include/asm-ppc/posix_types.h

   1 #ifndef _PPC_POSIX_TYPES_H
   2 #define _PPC_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 int    __kernel_dev_t;
  11 typedef unsigned int    __kernel_ino_t;
  12 typedef unsigned int    __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 int    __kernel_uid_t;
  17 typedef unsigned int    __kernel_gid_t;
  18 typedef unsigned long   __kernel_size_t;
  19 typedef long            __kernel_ssize_t;
  20 typedef long            __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_daddr_t;
  25 typedef char *          __kernel_caddr_t;
  26 typedef short             __kernel_ipc_pid_t;
  27
  28 #ifdef __GNUC__
  29 typedef long long       __kernel_loff_t;
  30 #endif
  31
  32 typedef struct {
  33         int     val[2];
  34 } __kernel_fsid_t;
  35
  36 #ifndef __GNUC__
  37
  38 #define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  39 #define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  40 #define __FD_ISSET(d, set)      ((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
  41 #define __FD_ZERO(set)  \
  42   ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
  43
  44 #else /* __GNUC__ */
  45
  46 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \
  47     || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
  48 /* With GNU C, use inline functions instead so args are evaluated only once: */
  49
  50 #undef __FD_SET
  51 static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
  52 {
  53         unsigned long _tmp = fd / __NFDBITS;
  54         unsigned long _rem = fd % __NFDBITS;
  55         fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
  56 }
  57
  58 #undef __FD_CLR
  59 static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
  60 {
  61         unsigned long _tmp = fd / __NFDBITS;
  62         unsigned long _rem = fd % __NFDBITS;
  63         fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
  64 }
  65
  66 #undef __FD_ISSET
  67 static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
  68 {
  69         unsigned long _tmp = fd / __NFDBITS;
  70         unsigned long _rem = fd % __NFDBITS;
  71         return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
  72 }
  73
  74 /*
  75  * This will unroll the loop for the normal constant case (8 ints,
  76  * for a 256-bit fd_set)
  77  */
  78 #undef __FD_ZERO
  79 static __inline__ void __FD_ZERO(__kernel_fd_set *p)
  80 {
  81         unsigned int *tmp = (unsigned int *)p->fds_bits;
  82         int i;
  83
  84         if (__builtin_constant_p(__FDSET_LONGS)) {
  85                 switch (__FDSET_LONGS) {
  86                         case 8:
  87                                 tmp[0] = 0; tmp[1] = 0; tmp[2] = 0; tmp[3] = 0;
  88                                 tmp[4] = 0; tmp[5] = 0; tmp[6] = 0; tmp[7] = 0;
  89                                 return;
  90                 }
  91         }
  92         i = __FDSET_LONGS;
  93         while (i) {
  94                 i--;
  95                 *tmp = 0;
  96                 tmp++;
  97         }
  98 }
  99
 100 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
 101 #endif /* __GNUC__ */
 102 #endif /* _PPC_POSIX_TYPES_H */