http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/radix-tree.h

/* * Copyright (C) 2001 Momchil Velikov * Portions Copyright (C) 2001 Christoph Hellwig * * This program 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. * * This program 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. */ #ifndef _LINUX_RADIX_TREE_H #define _LINUX_RADIX_TREE_H #include <linux/sched.h> #include <linux/preempt.h> #include <linux/types.h> struct radix_tree_root { unsigned int height; gfp_t gfp_mask; struct radix_tree_node *rnode; }; #define RADIX_TREE_INIT(mask) { \ .height = 0, \ .gfp_mask = (mask), \ .rnode = NULL, \ } #define RADIX_TREE(name, mask) \ struct radix_tree_root name = RADIX_TREE_INIT(mask) #define INIT_RADIX_TREE(root, mask) \ do { \ (root)->height = 0; \ (root)->gfp_mask = (mask); \ (root)->rnode = NULL; \ } while (0) int radix_tree_insert(struct radix_tree_root *, unsigned long, void *); void *radix_tree_lookup(struct radix_tree_root *, unsigned long); void **radix_tree_lookup_slot(struct radix_tree_root *, unsigned long); void *radix_tree_delete(struct radix_tree_root *, unsigned long); unsigned int radix_tree_gang_lookup(struct radix_tree_root *root, void **results, unsigned long first_index, unsigned int max_items); int radix_tree_preload(gfp_t gfp_mask); void radix_tree_init(void); void *radix_tree_tag_set(struct radix_tree_root *root, unsigned long index, int tag); void *radix_tree_tag_clear(struct radix_tree_root *root, unsigned long index, int tag); int radix_tree_tag_get(struct radix_tree_root *root, unsigned long index, int tag); unsigned int radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results, unsigned long first_index, unsigned int max_items, int tag); int radix_tree_tagged(struct radix_tree_root *root, int tag); static inline void radix_tree_preload_end(void) { preempt_enable(); } #endif /* _LINUX_RADIX_TREE_H */