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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.
- */
- #include <folly/test/SingletonTestStructs.h>
- #include <atomic>
- namespace {
- // A simple class that tracks how often instances of the class and
- // subclasses are created, and the ordering. Also tracks a global
- // unique counter for each object.
- std::atomic<size_t> global_counter(19770326);
- } // namespace
- std::vector<Watchdog*>& Watchdog::creation_order() {
- static std::vector<Watchdog*> ret;
- return ret;
- }
- Watchdog::Watchdog() : serial_number(++global_counter) {
- creation_order().push_back(this);
- }
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