include/asm-alpha/posix_types.h

   1 #ifndef _ALPHA_POSIX_TYPES_H
   2 #define _ALPHA_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_ino_t;
  11 typedef unsigned int    __kernel_mode_t;
  12 typedef unsigned int    __kernel_nlink_t;
  13 typedef long            __kernel_off_t;
  14 typedef long long       __kernel_loff_t;
  15 typedef int             __kernel_pid_t;
  16 typedef int             __kernel_ipc_pid_t;
  17 typedef unsigned int    __kernel_uid_t;
  18 typedef unsigned int    __kernel_gid_t;
  19 typedef unsigned long   __kernel_size_t;
  20 typedef long            __kernel_ssize_t;
  21 typedef long            __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 long   __kernel_sigset_t;      /* at least 32 bits */
  28 typedef unsigned short  __kernel_uid16_t;
  29 typedef unsigned short  __kernel_gid16_t;
  30 typedef int             __kernel_clockid_t;
  31 typedef int             __kernel_timer_t;
  32
  33 typedef struct {
  34         int     val[2];
  35 } __kernel_fsid_t;
  36
  37 typedef __kernel_uid_t __kernel_old_uid_t;
  38 typedef __kernel_gid_t __kernel_old_gid_t;
  39 typedef __kernel_uid_t __kernel_uid32_t;
  40 typedef __kernel_gid_t __kernel_gid32_t;
  41
  42 typedef unsigned int    __kernel_old_dev_t;
  43
  44 #ifdef __KERNEL__
  45
  46 #ifndef __GNUC__
  47
  48 #define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  49 #define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  50 #define __FD_ISSET(d, set)      (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
  51 #define __FD_ZERO(set)  \
  52   ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
  53
  54 #else /* __GNUC__ */
  55
  56 /* With GNU C, use inline functions instead so args are evaluated only once: */
  57
  58 #undef __FD_SET
  59 static __inline__ void __FD_SET(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_CLR
  67 static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
  68 {
  69         unsigned long _tmp = fd / __NFDBITS;
  70         unsigned long _rem = fd % __NFDBITS;
  71         fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
  72 }
  73
  74 #undef __FD_ISSET
  75 static __inline__ int __FD_ISSET(unsigned long fd, const __kernel_fd_set *p)
  76 {
  77         unsigned long _tmp = fd / __NFDBITS;
  78         unsigned long _rem = fd % __NFDBITS;
  79         return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
  80 }
  81
  82 /*
  83  * This will unroll the loop for the normal constant case (8 ints,
  84  * for a 256-bit fd_set)
  85  */
  86 #undef __FD_ZERO
  87 static __inline__ void __FD_ZERO(__kernel_fd_set *p)
  88 {
  89         unsigned long *tmp = p->fds_bits;
  90         int i;
  91
  92         if (__builtin_constant_p(__FDSET_LONGS)) {
  93                 switch (__FDSET_LONGS) {
  94                       case 16:
  95                         tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
  96                         tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
  97                         tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
  98                         tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
  99                         return;
 100
 101                       case 8:
 102                         tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 103                         tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 104                         return;
 105
 106                       case 4:
 107                         tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 108                         return;
 109                 }
 110         }
 111         i = __FDSET_LONGS;
 112         while (i) {
 113                 i--;
 114                 *tmp = 0;
 115                 tmp++;
 116         }
 117 }
 118
 119 #endif /* __GNUC__ */
 120
 121 #endif /* __KERNEL__ */
 122
 123 #endif /* _ALPHA_POSIX_TYPES_H */