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 short  __kernel_dev_t;
  11 typedef unsigned long   __kernel_ino_t;
  12 typedef unsigned short  __kernel_mode_t;
  13 typedef unsigned short  __kernel_nlink_t;
  14 typedef long            __kernel_off_t;
  15 typedef int             __kernel_pid_t;
  16 typedef unsigned short  __kernel_ipc_pid_t;
  17 typedef unsigned short  __kernel_uid_t;
  18 typedef unsigned short  __kernel_gid_t;
  19 typedef unsigned int    __kernel_size_t;
  20 typedef int             __kernel_ssize_t;
  21 typedef int             __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 typedef unsigned int    __kernel_uid32_t;
  30 typedef unsigned int    __kernel_gid32_t;
  31
  32 typedef unsigned short  __kernel_old_uid_t;
  33 typedef unsigned short  __kernel_old_gid_t;
  34
  35 #ifdef __GNUC__
  36 typedef long long       __kernel_loff_t;
  37 #endif
  38
  39 typedef struct {
  40 #if defined(__KERNEL__) || defined(__USE_ALL)
  41         int     val[2];
  42 #else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  43         int     __val[2];
  44 #endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  45 } __kernel_fsid_t;
  46
  47 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
  48
  49 #undef  __FD_SET
  50 #define __FD_SET(fd,fdsetp) \
  51                 __asm__ __volatile__("btsl %1,%0": \
  52                         "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
  53
  54 #undef  __FD_CLR
  55 #define __FD_CLR(fd,fdsetp) \
  56                 __asm__ __volatile__("btrl %1,%0": \
  57                         "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
  58
  59 #undef  __FD_ISSET
  60 #define __FD_ISSET(fd,fdsetp) (__extension__ ({ \
  61                 unsigned char __result; \
  62                 __asm__ __volatile__("btl %1,%2 ; setb %0" \
  63                         :"=q" (__result) :"r" ((int) (fd)), \
  64                         "m" (*(__kernel_fd_set *) (fdsetp))); \
  65                 __result; }))
  66
  67 #undef  __FD_ZERO
  68 #define __FD_ZERO(fdsetp) \
  69 do { \
  70         int __d0, __d1; \
  71         __asm__ __volatile__("cld ; rep ; stosl" \
  72                         :"=m" (*(__kernel_fd_set *) (fdsetp)), \
  73                           "=&c" (__d0), "=&D" (__d1) \
  74                         :"a" (0), "1" (__FDSET_LONGS), \
  75                         "2" ((__kernel_fd_set *) (fdsetp)) : "memory"); \
  76 } while (0)
  77
  78 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
  79
  80 #endif