include/asm-i386/posix_types.h

   1 #ifndef __ARCH_I386_POSIX_TYPES_H
   2 #define __ARCH_I386_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_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 #if defined(__KERNEL__) || defined(__USE_ALL)
  43         int     val[2];
  44 #else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  45         int     __val[2];
  46 #endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  47 } __kernel_fsid_t;
  48
  49 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
  50
  51 #undef  __FD_SET
  52 #define __FD_SET(fd,fdsetp) \
  53                 __asm__ __volatile__("btsl %1,%0": \
  54                         "+m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
  55
  56 #undef  __FD_CLR
  57 #define __FD_CLR(fd,fdsetp) \
  58                 __asm__ __volatile__("btrl %1,%0": \
  59                         "+m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
  60
  61 #undef  __FD_ISSET
  62 #define __FD_ISSET(fd,fdsetp) (__extension__ ({ \
  63                 unsigned char __result; \
  64                 __asm__ __volatile__("btl %1,%2 ; setb %0" \
  65                         :"=q" (__result) :"r" ((int) (fd)), \
  66                         "m" (*(__kernel_fd_set *) (fdsetp))); \
  67                 __result; }))
  68
  69 #undef  __FD_ZERO
  70 #define __FD_ZERO(fdsetp) \
  71 do { \
  72         int __d0, __d1; \
  73         __asm__ __volatile__("cld ; rep ; stosl" \
  74                         :"=m" (*(__kernel_fd_set *) (fdsetp)), \
  75                           "=&c" (__d0), "=&D" (__d1) \
  76                         :"a" (0), "1" (__FDSET_LONGS), \
  77                         "2" ((__kernel_fd_set *) (fdsetp)) : "memory"); \
  78 } while (0)
  79
  80 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
  81
  82 #endif