LXR linux/arch/powerpc/include/asm/posix

   1#ifndef _ASM_POWERPC_POSIX_TYPES_H
   2#define _ASM_POWERPC_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 long   __kernel_ino_t;
  11typedef unsigned int    __kernel_mode_t;
  12typedef long            __kernel_off_t;
  13typedef int             __kernel_pid_t;
  14typedef unsigned int    __kernel_uid_t;
  15typedef unsigned int    __kernel_gid_t;
  16typedef long            __kernel_ptrdiff_t;
  17typedef long            __kernel_time_t;
  18typedef long            __kernel_clock_t;
  19typedef int             __kernel_timer_t;
  20typedef int             __kernel_clockid_t;
  21typedef long            __kernel_suseconds_t;
  22typedef int             __kernel_daddr_t;
  23typedef char *          __kernel_caddr_t;
  24typedef unsigned short  __kernel_uid16_t;
  25typedef unsigned short  __kernel_gid16_t;
  26typedef unsigned int    __kernel_uid32_t;
  27typedef unsigned int    __kernel_gid32_t;
  28typedef unsigned int    __kernel_old_uid_t;
  29typedef unsigned int    __kernel_old_gid_t;
  30
  31#ifdef __powerpc64__
  32typedef unsigned long   __kernel_nlink_t;
  33typedef int             __kernel_ipc_pid_t;
  34typedef unsigned long   __kernel_size_t;
  35typedef long            __kernel_ssize_t;
  36typedef unsigned long   __kernel_old_dev_t;
  37#else
  38typedef unsigned short  __kernel_nlink_t;
  39typedef short           __kernel_ipc_pid_t;
  40typedef unsigned int    __kernel_size_t;
  41typedef int             __kernel_ssize_t;
  42typedef unsigned int    __kernel_old_dev_t;
  43#endif
  44
  45#ifdef __powerpc64__
  46typedef long long       __kernel_loff_t;
  47#else
  48#ifdef __GNUC__
  49typedef long long       __kernel_loff_t;
  50#endif
  51#endif
  52
  53typedef struct {
  54        int     val[2];
  55} __kernel_fsid_t;
  56
  57#ifndef __GNUC__
  58
  59#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  60#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  61#define __FD_ISSET(d, set)      (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
  62#define __FD_ZERO(set)  \
  63  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
  64
  65#else /* __GNUC__ */
  66
  67#if defined(__KERNEL__)
  68/* With GNU C, use inline functions instead so args are evaluated only once: */
  69
  70#undef __FD_SET
  71static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
  72{
  73        unsigned long _tmp = fd / __NFDBITS;
  74        unsigned long _rem = fd % __NFDBITS;
  75        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
  76}
  77
  78#undef __FD_CLR
  79static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
  80{
  81        unsigned long _tmp = fd / __NFDBITS;
  82        unsigned long _rem = fd % __NFDBITS;
  83        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
  84}
  85
  86#undef __FD_ISSET
  87static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set *p)
  88{ 
  89        unsigned long _tmp = fd / __NFDBITS;
  90        unsigned long _rem = fd % __NFDBITS;
  91        return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
  92}
  93
  94/*
  95 * This will unroll the loop for the normal constant case (8 ints,
  96 * for a 256-bit fd_set)
  97 */
  98#undef __FD_ZERO
  99static __inline__ void __FD_ZERO(__kernel_fd_set *p)
 100{
 101        unsigned long *tmp = (unsigned long *)p->fds_bits;
 102        int i;
 103
 104        if (__builtin_constant_p(__FDSET_LONGS)) {
 105                switch (__FDSET_LONGS) {
 106                      case 16:
 107                        tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
 108                        tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
 109
 110                      case 8:
 111                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 112
 113                      case 4:
 114                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 115                        return;
 116                }
 117        }
 118        i = __FDSET_LONGS;
 119        while (i) {
 120                i--;
 121                *tmp = 0;
 122                tmp++;
 123        }
 124}
 125
 126#endif /* defined(__KERNEL__) */
 127#endif /* __GNUC__ */
 128#endif /* _ASM_POWERPC_POSIX_TYPES_H */
 129