diff options
| -rw-r--r-- | tools/lib/h5tools.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/tools/lib/h5tools.c b/tools/lib/h5tools.c index ca21ccd..19e946e 100644 --- a/tools/lib/h5tools.c +++ b/tools/lib/h5tools.c @@ -584,9 +584,17 @@ h5tools_set_fapl_vfd(hid_t fapl_id, h5tools_vfd_info_t *vfd_info) #endif } else if (!HDstrcmp(vfd_info->u.name, drivernames[SUBFILING_VFD_IDX])) { -#ifdef H5_HAVE_SUBFILING_VFD - if (H5Pset_fapl_subfiling(fapl_id, (const H5FD_subfiling_config_t *)vfd_info->info) < 0) - H5TOOLS_GOTO_ERROR(FAIL, "H5Pset_fapl_subfiling() failed"); +#if defined(H5_HAVE_PARALLEL) && defined(H5_HAVE_SUBFILING_VFD) + int mpi_initialized, mpi_finalized; + + /* check if MPI is available. */ + MPI_Initialized(&mpi_initialized); + MPI_Finalized(&mpi_finalized); + + if (mpi_initialized && !mpi_finalized) { + if (H5Pset_fapl_subfiling(fapl_id, (const H5FD_subfiling_config_t *)vfd_info->info) < 0) + H5TOOLS_GOTO_ERROR(FAIL, "H5Pset_fapl_subfiling() failed"); + } #else H5TOOLS_GOTO_ERROR(FAIL, "The Subfiling VFD is not enabled"); #endif |