cartographer: work_queue.h Source File

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00001 /*
00002  * Copyright 2018 The Cartographer Authors
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #ifndef CARTOGRAPHER_MAPPING_INTERNAL_WORK_QUEUE_H
00018 #define CARTOGRAPHER_MAPPING_INTERNAL_WORK_QUEUE_H
00019 
00020 #include <chrono>
00021 #include <deque>
00022 #include <functional>
00023 
00024 namespace cartographer {
00025 namespace mapping {
00026 
00027 struct WorkItem {
00028   enum class Result {
00029     kDoNotRunOptimization,
00030     kRunOptimization,
00031   };
00032 
00033   std::chrono::steady_clock::time_point time;
00034   std::function<Result()> task;
00035 };
00036 
00037 using WorkQueue = std::deque<WorkItem>;
00038 
00039 }  // namespace mapping
00040 }  // namespace cartographer
00041 
00042 #endif  // CARTOGRAPHER_MAPPING_INTERNAL_WORK_QUEUE_H