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
  28 #ifdef __GNUC__
  29 typedef long long       __kernel_loff_t;
  30 #endif
  31
  32 typedef struct {
  33 #if defined(__KERNEL__) || defined(__USE_ALL)
  34         int     val[2];
  35 #else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  36         int     __val[2];
  37 #endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  38 } __kernel_fsid_t;
  39
  40 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
  41
  42 #undef  __FD_SET
  43 #define __FD_SET(fd,fdsetp) \
  44                 __asm__ __volatile__("btsl %1,%0": \
  45                         "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
  46
  47 #undef  __FD_CLR
  48 #define __FD_CLR(fd,fdsetp) \
  49                 __asm__ __volatile__("btrl %1,%0": \
  50                         "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
  51
  52 #undef  __FD_ISSET
  53 #define __FD_ISSET(fd,fdsetp) (__extension__ ({ \
  54                 unsigned char __result; \
  55                 __asm__ __volatile__("btl %1,%2 ; setb %0" \
  56                         :"=q" (__result) :"r" ((int) (fd)), \
  57                         "m" (*(__kernel_fd_set *) (fdsetp))); \
  58                 __result; }))
  59
  60 #undef  __FD_ZERO
  61 #define __FD_ZERO(fdsetp) \
  62                 __asm__ __volatile__("cld ; rep ; stosl" \
  63                         :"=m" (*(__kernel_fd_set *) (fdsetp)) \
  64                         :"a" (0), "c" (__FDSET_LONGS), \
  65                         "D" ((__kernel_fd_set *) (fdsetp)) :"cx","di")
  66
  67 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
  68
  69 #endif