45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
#ifndef PIP_TESTS_EXECUTOR_H
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#define PIP_TESTS_EXECUTOR_H
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#include "piblockingdequeue.h"
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/**
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* @brief Thread pools address two different problems: they usually provide improved performance when executing large
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* numbers of asynchronous tasks, due to reduced per-task invocation overhead, and they provide a means of bounding and
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* managing the resources, including threads, consumed when executing a collection of tasks.
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*/
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class PIThreadPoolExecutor {
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public:
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explicit PIThreadPoolExecutor(size_t corePoolSize = 1, PIBlockingDequeue<std::function<void()> >* taskQueue_ = new PIBlockingDequeue<std::function<void()> >());
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virtual ~PIThreadPoolExecutor();
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/**
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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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*/
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void execute(const std::function<void()>& runnable);
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void shutdownNow();
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/**
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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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*/
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void shutdown();
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volatile bool isShutdown() const;
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bool awaitTermination(int timeoutMs);
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private:
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volatile bool isShutdown_;
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PIBlockingDequeue<std::function<void()> >* taskQueue;
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PIVector<PIThread*> threadPool;
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};
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#endif //PIP_TESTS_EXECUTOR_H
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