1 | /* |
2 | * Copyright 2018-present Facebook, Inc. |
3 | * |
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 | #include <folly/synchronization/AtomicNotification.h> |
17 | |
18 | #include <cstdint> |
19 | |
20 | namespace folly { |
21 | namespace detail { |
22 | namespace atomic_notification { |
23 | |
24 | // ParkingLot instance used for the atomic_wait() family of functions |
25 | // |
26 | // This has been defined as a static object (as opposed to allocated to avoid |
27 | // destruction order problems) because of possible uses coming from |
28 | // allocation-sensitive contexts. |
29 | ParkingLot<std::uint32_t> parkingLot; |
30 | |
31 | } // namespace atomic_notification |
32 | } // namespace detail |
33 | } // namespace folly |
34 | |