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| author | jhendersonHDF <jhenderson@hdfgroup.org> | 2022-08-11 20:52:25 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-08-11 20:52:25 (GMT) |
| commit | b745b54a09c160d9012ddac3084a5831a2c8df7c (patch) | |
| tree | 26c9cefb83084183cc80a8f73770c1fd7b4943f7 | |
| parent | ec5100bf2675e67b292fbdd06708bb45f5a19746 (diff) | |
| download | hdf5-b745b54a09c160d9012ddac3084a5831a2c8df7c.zip hdf5-b745b54a09c160d9012ddac3084a5831a2c8df7c.tar.gz hdf5-b745b54a09c160d9012ddac3084a5831a2c8df7c.tar.bz2 | |
Only use Subfiling VFD in tools if MPI was initialized previously (#1998)
| -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 |