TaskEnumerator.h

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// This file is part of the SWIFT2 project. For conditions of distribution and
// use, please see the copyright notice at www.peano-framework.org
#pragma once
 
#include "tarch/Enumerator.h"
#include "tarch/la/Vector.h"
#include "peano4/utils/Globals.h"
 
#include "tarch/multicore/BooleanSemaphore.h"
#include "tarch/multicore/MultiReadSingleWriteSemaphore.h"
 
#include <map>
 
namespace swift2 {
  class TaskEnumerator;
}
 
 
class swift2::TaskEnumerator {
  public:
    TaskEnumerator() = default;
 
    void reset();
 
    int getNumber();
 
    void releaseNumber( int value );
 
    int size() const;
 
    std::string toString() const;
 
    static void lockResources( const tarch::la::Vector<TwoPowerD,int>& numbers );
 
    static void unlockResources( const tarch::la::Vector<TwoPowerD,int>& numbers );
 
  private:
    static tarch::Enumerator _globalEnumerator;
 
    static std::map< int, tarch::multicore::BooleanSemaphore* >  _resources;
 
    using ResourcesSemaphore = tarch::multicore::MultiReadSingleWriteSemaphore;
 
    static ResourcesSemaphore   _resourcesSemaphore;
 
    static void insertNumber(int number);
    static void insertNumbers(const tarch::la::Vector<TwoPowerD,int>& numbers);
};