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 int    __kernel_size_t;
  19 typedef int             __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 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 int    __kernel_old_uid_t;
  33 typedef unsigned int    __kernel_old_gid_t;
  34
  35 #ifdef __GNUC__
  36 typedef long long       __kernel_loff_t;
  37 #endif
  38
  39 typedef struct {
  40         int     val[2];
  41 } __kernel_fsid_t;
  42
  43 #ifndef __GNUC__
  44
  45 #define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  46 #define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  47 #define __FD_ISSET(d, set)      ((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
  48 #define __FD_ZERO(set)  \
  49   ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
  50
  51 #else /* __GNUC__ */
  52
  53 #if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \
  54     || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0)
  55 /* With GNU C, use inline functions instead so args are evaluated only once: */
  56
  57 #undef __FD_SET
  58 static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
  59 {
  60         unsigned long _tmp = fd / __NFDBITS;
  61         unsigned long _rem = fd % __NFDBITS;
  62         fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
  63 }
  64
  65 #undef __FD_CLR
  66 static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
  67 {
  68         unsigned long _tmp = fd / __NFDBITS;
  69         unsigned long _rem = fd % __NFDBITS;
  70         fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
  71 }
  72
  73 #undef __FD_ISSET
  74 static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
  75 {
  76         unsigned long _tmp = fd / __NFDBITS;
  77         unsigned long _rem = fd % __NFDBITS;
  78         return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
  79 }
  80
  81 /*
  82  * This will unroll the loop for the normal constant case (8 ints,
  83  * for a 256-bit fd_set)
  84  */
  85 #undef __FD_ZERO
  86 static __inline__ void __FD_ZERO(__kernel_fd_set *p)
  87 {
  88         unsigned int *tmp = (unsigned int *)p->fds_bits;
  89         int i;
  90
  91         if (__builtin_constant_p(__FDSET_LONGS)) {
  92                 switch (__FDSET_LONGS) {
  93                         case 8:
  94                                 tmp[0] = 0; tmp[1] = 0; tmp[2] = 0; tmp[3] = 0;
  95                                 tmp[4] = 0; tmp[5] = 0; tmp[6] = 0; tmp[7] = 0;
  96                                 return;
  97                 }
  98         }
  99         i = __FDSET_LONGS;
 100         while (i) {
 101                 i--;
 102                 *tmp = 0;
 103                 tmp++;
 104         }
 105 }
 106
 107 #endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
 108 #endif /* __GNUC__ */
 109 #endif /* _PPC_POSIX_TYPES_H */