blob: 1d480af407bb02e8d053dc34b66854146db64f93 [file] [log] [blame]
Sirshak Das2f6d7bb2018-10-03 22:53:51 +00001/*
2 * Copyright (c) 2018 Cisco and/or its affiliates.
3 * Copyright (c) 2018 Arm Limited. and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef included_clib_atomics_h
18#define included_clib_atomics_h
19
20/* Legacy __sync builtins */
21
22/* Full Barrier */
23#define clib_atomic_fetch_add(a, b) __sync_fetch_and_add(a, b)
24#define clib_atomic_fetch_sub(a, b) __sync_fetch_and_sub(a, b)
25#define clib_atomic_fetch_and(a, b) __sync_fetch_and_and(a, b)
26#define clib_atomic_fetch_xor(a, b) __sync_fetch_and_xor(a, b)
27#define clib_atomic_fetch_or(a, b) __sync_fetch_and_or(a, b)
28#define clib_atomic_fetch_nand(a, b) __sync_fetch_nand(a, b)
29
30#define clib_atomic_add_fetch(a, b) __sync_add_and_fetch(a, b)
31#define clib_atomic_sub_fetch(a, b) __sync_sub_and_fetch(a, b)
32#define clib_atomic_and_fetch(a, b) __sync_and_and_fetch(a, b)
33#define clib_atomic_xor_fetch(a, b) __sync_xor_and_fetch(a, b)
34#define clib_atomic_or_fetch(a, b) __sync_or_and_fetch(a, b)
35#define clib_atomic_nand_fetch(a, b) __sync_nand_and_fetch(a, b)
36
37#define clib_atomic_cmp_and_swap(addr,old,new) __sync_val_compare_and_swap(addr, old, new)
38#define clib_atomic_bool_cmp_and_swap(addr,old,new) __sync_bool_compare_and_swap(addr, old, new)
39
Sirshak Das3bb65402019-05-28 08:44:46 -050040#define clib_atomic_test_and_set(a) __atomic_exchange_n(a, 1, __ATOMIC_ACQUIRE)
Sirshak Das2f6d7bb2018-10-03 22:53:51 +000041#define clib_atomic_release(a) __sync_lock_release(a)
42
Sirshak Das28aa5392019-02-05 01:33:33 -060043#define clib_atomic_fence_rel() __atomic_thread_fence(__ATOMIC_RELEASE);
44
Sirshak Das19515ac2018-11-07 18:46:42 -060045#define clib_atomic_load_acq_n(a) __atomic_load_n((a), __ATOMIC_ACQUIRE)
Sirshak Das5b718d52018-10-12 09:38:27 -050046#define clib_atomic_store_rel_n(a, b) __atomic_store_n ((a), (b), __ATOMIC_RELEASE)
Sirshak Das28aa5392019-02-05 01:33:33 -060047
Sirshak Das5b718d52018-10-12 09:38:27 -050048#define clib_atomic_swap_acq_n(a, b) __atomic_exchange_n ((a), (b), __ATOMIC_ACQUIRE)
Florin Coras881d13e2019-03-21 21:17:43 -070049#define clib_atomic_swap_rel_n(a, b) __atomic_exchange_n ((a), (b), __ATOMIC_RELEASE)
Sirshak Das5b718d52018-10-12 09:38:27 -050050
Sirshak Das19515ac2018-11-07 18:46:42 -060051#define clib_atomic_fetch_add_rel(a, b) __atomic_fetch_add((a), (b), __ATOMIC_RELEASE)
52#define clib_atomic_fetch_sub_rel(a, b) __atomic_fetch_sub((a), (b), __ATOMIC_RELEASE)
53
Sirshak Das2f6d7bb2018-10-03 22:53:51 +000054#endif /* included_clib_atomics_h */