diff options
| -rw-r--r-- | testpar/t_mpi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/testpar/t_mpi.c b/testpar/t_mpi.c index 0ebaca0..dd94fcc 100644 --- a/testpar/t_mpi.c +++ b/testpar/t_mpi.c @@ -248,6 +248,8 @@ test_mpio_gb_file(char *filename) /* open a new file. Remove it first in case it exists. */ if (MAINPROCESS) remove(filename); + MPI_Barrier(MPI_COMM_WORLD); /* prevent racing condition */ + mrc = MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_CREATE|MPI_MODE_RDWR, info, &fh); VRFY((mrc==MPI_SUCCESS), ""); |