1 files changed, 65 insertions, 0 deletions
diff --git a/runtime/neurun/core/src/exec/ThreadPool.cc b/runtime/neurun/core/src/exec/ThreadPool.cc
new file mode 100644
index 000000000..d8c706e30
--- /dev/null
+++ b/runtime/neurun/core/src/exec/ThreadPool.cc
@@ -0,0 +1,65 @@
+/*
+ * 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 neurun
+{
+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 neurun