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- /*
- * Copyright 2016-present Facebook, Inc.
- *
- * 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.
- */
- #pragma once
- #ifdef _WIN32
- #include <intrin.h>
- #include <stdint.h>
- #include <folly/Portability.h>
- FOLLY_ALWAYS_INLINE
- int64_t __sync_fetch_and_add(volatile int64_t* ptr, int64_t value) {
- return _InterlockedExchangeAdd64(ptr, value);
- }
- #endif
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