projects / userspace-rcu.git / blame
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|---|---|---|
| d553beef MD |
1 | #ifndef _URCU_RCUJA_H |
| 2 | #define _URCU_RCUJA_H | |
| 3 | ||
| 4 | /* | |
| 5 | * urcu/rcuja.h | |
| 6 | * | |
| 7 | * Userspace RCU library - RCU Judy Array | |
| 8 | * | |
| 9 | * Copyright 2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 10 | * | |
| 11 | * This library is free software; you can redistribute it and/or | |
| 12 | * modify it under the terms of the GNU Lesser General Public | |
| 13 | * License as published by the Free Software Foundation; either | |
| 14 | * version 2.1 of the License, or (at your option) any later version. | |
| 15 | * | |
| 16 | * This library is distributed in the hope that it will be useful, | |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 19 | * Lesser General Public License for more details. | |
| 20 | * | |
| 21 | * You should have received a copy of the GNU Lesser General Public | |
| 22 | * License along with this library; if not, write to the Free Software | |
| 23 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 24 | * | |
| 25 | * Include this file _after_ including your URCU flavor. | |
| 26 | */ | |
| 27 | ||
| 28 | #include <stdint.h> | |
| 29 | #include <urcu/compiler.h> | |
| 30 | #include <urcu-call-rcu.h> | |
| 31 | #include <urcu-flavor.h> | |
| 32 | #include <stdint.h> | |
| 33 | #include <urcu/rcuhlist.h> | |
| 34 | ||
| 35 | #ifdef __cplusplus | |
| 36 | extern "C" { | |
| 37 | #endif | |
| 38 | ||
| 39 | struct cds_ja_node { | |
| 40 | /* Linked list of nodes with same key */ | |
| 41 | struct cds_hlist_node list; | |
| d553beef MD |
42 | }; |
| 43 | ||
| 44 | struct cds_ja; | |
| 45 | ||
| 46 | /* | |
| 47 | * cds_ja_node_init - initialize a judy array node | |
| 48 | * @node: the node to initialize. | |
| 49 | * | |
| 50 | * This function is kept to be eventually used for debugging purposes | |
| 51 | * (detection of memory corruption). | |
| 52 | */ | |
| 53 | static inline | |
| 54 | void cds_ja_node_init(struct cds_ja_node *node) | |
| 55 | { | |
| 56 | } | |
| 57 | ||
| 58 | struct cds_hlist_head cds_ja_lookup(struct cds_ja *ja, uint64_t key); | |
| 291b2543 MD |
59 | struct cds_hlist_head cds_ja_lookup_lower_equal(struct cds_ja *ja, |
| 60 | uint64_t key); | |
| d553beef MD |
61 | |
| 62 | int cds_ja_add(struct cds_ja *ja, uint64_t key, | |
| 63 | struct cds_ja_node *new_node); | |
| 64 | ||
| 75d573aa MD |
65 | struct cds_ja_node *cds_ja_add_unique(struct cds_ja *ja, uint64_t key, |
| 66 | struct cds_ja_node *new_node); | |
| 67 | ||
| d553beef MD |
68 | int cds_ja_del(struct cds_ja *ja, uint64_t key, |
| 69 | struct cds_ja_node *node); | |
| 70 | ||
| 71 | struct cds_ja *_cds_ja_new(unsigned int key_bits, | |
| 72 | const struct rcu_flavor_struct *flavor); | |
| 73 | ||
| 74 | static inline | |
| 75 | struct cds_ja *cds_ja_new(unsigned int key_bits) | |
| 76 | { | |
| 77 | return _cds_ja_new(key_bits, &rcu_flavor); | |
| 78 | } | |
| 79 | ||
| 80 | int cds_ja_destroy(struct cds_ja *ja, | |
| 21ac4c56 | 81 | void (*rcu_free_node_cb)(struct cds_ja_node *node)); |
| d553beef MD |
82 | |
| 83 | #ifdef __cplusplus | |
| 84 | } | |
| 85 | #endif | |
| 86 | ||
| 87 | #endif /* _URCU_RCUJA_H */ |