/* * Copyright (c) Meta Platforms, Inc. and 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. */ #pragma once #include <folly/IntrusiveList.h> #include <folly/Synchronized.h> #include <folly/fibers/Baton.h> #include <folly/futures/Future.h> #if FOLLY_HAS_COROUTINES #include <folly/experimental/coro/Task.h> #endif #include <deque> namespace folly { namespace fibers { /* * Fiber-compatible semaphore base. Will safely block fibers that wait when no * tokens are available and wake fibers when signalled. */ class SemaphoreBase { … }; } // namespace fibers } // namespace folly