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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::Win win = MPI::WIN_NULL;
MTest_Init();
const unsigned int rank = MPI::COMM_WORLD.Get_rank();
win = MPI::Win::Create(NULL, 0, 1, MPI::INFO_NULL, MPI_COMM_WORLD);
if (0 == rank) {
errs += testRetrieveErrhandler(MPI::COMM_WORLD);
errs += testRetrieveErrhandler(win);
}
win.Free();
MTest_Finalize(errs);
return 0;
}
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