File: initstatx.cxx

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/*
 * Copyright (C) by Argonne National Laboratory
 *     See COPYRIGHT in top-level directory
 */

#include "mpi.h"
#include "mpitestconf.h"
#ifdef HAVE_IOSTREAM
// Not all C++ compilers have iostream instead of iostream.h
#include <iostream>
#ifdef HAVE_NAMESPACE_STD
// Those that do often need the std namespace; otherwise, a bare "cout"
// is likely to fail to compile
using namespace std;
#endif
#else
#include <iostream.h>
#endif
#include "mpitestcxx.h"

int main(int argc, char *argv[])
{
    int errs = 0;
    bool flag;
    int provided, claimed;

    provided = MPI::Init_thread(MPI::THREAD_MULTIPLE);

    flag = MPI::Is_thread_main();
    if (!flag) {
        errs++;
        cout << "This thread call init_thread but Is_thread_main gave false\n";
    }
    claimed = MPI::Query_thread();
    if (claimed != provided) {
        errs++;
        cout << "Query thread gave thread level " << claimed <<
            " but Init_thread gave " << provided << "\n";
    }

    MTest_Finalize(errs);
    return 0;
}