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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
* (C) 2008 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
/*
errgetx.cxx
Tests whether a Get_errhandler following a Set_errhandler retrieves the same
value as was set.
*/
#include "mpitestconf.h"
#include <mpi.h>
#include <iostream>
#include "mpitestcxx.h"
/* #define VERBOSE */
template <class T>
void efn(T &obj, int *, ...)
{
}
/* returns number of errors found */
template <class T>
int testRetrieveErrhandler(T &obj)
{
int errs = 0;
MPI::Errhandler retrieved_handler;
int errorClass = MPI::Add_error_class();
int errorCode = MPI::Add_error_code(errorClass);
std::string errorString = "Internal-use Error Code";
MPI::Add_error_string(errorCode, errorString.c_str());
MPI::Errhandler custom_handler = T::Create_errhandler(&efn);
obj.Set_errhandler(MPI::ERRORS_THROW_EXCEPTIONS);
retrieved_handler = obj.Get_errhandler();
if (retrieved_handler != MPI::ERRORS_THROW_EXCEPTIONS) errs++;
obj.Set_errhandler(MPI::ERRORS_RETURN);
retrieved_handler = obj.Get_errhandler();
if (retrieved_handler != MPI::ERRORS_RETURN) errs++;
obj.Set_errhandler(MPI::ERRORS_ARE_FATAL);
retrieved_handler = obj.Get_errhandler();
if (retrieved_handler != MPI::ERRORS_ARE_FATAL) errs++;
obj.Set_errhandler(custom_handler);
retrieved_handler = obj.Get_errhandler();
if (retrieved_handler != custom_handler) errs++;
retrieved_handler.Free();
custom_handler.Free();
return errs;
}
int main( int argc, char *argv[] )
{
int errs = 0;
MPI::File file = MPI::FILE_NULL;
MTest_Init( );
const unsigned int rank = MPI::COMM_WORLD.Get_rank();
file = MPI::File::Open(MPI::COMM_WORLD, "testfile",
MPI::MODE_WRONLY | MPI::MODE_CREATE | MPI::MODE_DELETE_ON_CLOSE,
MPI::INFO_NULL);
if (0 == rank) {
errs += testRetrieveErrhandler(MPI::COMM_WORLD);
errs += testRetrieveErrhandler(file);
}
MTest_Finalize( errs );
file.Close();
MPI::Finalize();
return 0;
}
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