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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2014 Benoit Steiner <benoit.steiner.goog@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef EIGEN_CXX11_THREADPOOL_THREAD_POOL_INTERFACE_H
#define EIGEN_CXX11_THREADPOOL_THREAD_POOL_INTERFACE_H
namespace Eigen {
// This defines an interface that ThreadPoolDevice can take to use
// custom thread pools underneath.
class ThreadPoolInterface {
public:
virtual void Schedule(std::function<void()> fn) = 0;
// Returns the number of threads in the pool.
virtual int NumThreads() const = 0;
// Returns a logical thread index between 0 and NumThreads() - 1 if called
// from one of the threads in the pool. Returns -1 otherwise.
virtual int CurrentThreadId() const = 0;
virtual ~ThreadPoolInterface() {}
};
} // namespace Eigen
#endif // EIGEN_CXX11_THREADPOOL_THREAD_POOL_INTERFACE_H
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