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easy_profiler/profiler_gui/thread_pool_task.h
Victor Zarubkin c74744fae4 [ui] added workaround for Qt memory leak on Linux when using multiple threads;
[ui] added median duration into tree stats;
[ui] added max rows count for "Call-stack" tree mode;
2019-10-24 19:21:31 +03:00

122 lines
4.3 KiB
C++

/************************************************************************
* file name : thread_pool_task.h
* ----------------- :
* creation time : 2018/01/28
* author : Victor Zarubkin
* email : v.s.zarubkin@gmail.com
* ----------------- :
* description : The file contains declaration of ThreadPoolTask.
* ----------------- :
* license : Lightweight profiler library for c++
* : Copyright(C) 2016-2019 Sergey Yagovtsev, Victor Zarubkin
* :
* : Licensed under either of
* : * MIT license (LICENSE.MIT or http://opensource.org/licenses/MIT)
* : * Apache License, Version 2.0, (LICENSE.APACHE or http://www.apache.org/licenses/LICENSE-2.0)
* : at your option.
* :
* : The MIT License
* :
* : Permission is hereby granted, free of charge, to any person obtaining a copy
* : of this software and associated documentation files (the "Software"), to deal
* : in the Software without restriction, including without limitation the rights
* : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* : of the Software, and to permit persons to whom the Software is furnished
* : to do so, subject to the following conditions:
* :
* : The above copyright notice and this permission notice shall be included in all
* : copies or substantial portions of the Software.
* :
* : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* : INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* : PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* : LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* : TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* : USE OR OTHER DEALINGS IN THE SOFTWARE.
* :
* : 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.
************************************************************************/
#ifndef EASY_PROFILER_THREAD_POOL_TASK_H
#define EASY_PROFILER_THREAD_POOL_TASK_H
#include <easy/details/easy_compiler_support.h>
#include <functional>
#include <atomic>
#include <mutex>
#include <QObject>
enum class TaskStatus : int8_t
{
Enqueued,
Processing,
Finished,
};
class ThreadPoolTaskSignals : public QObject
{
Q_OBJECT;
public:
ThreadPoolTaskSignals() : QObject() {}
signals:
void finished();
};
class ThreadPoolTask EASY_FINAL
{
public:
using Func = std::function<void()>;
private:
friend class ThreadPool;
ThreadPoolTaskSignals m_signals;
Func m_func;
std::atomic_bool* m_interrupt;
std::mutex m_mutex;
std::atomic<int8_t> m_status;
const bool m_creatingQtObjects;
public:
ThreadPoolTask(const ThreadPoolTask&) = delete;
ThreadPoolTask(ThreadPoolTask&&) = delete;
explicit ThreadPoolTask(bool creatingQtObjects = false);
~ThreadPoolTask();
void enqueue(Func&& func, std::atomic_bool& interruptFlag);
void dequeue();
ThreadPoolTaskSignals& events();
private:
bool creatingQtObjects() const;
void operator() ();
TaskStatus status() const;
void setStatus(TaskStatus status);
};
#endif //EASY_PROFILER_THREAD_POOL_TASK_H