2 * Copyright 2015 Facebook, Inc.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
21 namespace folly { namespace fibers {
25 class LoopController {
27 typedef std::chrono::steady_clock Clock;
28 typedef std::chrono::time_point<Clock> TimePoint;
30 virtual ~LoopController() {}
33 * Called by FiberManager to associate itself with the LoopController.
35 virtual void setFiberManager(FiberManager*) = 0;
38 * Called by FiberManager to schedule the loop function run
39 * at some point in the future.
41 virtual void schedule() = 0;
44 * Same as schedule(), but safe to call from any thread.
45 * Runs func and only schedules if func returned true.
47 virtual void scheduleThreadSafe(std::function<bool()> func) = 0;
50 * Called by FiberManager to cancel a previously scheduled
53 virtual void cancel() = 0;
56 * Called by FiberManager to schedule some function to be run at some time.
58 virtual void timedSchedule(std::function<void()> func, TimePoint time) = 0;