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Fix H5Fflush failure in hdf5_v1 printer with MultiNest #586

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Merged
ChrisJChang merged 1 commit into from
May 5, 2026
+5 −2
Merged

Fix H5Fflush failure in hdf5_v1 printer with MultiNest #586

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7 changes: 5 additions & 2 deletions Printers/src/printers/hdf5printer/hdf5printer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1377,8 +1377,11 @@ namespace Gambit
printer_error().raise(LOCAL_INFO, errmsg.str());
}

// Tell the HDF5 library to flush everything to disk
herr_t err = H5Fflush(file_id, H5F_SCOPE_GLOBAL);
// Tell the HDF5 library to flush everything to disk.
// Auxiliary printers don't own a file handle (only the primary opens
// the HDF5 file in its constructor), so always flush via the primary's
// file_id. For the primary itself, primary_printer == this.
herr_t err = H5Fflush(primary_printer->file_id, H5F_SCOPE_GLOBAL);
if(err<0)
{
std::ostringstream errmsg;
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