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Diffstat (limited to 'broadcastradio/common/utils/include/broadcastradio-utils/WorkerThread.h')
-rw-r--r--broadcastradio/common/utils/include/broadcastradio-utils/WorkerThread.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/broadcastradio/common/utils/include/broadcastradio-utils/WorkerThread.h b/broadcastradio/common/utils/include/broadcastradio-utils/WorkerThread.h
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1/*
2 * Copyright (C) 2017 The Android Open Source Project
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#ifndef ANDROID_HARDWARE_BROADCASTRADIO_COMMON_WORKERTHREAD_H
17#define ANDROID_HARDWARE_BROADCASTRADIO_COMMON_WORKERTHREAD_H
18
19#include <chrono>
20#include <queue>
21#include <thread>
22
23namespace android {
24
25class WorkerThread {
26 public:
27 WorkerThread();
28 virtual ~WorkerThread();
29
30 void schedule(std::function<void()> task, std::chrono::milliseconds delay);
31 void cancelAll();
32
33 private:
34 struct Task {
35 std::chrono::time_point<std::chrono::steady_clock> when;
36 std::function<void()> what;
37 };
38 friend bool operator<(const Task& lhs, const Task& rhs);
39
40 std::atomic<bool> mIsTerminating;
41 std::mutex mMut;
42 std::condition_variable mCond;
43 std::thread mThread;
44 std::priority_queue<Task> mTasks;
45
46 void threadLoop();
47};
48
49} // namespace android
50
51#endif // ANDROID_HARDWARE_BROADCASTRADIO_COMMON_WORKERTHREAD_H