/* 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; }