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Only use Subfiling VFD in tools if MPI was initialized previously (#1998)

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This commit is contained in:
jhendersonHDF
2022-08-11 15:52:25 -05:00
committed by GitHub
parent ec5100bf26
commit b745b54a09
1 changed files with 11 additions and 3 deletions
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tools/lib/h5tools.c
+11 -3
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@@ -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