FunctorTask.h

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#ifndef FWCore_Concurrency_FunctorTask_h
#define FWCore_Concurrency_FunctorTask_h
// -*- C++ -*-
//
// Package:     Concurrency
// Class  :     FunctorTask
//
//
// Original Author:  Chris Jones
//         Created:  Thu Feb 21 13:46:31 CST 2013
// $Id$
//
 
// system include files
#include <atomic>
#include <exception>
#include <memory>
#include "tbb/task.h"
 
// user include files
 
// forward declarations
 
namespace edm {
  template <typename F>
  class FunctorTask : public tbb::task {
  public:
    explicit FunctorTask(F f) : func_(std::move(f)) {}
 
    task* execute() override {
      func_();
      return nullptr;
    };
 
  private:
    F func_;
  };
 
  template <typename ALLOC, typename F>
  FunctorTask<F>* make_functor_task(ALLOC&& iAlloc, F f) {
    return new (iAlloc) FunctorTask<F>(std::move(f));
  }
}  // namespace edm
 
#endif