C++ (Cpp) get_current_abi Examples

Example #1

File: xfs_dir.c Project: crossmeta/sgi

/*
 * Implement readdir.
 */
static int							/* error */
xfs_dir_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio, int *eofp)
{
	dirent_t *dbp;
	int locklen = 0, alignment, retval, is32;
	xfs_dir_put_t put;
	int error;

	XFS_STATS_INC(xs_dir_getdents);
	ASSERT((dp->i_d.di_mode & IFMT) == IFDIR);

	/*
	 * If our caller has given us a single contiguous memory buffer,
	 * just work directly within that buffer.  If it's in user memory,
	 * lock it down first.
	 */
	is32 = ABI_IS_IRIX5(GETDENTS_ABI(get_current_abi(), uio));
	alignment = (is32 ? sizeof(xfs32_off_t) : sizeof(xfs_off_t)) - 1;
	if ((uio->uio_iovcnt == 1) &&
#if CELL_CAPABLE
	    !KT_CUR_ISXTHREAD() &&
#endif
	    (((__psint_t)uio->uio_iov[0].iov_base & alignment) == 0) &&
	    ((uio->uio_iov[0].iov_len & alignment) == 0)) {
		dbp = NULL;
		if (uio->uio_segflag == UIO_SYSSPACE) {
			put = xfs_dir_put_dirent64_direct;
		} else {
			put = is32 ?
				xfs_dir_put_dirent32_direct :
				xfs_dir_put_dirent64_direct;
		}
	} else {
		dbp = kmem_alloc(sizeof(*dbp) + MAXNAMELEN, KM_SLEEP);
		put = is32 ?
			xfs_dir_put_dirent32_uio :
			xfs_dir_put_dirent64_uio;
	}

	/*
	 * Decide on what work routines to call based on the inode size.
	 */
	*eofp = 0;

	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
		retval = xfs_dir_shortform_getdents(dp, uio, eofp, dbp, put);
	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
		retval = xfs_dir_leaf_getdents(trans, dp, uio, eofp, dbp, put);
	} else {
		retval = xfs_dir_node_getdents(trans, dp, uio, eofp, dbp, put);
	}
	if (dbp != NULL)
		kmem_free(dbp, sizeof(*dbp) + MAXNAMELEN);

	return(retval);
}

Example #2

File: afs_syscall.c Project: jisqyv/openafs

copyin_afs_ioctl(caddr_t cmarg, struct afs_ioctl *dst)
#endif
{
    int code;
#if defined(AFS_DARWIN100_ENV)
    struct afs_ioctl32 dst32;

    if (!proc_is64bit(current_proc())) {
	AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
	if (!code)
	    afs_ioctl32_to_afs_ioctl(&dst32, dst);
	return code;
    }
#endif
#if defined(AFS_AIX51_ENV) && defined(AFS_64BIT_KERNEL)
    struct afs_ioctl32 dst32;

    if (!(IS64U)) {
	AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
	if (!code)
	    afs_ioctl32_to_afs_ioctl(&dst32, dst);
	return code;
    }
#endif /* defined(AFS_AIX51_ENV) && defined(AFS_64BIT_KERNEL) */


#if defined(AFS_HPUX_64BIT_ENV)
    struct afs_ioctl32 dst32;

    if (is_32bit(u.u_procp)) {	/* is_32bit() in proc_iface.h */
	AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
	if (!code)
	    afs_ioctl32_to_afs_ioctl(&dst32, dst);
	return code;
    }
#endif /* defined(AFS_HPUX_64BIT_ENV) */

#if defined(AFS_SUN5_64BIT_ENV)
    struct afs_ioctl32 dst32;

    if (get_udatamodel() == DATAMODEL_ILP32) {
	AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
	if (!code)
	    afs_ioctl32_to_afs_ioctl(&dst32, dst);
	return code;
    }
#endif /* defined(AFS_SUN5_64BIT_ENV) */

#if defined(AFS_SGI_ENV) && (_MIPS_SZLONG==64)
    struct afs_ioctl32 dst32;

    if (!ABI_IS_64BIT(get_current_abi())) {
	AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
	if (!code)
	    afs_ioctl32_to_afs_ioctl(&dst32, dst);
	return code;
    }
#endif /* defined(AFS_SGI_ENV) && (_MIPS_SZLONG==64) */

#if defined(AFS_LINUX_64BIT_KERNEL) && !defined(AFS_ALPHA_LINUX20_ENV) && !defined(AFS_IA64_LINUX20_ENV)
    struct afs_ioctl32 dst32;

#ifdef AFS_SPARC64_LINUX26_ENV
    if (test_thread_flag(TIF_32BIT))
#elif defined(AFS_SPARC64_LINUX24_ENV)
    if (current->thread.flags & SPARC_FLAG_32BIT)
#elif defined(AFS_SPARC64_LINUX20_ENV)
    if (current->tss.flags & SPARC_FLAG_32BIT)

#elif defined(AFS_AMD64_LINUX26_ENV)
    if (test_thread_flag(TIF_IA32))
#elif defined(AFS_AMD64_LINUX20_ENV)
    if (current->thread.flags & THREAD_IA32)

#elif defined(AFS_PPC64_LINUX26_ENV)
#if defined(STRUCT_TASK_STRUCT_HAS_THREAD_INFO)
    if (current->thread_info->flags & _TIF_32BIT)
#else
    if (task_thread_info(current)->flags & _TIF_32BIT)
#endif
#elif defined(AFS_PPC64_LINUX20_ENV)
    if (current->thread.flags & PPC_FLAG_32BIT)

#elif defined(AFS_S390X_LINUX26_ENV)
    if (test_thread_flag(TIF_31BIT))
#elif defined(AFS_S390X_LINUX20_ENV)
    if (current->thread.flags & S390_FLAG_31BIT)

#else
#error pioctl32 not done for this linux
#endif
    {
	AFS_COPYIN(cmarg, (caddr_t) & dst32, sizeof dst32, code);
	if (!code)
	    afs_ioctl32_to_afs_ioctl(&dst32, dst);
	return code;
    }
#endif /* defined(AFS_LINUX_64BIT_KERNEL) */

    AFS_COPYIN(cmarg, (caddr_t) dst, sizeof *dst, code);
    return code;
}