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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under 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.
*/
#include "ThreadPool.h"
#include <cassert>
namespace onert
{
namespace exec
{
ThreadPool::ThreadPool(uint32_t num_threads)
{
assert(num_threads >= 1);
for (uint32_t i = 0; i < num_threads; i++)
{
_threads.emplace_back(std::ref(_worker));
}
}
ThreadPool::~ThreadPool()
{
if (!_threads.empty())
{
_worker.terminate();
join();
}
}
void ThreadPool::enqueue(std::unique_ptr<IFunction> &&fn) { _worker.enqueue(std::move(fn)); }
uint32_t ThreadPool::numJobsInQueue() { return _worker.numJobsInQueue(); }
void ThreadPool::join()
{
for (auto &thread : _threads)
{
thread.join();
}
_threads.clear();
}
void ThreadPool::finish()
{
_worker.finish();
join();
}
} // namespace exec
} // namespace onert
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