsigned int    __kernel_mode_t;
  13 typedef unsigned long   __kernel_nlink_t;
  14 typedef long            __kernel_off_t;
  15 typedef int             __kernel_pid_t;
  16 typedef int             __kernel_ipc_pid_t;
  17 typedef unsigned int    __kernel_uid_t;
  18 typedef unsigned int    __kernel_gid_t;
  19 typedef unsigned long   __kernel_size_t;
  20 typedef long            __kernel_ssize_t;
  21 typedef long            __kernel_ptrdiff_t;
  22 typedef long            __kernel_time_t;
  23 typedef long            __kernel_suseconds_t;
  24 typedef long            __kernel_clock_t;
  25 typedef int             __kernel_daddr_t;
  26 typedef char *          __kernel_caddr_t;
  27 typedef unsigned short  __kernel_uid16_t;
  28 typedef unsigned short  __kernel_gid16_t;
  29
  30 #ifdef __GNUC__
  31 typedef long long       __kernel_loff_t;
  32 #endif
  33
  34 typedef struct {
  35         int     val[2];
  36 } __kernel_fsid_t;
  37
  38 typedef __kernel_uid_t __kernel_old_uid_t;
  39 typedef __kernel_gid_t __kernel_old_gid_t;
  40 typedef __kernel_uid_t __kernel_uid32_t;
  41 typedef __kernel_gid_t __kernel_gid32_t;
  42
  43 #ifdef __KERNEL__
  44
  45 #undef __FD_SET
  46 static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
  47 {
  48         unsigned long _tmp = fd / __NFDBITS;
  49         unsigned long _rem = fd % __NFDBITS;
  50         fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
  51 }
  52
  53 #undef __FD_CLR
  54 static __inline__ void __FD_CLR(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_ISSET
  62 static __inline__ int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p)
  63 {
  64         unsigned long _tmp = fd / __NFDBITS;
  65         unsigned long _rem = fd % __NFDBITS;
  66         return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
  67 }
  68
  69 /*
  70  * This will unroll the loop for the normal constant cases (8 or 32 longs,
  71  * for 256 and 1024-bit fd_sets respectively)
  72  */
  73 #undef __FD_ZERO
  74 static __inline__ void __FD_ZERO(__kernel_fd_set *p)
  75 {
  76         unsigned long *tmp = p->fds_bits;
  77         int i;
  78
  79         if (__builtin_constant_p(__FDSET_LONGS)) {
  80                 switch (__FDSET_LONGS) {
  81                         case 32:
  82                           tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
  83                           tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
  84                           tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
  85                           tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
  86                           tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0;
  87                           tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0;
  88                           tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0;
  89                           tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0;
  90                           return;
  91                         case 16:
  92                           tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
  93                           tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
  94                           tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
  95                           tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
  96                           return;
  97                         case 8:
  98                           tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
  99                           tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 100                           return;
 101                         case 4:
 102                           tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 103                           return;
 104                 }
 105         }
 106         i = __FDSET_LONGS;
 107         while (i) {
 108                 i--;
 109                 *tmp = 0;
 110                 tmp++;
 111         }
 112 }
 113
 114 #endif /* defined(__KERNEL__) */
 115
 116 #endif