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/* Default functions for the hook vector
Copyright (C) 1995 Free Software Foundation, Inc.
Written by Miles Bader <miles@gnu.ai.mit.edu>
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "treefs.h"
#include "treefs-s-hooks.h"
typedef void (*vf)();
static error_t unsupp () { return EOPNOTSUPP; }
static error_t nop () { return 0; }
static int true () { return 1; }
/* Most hooks return an error_t, so the default for anything not mentioned in
this array is to return EOPNOTSUPP. Any hooks returning different types,
or with some different default behavior should be mentioned here. */
treefs_hook_vector_init_t treefs_default_hooks =
{
/* directory rpcs */
[TREEFS_HOOK_S_DIR_LOOKUP] = (vf)_treefs_s_dir_lookup,
[TREEFS_HOOK_S_FSYS_GETROOT] = (vf)_treefs_s_fsys_getroot,
[TREEFS_HOOK_S_FSYS_SYNCFS] = (vf)nop,
/* Non-rpc fsys hooks */
[TREEFS_HOOK_FSYS_CREATE_NODE] = (vf)_treefs_fsys_create_node,
[TREEFS_HOOK_FSYS_DESTROY_NODE] = (vf)_treefs_fsys_destroy_node,
[TREEFS_HOOK_FSYS_GET_ROOT] = (vf)_treefs_fsys_get_root,
/* Node hooks */
[TREEFS_HOOK_NODE_TYPE] = (vf)_treefs_node_type,
[TREEFS_HOOK_NODE_UNLINKED] = (vf)true,
[TREEFS_HOOK_NODE_MOD_LINK_COUNT] = (vf)_treefs_node_mod_link_count,
[TREEFS_HOOK_DIR_LOOKUP] = (vf)_treefs_dir_lookup,
[TREEFS_HOOK_DIR_NOENT] = (vf)_treefs_dir_noent,
[TREEFS_HOOK_DIR_CREATE_CHILD] = (vf)_treefs_dir_create_child,
[TREEFS_HOOK_DIR_LINK] = (vf)_treefs_dir_link,
[TREEFS_HOOK_DIR_UNLINK] = (vf)_treefs_dir_unlink,
[TREEFS_HOOK_NODE_OWNED] = (vf)_treefs_node_owned,
[TREEFS_HOOK_NODE_ACCESS] = (vf)_treefs_node_access,
[TREEFS_HOOK_NODE_START_TRANSLATOR] = (vf)_treefs_node_start_translator,
[TREEFS_HOOK_NODE_INIT] = (vf)nop,
[TREEFS_HOOK_DIR_INIT] = (vf)nop,
[TREEFS_HOOK_NODE_INIT_PEROPEN] = (vf)nop,
[TREEFS_HOOK_NODE_INIT_HANDLE] = (vf)nop,
[TREEFS_HOOK_NODE_FINALIZE] = (vf)nop,
[TREEFS_HOOK_NODE_FINALIZE_PEROPEN] = (vf)nop,
[TREEFS_HOOK_NODE_FINALIZE_HANDLE] = (vf)nop,
/* Reference counting support */
[TREEFS_HOOK_NODE_NEW_REFS] = (vf)nop,
[TREEFS_HOOK_NODE_LOST_REFS] = (vf)nop,
[TREEFS_HOOK_NODE_TRY_DROPPING_WEAK_REFS] = (vf)nop,
};
void _treefs_init_defhooks()
{
int i;
for (i = 0; i < TREEFS_NUM_HOOKS; i++)
if (!treefs_default_hooks[i])
treefs_default_hooks[i] = (vf)unsupp;
}
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