2 * Copyright (C) 2015-2016 The Android Open Source Project
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.
17 #ifndef ANDROID_WORKER_H_
18 #define ANDROID_WORKER_H_
24 #include <condition_variable>
44 bool initialized() const {
49 Worker(const char *name, int priority);
53 virtual void Routine() = 0;
56 * Must be called with the lock acquired. max_nanoseconds may be negative to
57 * indicate infinite timeout, otherwise it indicates the maximum time span to
58 * wait for a signal before returning.
59 * Returns -EINTR if interrupted by exit request, or -ETIMEDOUT if timed out
61 int WaitForSignalOrExitLocked(int64_t max_nanoseconds = -1);
63 bool should_exit() const {
68 std::condition_variable cond_;
71 void InternalRoutine();
76 std::unique_ptr<std::thread> thread_;