+++ /dev/null
-/* -*- Mode: C; -*- */
-/* Creator: Bronis R. de Supinski (bronis@llnl.gov) Tue Aug 12 2003 */
-
-#ifndef lint
-static char *rcsid =
- "$Header: /usr/gapps/asde/cvs-vault/umpire/tests/comm-bcast-deadlock.c,v 1.1 2003/09/02 15:57:49 bronis Exp $";
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include "mpi.h"
-
-#define buf_size 128
-
-int
-main (int argc, char **argv)
-{
- int nprocs = -1;
- int rank = -1;
- MPI_Comm comm = MPI_COMM_WORLD;
- char processor_name[128];
- int namelen = 128;
- MPI_Comm inverted_comm;
- int bcast_rank;
-
- /* init */
- MPI_Init (&argc, &argv);
- MPI_Comm_size (comm, &nprocs);
- MPI_Comm_rank (comm, &rank);
- MPI_Get_processor_name (processor_name, &namelen);
- printf ("(%d) is alive on %s\n", rank, processor_name);
- fflush (stdout);
-
- MPI_Barrier (MPI_COMM_WORLD);
-
- if (nprocs != 3)
- {
- printf ("Incorrect number of tasks; exactly 3 required\n");
- }
- else {
- /* create inverted communicator... */
- MPI_Comm_split (comm, 0, nprocs - rank, &inverted_comm);
-
- if (rank == 1) {
- MPI_Bcast (&rank, 1, MPI_INT, 1, inverted_comm);
- MPI_Bcast (&bcast_rank, 1, MPI_INT, 2, comm);
- }
- else if (rank == 2) {
- MPI_Bcast (&rank, 1, MPI_INT, 2, comm);
- MPI_Bcast (&bcast_rank, 1, MPI_INT, 1, inverted_comm);
- }
- else {
- MPI_Bcast (&bcast_rank, 1, MPI_INT, 2, comm);
- MPI_Bcast (&bcast_rank, 1, MPI_INT, 1, inverted_comm);
- }
- }
-
- MPI_Barrier (comm);
-
- printf ("(%d) Finished normally\n", rank);
-
- MPI_Finalize ();
-}
-
-/* EOF */