Import Geant4 10.7.0.beta source tree

source/externals/ptl/src/ThreadData.cc

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+//
+// MIT License
+// Copyright (c) 2020 Jonathan R. Madsen
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED
+// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// ---------------------------------------------------------------
+//  Tasking class implementation
+//
+
+#include "PTL/ThreadData.hh"
+#include "PTL/ThreadPool.hh"
+#include "PTL/Threading.hh"
+#include "PTL/VUserTaskQueue.hh"
+
+#include <iostream>
+
+using namespace PTL;
+
+//======================================================================================//
+
+ThreadData*&
+ThreadData::GetInstance()
+{
+    static thread_local ThreadData* _instance = nullptr;
+    return _instance;
+}
+
+//======================================================================================//
+
+ThreadData::ThreadData(ThreadPool* tp)
+: is_master(tp->is_master())
+, within_task(false)
+, task_depth(0)
+, thread_pool(tp)
+, current_queue(tp->get_queue())
+, queue_stack({ current_queue })
+{}
+
+//======================================================================================//
+
+void
+ThreadData::update()
+{
+    current_queue = thread_pool->get_queue();
+    queue_stack.push_back(current_queue);
+}
+
+//======================================================================================//
+
+ThreadData::~ThreadData() {}
+
+//======================================================================================//