arch/x86/include/asm/posix_types_32.h

   1 #ifndef _ASM_X86_POSIX_TYPES_32_H
   2 #define _ASM_X86_POSIX_TYPES_32_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_ino_t;
  11 typedef unsigned short  __kernel_mode_t;
  12 typedef unsigned short  __kernel_nlink_t;
  13 typedef long            __kernel_off_t;
  14 typedef int             __kernel_pid_t;
  15 typedef unsigned short  __kernel_ipc_pid_t;
  16 typedef unsigned short  __kernel_uid_t;
  17 typedef unsigned short  __kernel_gid_t;
  18 typedef unsigned int    __kernel_size_t;
  19 typedef int             __kernel_ssize_t;
  20 typedef int             __kernel_ptrdiff_t;
  21 typedef long            __kernel_time_t;
  22 typedef long            __kernel_suseconds_t;
  23 typedef long            __kernel_clock_t;
  24 typedef int             __kernel_timer_t;
  25 typedef int             __kernel_clockid_t;
  26 typedef int             __kernel_daddr_t;
  27 typedef char *          __kernel_caddr_t;
  28 typedef unsigned short  __kernel_uid16_t;
  29 typedef unsigned short  __kernel_gid16_t;
  30 typedef unsigned int    __kernel_uid32_t;
  31 typedef unsigned int    __kernel_gid32_t;
  32
  33 typedef unsigned short  __kernel_old_uid_t;
  34 typedef unsigned short  __kernel_old_gid_t;
  35 typedef unsigned short  __kernel_old_dev_t;
  36
  37 #ifdef __GNUC__
  38 typedef long long       __kernel_loff_t;
  39 #endif
  40
  41 typedef struct {
  42         int     val[2];
  43 } __kernel_fsid_t;
  44
  45 #if defined(__KERNEL__)
  46
  47 #undef  __FD_SET
  48 #define __FD_SET(fd,fdsetp)                                     \
  49         asm volatile("btsl %1,%0":                              \
  50                      "+m" (*(__kernel_fd_set *)(fdsetp))        \
  51                      : "r" ((int)(fd)))
  52
  53 #undef  __FD_CLR
  54 #define __FD_CLR(fd,fdsetp)                                     \
  55         asm volatile("btrl %1,%0":                              \
  56                      "+m" (*(__kernel_fd_set *)(fdsetp))        \
  57                      : "r" ((int) (fd)))
  58
  59 #undef  __FD_ISSET
  60 #define __FD_ISSET(fd,fdsetp)                                   \
  61         (__extension__                                          \
  62          ({                                                     \
  63          unsigned char __result;                                \
  64          asm volatile("btl %1,%2 ; setb %0"                     \
  65                       : "=q" (__result)                         \
  66                       : "r" ((int)(fd)),                        \
  67                         "m" (*(__kernel_fd_set *)(fdsetp)));    \
  68          __result;                                              \
  69 }))
  70
  71 #undef  __FD_ZERO
  72 #define __FD_ZERO(fdsetp)                                       \
  73 do {                                                            \
  74         int __d0, __d1;                                         \
  75         asm volatile("cld ; rep ; stosl"                        \
  76                      : "=m" (*(__kernel_fd_set *)(fdsetp)),     \
  77                        "=&c" (__d0), "=&D" (__d1)               \
  78                      : "a" (0), "1" (__FDSET_LONGS),            \
  79                        "2" ((__kernel_fd_set *)(fdsetp))        \
  80                      : "memory");                               \
  81 } while (0)
  82
  83 #endif /* defined(__KERNEL__) */
  84
  85 #endif /* _ASM_X86_POSIX_TYPES_32_H */