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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "mpi.h"
#include <stdio.h>
#include "mpitest.h"
/*
* This program tests the allocation (and deallocation) of contexts.
*
*/
int main(int argc, char **argv)
{
int errs = 0;
int i, j, err;
MPI_Comm newcomm1, newcomm2[200];
MTest_Init(&argc, &argv);
/* Get a separate communicator to duplicate */
MPI_Comm_dup(MPI_COMM_WORLD, &newcomm1);
MPI_Comm_set_errhandler(newcomm1, MPI_ERRORS_RETURN);
/* Allocate many communicators in batches, then free them */
for (i = 0; i < 1000; i++) {
for (j = 0; j < 200; j++) {
err = MPI_Comm_dup(newcomm1, &newcomm2[j]);
if (err) {
errs++;
if (errs < 10) {
fprintf(stderr, "Failed to duplicate communicator for (%d,%d)\n", i, j);
MTestPrintError(err);
}
}
}
for (j = 0; j < 200; j++) {
err = MPI_Comm_free(&newcomm2[j]);
if (err) {
errs++;
if (errs < 10) {
fprintf(stderr, "Failed to free %d,%d\n", i, j);
MTestPrintError(err);
}
}
}
}
err = MPI_Comm_free(&newcomm1);
if (err) {
errs++;
fprintf(stderr, "Failed to free newcomm1\n");
MTestPrintError(err);
}
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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