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