LXR linux/include/asm-alpha/posix

   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
  10typedef unsigned int    __kernel_ino_t;
  11typedef unsigned int    __kernel_mode_t;
  12typedef unsigned int    __kernel_nlink_t;
  13typedef long            __kernel_off_t;
  14typedef long long       __kernel_loff_t;
  15typedef int             __kernel_pid_t;
  16typedef int             __kernel_ipc_pid_t;
  17typedef unsigned int    __kernel_uid_t;
  18typedef unsigned int    __kernel_gid_t;
  19typedef unsigned long   __kernel_size_t;
  20typedef long            __kernel_ssize_t;
  21typedef long            __kernel_ptrdiff_t;
  22typedef long            __kernel_time_t;
  23typedef long            __kernel_suseconds_t;
  24typedef long            __kernel_clock_t;
  25typedef int             __kernel_daddr_t;
  26typedef char *          __kernel_caddr_t;
  27typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
  28typedef unsigned short  __kernel_uid16_t;
  29typedef unsigned short  __kernel_gid16_t;
  30typedef int             __kernel_clockid_t;
  31typedef int             __kernel_timer_t;
  32
  33typedef struct {
  34        int     val[2];
  35} __kernel_fsid_t;
  36
  37typedef __kernel_uid_t __kernel_old_uid_t;
  38typedef __kernel_gid_t __kernel_old_gid_t;
  39typedef __kernel_uid_t __kernel_uid32_t;
  40typedef __kernel_gid_t __kernel_gid32_t;
  41
  42typedef 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
  59static __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
  67static __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
  75static __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
  87static __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 */
 124