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- /*
- * Copyright 2018-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
- #include <folly/Executor.h>
- namespace folly {
- // SequencedExecutor is an executor that provides the following guarantee:
- // if add(A) and add(B) were sequenced (i.e. add(B) was called after add(A) call
- // had returned to the caller) then execution of A and B will be sequenced
- // (i.e. B() can be called only after A() returns) too.
- class SequencedExecutor : public virtual Executor {};
- } // namespace folly
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