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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 <stdio.h>
#include "mpitestcxx.h"
#ifdef HAVE_STRING_H
#include <string.h>
#endif
static char MTEST_Descrip[] = "Test comm_call_errhandler";
static int calls = 0;
static int errs = 0;
static MPI::Intracomm mycomm;
void eh(MPI::Comm & comm, int *err, ...)
{
if (*err != MPI_ERR_OTHER) {
errs++;
cout << "Unexpected error code\n";
}
if (comm != mycomm) {
char cname[MPI_MAX_OBJECT_NAME];
int len;
errs++;
cout << "Unexpected communicator\n";
comm.Get_name(cname, len);
cout << "Comm is " << cname << "\n";
mycomm.Get_name(cname, len);
cout << "mycomm is " << cname << "\n";
}
calls++;
return;
}
int main(int argc, char *argv[])
{
MPI::Intracomm comm;
MPI::Errhandler newerr;
int i;
int reset_handler;
MTest_Init();
comm = MPI::COMM_WORLD;
mycomm = comm;
mycomm.Set_name("dup of comm_world");
newerr = MPI::Comm::Create_errhandler(eh);
comm.Set_errhandler(newerr);
comm.Call_errhandler(MPI_ERR_OTHER);
newerr.Free();
if (calls != 1) {
errs++;
cout << "Error handler not called\n";
}
// Here we apply the test to many copies of a communicator
for (reset_handler = 0; reset_handler <= 1; ++reset_handler) {
for (i = 0; i < 1000; i++) {
MPI::Intracomm comm2;
calls = 0;
comm = MPI::COMM_WORLD.Dup();
mycomm = comm;
mycomm.Set_name("dup of comm_world");
newerr = MPI::Comm::Create_errhandler(eh);
comm.Set_errhandler(newerr);
comm.Call_errhandler(MPI_ERR_OTHER);
if (calls != 1) {
errs++;
cout << "Error handler not called\n";
}
comm2 = comm.Dup();
calls = 0;
mycomm = comm2;
mycomm.Set_name("dup of dup of comm_world");
// comm2 must inherit the error handler from comm
comm2.Call_errhandler(MPI_ERR_OTHER);
if (calls != 1) {
errs++;
cout << "Error handler not called\n";
}
if (reset_handler) {
// extra checking of the reference count handling
comm.Set_errhandler(MPI::ERRORS_THROW_EXCEPTIONS);
}
newerr.Free();
comm.Free();
comm2.Free();
}
}
MTest_Finalize(errs);
return 0;
}
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