LXR linux/arch/ia64/include/asm/posix

   1#ifndef _ASM_IA64_POSIX_TYPES_H
   2#define _ASM_IA64_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 * Based on <asm-alpha/posix_types.h>.
  10 *
  11 * Modified 1998-2000, 2003
  12 *      David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
  13 */
  14
  15typedef unsigned long   __kernel_ino_t;
  16typedef unsigned int    __kernel_mode_t;
  17typedef unsigned int    __kernel_nlink_t;
  18typedef long            __kernel_off_t;
  19typedef long long       __kernel_loff_t;
  20typedef int             __kernel_pid_t;
  21typedef int             __kernel_ipc_pid_t;
  22typedef unsigned int    __kernel_uid_t;
  23typedef unsigned int    __kernel_gid_t;
  24typedef unsigned long   __kernel_size_t;
  25typedef long            __kernel_ssize_t;
  26typedef long            __kernel_ptrdiff_t;
  27typedef long            __kernel_time_t;
  28typedef long            __kernel_suseconds_t;
  29typedef long            __kernel_clock_t;
  30typedef int             __kernel_timer_t;
  31typedef int             __kernel_clockid_t;
  32typedef int             __kernel_daddr_t;
  33typedef char *          __kernel_caddr_t;
  34typedef unsigned long   __kernel_sigset_t;      /* at least 32 bits */
  35typedef unsigned short  __kernel_uid16_t;
  36typedef unsigned short  __kernel_gid16_t;
  37
  38typedef struct {
  39        int     val[2];
  40} __kernel_fsid_t;
  41
  42typedef __kernel_uid_t __kernel_old_uid_t;
  43typedef __kernel_gid_t __kernel_old_gid_t;
  44typedef __kernel_uid_t __kernel_uid32_t;
  45typedef __kernel_gid_t __kernel_gid32_t;
  46
  47typedef unsigned int    __kernel_old_dev_t;
  48
  49# ifdef __KERNEL__
  50
  51#  ifndef __GNUC__
  52
  53#define __FD_SET(d, set)        ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
  54#define __FD_CLR(d, set)        ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
  55#define __FD_ISSET(d, set)      (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
  56#define __FD_ZERO(set)  \
  57  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
  58
  59#  else /* !__GNUC__ */
  60
  61/* With GNU C, use inline functions instead so args are evaluated only once: */
  62
  63#undef __FD_SET
  64static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp)
  65{
  66        unsigned long _tmp = fd / __NFDBITS;
  67        unsigned long _rem = fd % __NFDBITS;
  68        fdsetp->fds_bits[_tmp] |= (1UL<<_rem);
  69}
  70
  71#undef __FD_CLR
  72static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp)
  73{
  74        unsigned long _tmp = fd / __NFDBITS;
  75        unsigned long _rem = fd % __NFDBITS;
  76        fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem);
  77}
  78
  79#undef __FD_ISSET
  80static __inline__ int __FD_ISSET(unsigned long fd, const __kernel_fd_set *p)
  81{ 
  82        unsigned long _tmp = fd / __NFDBITS;
  83        unsigned long _rem = fd % __NFDBITS;
  84        return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0;
  85}
  86
  87/*
  88 * This will unroll the loop for the normal constant case (8 ints,
  89 * for a 256-bit fd_set)
  90 */
  91#undef __FD_ZERO
  92static __inline__ void __FD_ZERO(__kernel_fd_set *p)
  93{
  94        unsigned long *tmp = p->fds_bits;
  95        int i;
  96
  97        if (__builtin_constant_p(__FDSET_LONGS)) {
  98                switch (__FDSET_LONGS) {
  99                      case 16:
 100                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 101                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 102                        tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0;
 103                        tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0;
 104                        return;
 105
 106                      case 8:
 107                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 108                        tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0;
 109                        return;
 110
 111                      case 4:
 112                        tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0;
 113                        return;
 114                }
 115        }
 116        i = __FDSET_LONGS;
 117        while (i) {
 118                i--;
 119                *tmp = 0;
 120                tmp++;
 121        }
 122}
 123
 124#  endif /* !__GNUC__ */
 125# endif /* __KERNEL__ */
 126#endif /* _ASM_IA64_POSIX_TYPES_H */
 127