2 * Copyright © 2009-2012 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Eric Anholt <eric@anholt.net>
45 struct set_entry
*table
;
46 bool (*key_equals_function
)(const void *a
, const void *b
);
52 uint32_t deleted_entries
;
56 _mesa_set_create(void *mem_ctx
,
57 bool (*key_equals_function
)(const void *a
,
60 _mesa_set_destroy(struct set
*set
,
61 void (*delete_function
)(struct set_entry
*entry
));
64 _mesa_set_add(struct set
*set
, uint32_t hash
, const void *key
);
67 _mesa_set_search(const struct set
*set
, uint32_t hash
,
71 _mesa_set_remove(struct set
*set
, struct set_entry
*entry
);
74 _mesa_set_next_entry(const struct set
*set
, struct set_entry
*entry
);
77 _mesa_set_random_entry(struct set
*set
,
78 int (*predicate
)(struct set_entry
*entry
));
81 * This foreach function is safe against deletion, but not against
82 * insertion (which may rehash the set, making entry a dangling
85 #define set_foreach(set, entry) \
86 for (entry = _mesa_set_next_entry(set, NULL); \
88 entry = _mesa_set_next_entry(set, entry))