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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
// Class Description:
// Abstract base class for creating a task queue used by
// ThreadPool
// ---------------------------------------------------------------
// Author: Jonathan Madsen
// ---------------------------------------------------------------
#include "PTL/VUserTaskQueue.hh"
#include "PTL/TaskRunManager.hh"
using namespace PTL;
//======================================================================================//
VUserTaskQueue::VUserTaskQueue(intmax_t nworkers)
: m_workers(nworkers)
{
if(m_workers < 0)
{
TaskRunManager* rm = TaskRunManager::GetMasterRunManager();
m_workers = (rm) ? rm->GetNumberOfThreads() + 1 // number of threads + 1
: (2 * std::thread::hardware_concurrency()) + 1;
// hyperthreads + 1
}
}
//======================================================================================//
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