Files
pip/lib/main/thread/pithreadpoolexecutor.h
Ivan Pelipenko c7ac4fa551 Refactored CMakeLists.txt
* new pip_module() macro
 * fixed exports
 * automatic gather all exports and pass them to Doxygen and PICodeParser
2020-08-01 21:29:32 +03:00

64 lines
2.0 KiB
C++

/*
PIP - Platform Independent Primitives
Stephan Fomenko
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PITHREADPOOLEXECUTOR_H
#define PITHREADPOOLEXECUTOR_H
#include "piblockingdequeue.h"
#include <atomic>
class PIP_EXPORT PIThreadPoolExecutor {
public:
explicit PIThreadPoolExecutor(size_t corePoolSize = -1, PIBlockingDequeue<std::function<void()> > * taskQueue_ = 0);
virtual ~PIThreadPoolExecutor();
/**
* @brief Executes the given task sometime in the future. The task execute in an existing pooled thread. If the task
* cannot be submitted for execution, either because this executor has been shutdown or because its capacity has been
* reached.
*
* @param runnable not empty function for thread pool execution
*/
void execute(const std::function<void()> & runnable);
void shutdownNow();
/**
* @brief Initiates an orderly shutdown in which previously submitted tasks are executed, but no new tasks will be
* accepted. Invocation has no additional effect if already shut down. This method does not wait for previously
* submitted tasks to complete execution. Use awaitTermination to do that.
*/
void shutdown();
bool isShutdown() const;
bool awaitTermination(int timeoutMs);
private:
std::atomic_bool isShutdown_;
PIBlockingDequeue<std::function<void()> > * taskQueue;
PIVector<PIThread*> threadPool;
bool queue_own;
};
#endif // PITHREADPOOLEXECUTOR_H