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Diffstat (limited to 'src/vppinfra/atomics.h')
| -rw-r--r-- | src/vppinfra/atomics.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/vppinfra/atomics.h b/src/vppinfra/atomics.h new file mode 100644 index 00000000000..8ddf13801df --- /dev/null +++ b/src/vppinfra/atomics.h @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2018 Cisco and/or its affiliates. + * Copyright (c) 2018 Arm Limited. and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef included_clib_atomics_h +#define included_clib_atomics_h + +/* Legacy __sync builtins */ + +/* Full Barrier */ +#define clib_atomic_fetch_add(a, b) __sync_fetch_and_add(a, b) +#define clib_atomic_fetch_sub(a, b) __sync_fetch_and_sub(a, b) +#define clib_atomic_fetch_and(a, b) __sync_fetch_and_and(a, b) +#define clib_atomic_fetch_xor(a, b) __sync_fetch_and_xor(a, b) +#define clib_atomic_fetch_or(a, b) __sync_fetch_and_or(a, b) +#define clib_atomic_fetch_nand(a, b) __sync_fetch_nand(a, b) + +#define clib_atomic_add_fetch(a, b) __sync_add_and_fetch(a, b) +#define clib_atomic_sub_fetch(a, b) __sync_sub_and_fetch(a, b) +#define clib_atomic_and_fetch(a, b) __sync_and_and_fetch(a, b) +#define clib_atomic_xor_fetch(a, b) __sync_xor_and_fetch(a, b) +#define clib_atomic_or_fetch(a, b) __sync_or_and_fetch(a, b) +#define clib_atomic_nand_fetch(a, b) __sync_nand_and_fetch(a, b) + +#define clib_atomic_cmp_and_swap(addr,old,new) __sync_val_compare_and_swap(addr, old, new) +#define clib_atomic_bool_cmp_and_swap(addr,old,new) __sync_bool_compare_and_swap(addr, old, new) + +/*Accquire Barrier*/ +#define clib_atomic_test_and_set(a) __sync_lock_test_and_set(a, 1) +/*Release Barrier*/ +#define clib_atomic_release(a) __sync_lock_release(a) + +#endif /* included_clib_atomics_h */ |