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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include <stdio.h>
#include <string.h>
#include "mpitest.h"
/* Check that user-define error codes and classes are correctly handled by
the attribute copy routines.
Note that this behavior is not required by the MPI specification
but is a quality of implementation issues - users will expect
to be able to control the class and code that comes back from
MPI_Comm_dup (and MPI_Comm_free) in this case.
*/
void abortMsg(const char *, int);
int copybomb_fn(MPI_Comm, int, void *, void *, void *, int *);
static int myErrClass, myErrCode;
static int nCall = 0;
void abortMsg(const char *str, int code)
{
char msg[MPI_MAX_ERROR_STRING];
int class, resultLen;
MPI_Error_class(code, &class);
MPI_Error_string(code, msg, &resultLen);
fprintf(stderr, "%s: errcode = %d, class = %d, msg = %s\n", str, code, class, msg);
MPI_Abort(MPI_COMM_WORLD, code);
}
int copybomb_fn(MPI_Comm oldcomm, int keyval, void *extra_state,
void *attribute_val_in, void *attribute_val_out, int *flag)
{
int err;
/* We always fail to copy */
*flag = 1;
/* Return either the class (as a code) or the code */
if (nCall == 0)
err = myErrClass;
else
err = myErrCode;
nCall++;
return err;
}
int main(int argc, char *argv[])
{
MPI_Comm dupWorld, dup2;
int myRank, key, err, errs = 0;
MTest_Init(&argc, &argv);
MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
/* Create my error class and code */
MPI_Add_error_class(&myErrClass);
MPI_Add_error_code(myErrClass, &myErrCode);
MPI_Add_error_string(myErrClass, (char *) "My error class");
MPI_Add_error_string(myErrCode, (char *) "My error code");
MPI_Comm_dup(MPI_COMM_WORLD, &dupWorld);
MPI_Comm_rank(MPI_COMM_WORLD, &myRank);
err = MPI_Comm_create_keyval(copybomb_fn, MPI_COMM_NULL_DELETE_FN, &key, NULL);
if (err) {
errs++;
abortMsg("Comm_create_keyval", err);
}
err = MPI_Comm_set_attr(dupWorld, key, &myRank);
if (err) {
errs++;
abortMsg("Comm_set_attr", err);
}
err = MPI_Comm_dup(dupWorld, &dup2);
if (err == MPI_SUCCESS) {
errs++;
fprintf(stderr, "Comm_dup did not fail\n");
MPI_Comm_free(&dup2);
} else {
int eclass, resultLen;
char msg[MPI_MAX_ERROR_STRING];
/* Check for expected error class */
MPI_Error_class(err, &eclass);
if (eclass != myErrClass) {
errs++;
fprintf(stderr, "Unexpected error class = %d, expected user-defined class %d\n", eclass,
myErrClass);
} else {
MPI_Error_string(err, msg, &resultLen);
if (strcmp(msg, "My error class") != 0) {
errs++;
fprintf(stderr, "Unexpected error string %s\n", msg);
}
}
}
err = MPI_Comm_dup(dupWorld, &dup2);
if (err == MPI_SUCCESS) {
errs++;
fprintf(stderr, "Comm_dup did not fail (2)\n");
MPI_Comm_free(&dup2);
} else {
int eclass, resultLen;
char msg[MPI_MAX_ERROR_STRING];
/* Check for expected error class */
MPI_Error_class(err, &eclass);
if (eclass != myErrClass) {
errs++;
fprintf(stderr, "Unexpected error class = %d, expected user-defined class %d\n", eclass,
myErrClass);
}
if (err != myErrCode) {
errs++;
fprintf(stderr, "Unexpected error code = %d, expected user-defined code %d\n", err,
myErrCode);
} else {
MPI_Error_string(err, msg, &resultLen);
if (strcmp(msg, "My error code") != 0) {
errs++;
fprintf(stderr, "Unexpected error string %s, expected user-defined error string\n",
msg);
}
}
}
MPI_Comm_free(&dupWorld);
MPI_Comm_free_keyval(&key);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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