PlayaErrorPolling.hpp

// @HEADER
// @HEADER

#ifndef Playa_ERRORPOLLING_H
#define Playa_ERRORPOLLING_H

#include "Teuchos_ConfigDefs.hpp"
#include "Teuchos_Assert.hpp"


namespace Playa
{
  class MPIComm;

  class TEUCHOS_LIB_DLL_EXPORT ErrorPolling
  {
  public:
    static void reportFailure(const MPIComm& comm);
    
    static bool pollForFailures(const MPIComm& comm);
    
    static void enable() {isActive()=true;}

    static void disable() {isActive()=false;}

  private:
    static bool& isActive() {static bool rtn = true; return rtn;}
  };

#define TEUCHOS_POLL_FOR_FAILURES(comm)                                  \
  TEUCHOS_TEST_FOR_EXCEPTION(Playa::ErrorPolling::pollForFailures(comm), \
                     std::runtime_error,                                     \
                     "off-processor error detected by proc=" << (comm).getRank());
}


#endif