root/include/asm-parisc/posix_types.h

INCLUDED FROM

DEFINITIONS

1. __FD_SET
2. __FD_CLR
3. __FD_ISSET
4. __FD_ZERO

#ifndef __ARCH_PARISC_POSIX_TYPES_H
#define __ARCH_PARISC_POSIX_TYPES_H

/*
 * This file is generally used by user-level software, so you need to
 * be a little careful about namespace pollution etc.  Also, we cannot
 * assume GCC is being used.
 */
typedef unsigned long           __kernel_ino_t;
typedef unsigned short          __kernel_mode_t;
typedef unsigned short          __kernel_nlink_t;
typedef long                    __kernel_off_t;
typedef int                     __kernel_pid_t;
typedef unsigned short          __kernel_ipc_pid_t;
typedef unsigned int            __kernel_uid_t;
typedef unsigned int            __kernel_gid_t;
typedef int                     __kernel_suseconds_t;
typedef long                    __kernel_clock_t;
typedef int                     __kernel_timer_t;
typedef int                     __kernel_clockid_t;
typedef int                     __kernel_daddr_t;
/* Note these change from narrow to wide kernels */
#ifdef CONFIG_64BIT
typedef unsigned long           __kernel_size_t;
typedef long                    __kernel_ssize_t;
typedef long                    __kernel_ptrdiff_t;
typedef long                    __kernel_time_t;
#else
typedef unsigned int            __kernel_size_t;
typedef int                     __kernel_ssize_t;
typedef int                     __kernel_ptrdiff_t;
typedef long                    __kernel_time_t;
#endif
typedef char *                  __kernel_caddr_t;

typedef unsigned short          __kernel_uid16_t;
typedef unsigned short          __kernel_gid16_t;
typedef unsigned int            __kernel_uid32_t;
typedef unsigned int            __kernel_gid32_t;

#ifdef __GNUC__
typedef long long               __kernel_loff_t;
typedef long long               __kernel_off64_t;
typedef unsigned long long      __kernel_ino64_t;
#endif

typedef unsigned int            __kernel_old_dev_t;

typedef struct {
        int     val[2];
} __kernel_fsid_t;

/* compatibility stuff */
typedef __kernel_uid_t __kernel_old_uid_t;
typedef __kernel_gid_t __kernel_old_gid_t;

#if defined(__KERNEL__)

#undef __FD_SET
static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
{
        unsigned long __tmp = __fd / __NFDBITS;
        unsigned long __rem = __fd % __NFDBITS;
        __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
}

#undef __FD_CLR
static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
{
        unsigned long __tmp = __fd / __NFDBITS;
        unsigned long __rem = __fd % __NFDBITS;
        __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
}

#undef __FD_ISSET
static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
{ 
        unsigned long __tmp = __fd / __NFDBITS;
        unsigned long __rem = __fd % __NFDBITS;
        return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
}

/*
 * This will unroll the loop for the normal constant case (8 ints,
 * for a 256-bit fd_set)
 */
#undef __FD_ZERO
static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
{
        unsigned long *__tmp = __p->fds_bits;
        int __i;

        if (__builtin_constant_p(__FDSET_LONGS)) {
                switch (__FDSET_LONGS) {
                case 16:
                        __tmp[ 0] = 0; __tmp[ 1] = 0;
                        __tmp[ 2] = 0; __tmp[ 3] = 0;
                        __tmp[ 4] = 0; __tmp[ 5] = 0;
                        __tmp[ 6] = 0; __tmp[ 7] = 0;
                        __tmp[ 8] = 0; __tmp[ 9] = 0;
                        __tmp[10] = 0; __tmp[11] = 0;
                        __tmp[12] = 0; __tmp[13] = 0;
                        __tmp[14] = 0; __tmp[15] = 0;
                        return;

                case 8:
                        __tmp[ 0] = 0; __tmp[ 1] = 0;
                        __tmp[ 2] = 0; __tmp[ 3] = 0;
                        __tmp[ 4] = 0; __tmp[ 5] = 0;
                        __tmp[ 6] = 0; __tmp[ 7] = 0;
                        return;

                case 4:
                        __tmp[ 0] = 0; __tmp[ 1] = 0;
                        __tmp[ 2] = 0; __tmp[ 3] = 0;
                        return;
                }
        }
        __i = __FDSET_LONGS;
        while (__i) {
                __i--;
                *__tmp = 0;
                __tmp++;
        }
}

#endif /* defined(__KERNEL__) */

#endif