12   MPI_File   mfdes; /* ignored unless using MPI IO */  member
58   if (vbinary->mfdes != MPI_FILE_NULL) {  in PetscViewerBinarySyncMPIIO()
60     PetscCallMPI(MPI_File_sync(vbinary->mfdes));  in PetscViewerBinarySyncMPIIO()
111     obinary->mfdes = vbinary->mfsub;  in PetscViewerGetSubViewer_Binary()
138 …PetscCheck(obinary->mfdes == vbinary->mfsub, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Subviewer not …  in PetscViewerRestoreSubViewer_Binary()
249   *fdes   = vbinary->mfdes;  in PetscViewerBinaryGetMPIIODescriptor()
755   if (vbinary->mfdes != MPI_FILE_NULL) PetscCallMPI(MPI_File_close(&vbinary->mfdes));  in PetscViewerFileClose_BinaryMPIIO()
891   MPI_File            mfdes   = vbinary->mfdes;  in PetscViewerBinaryWriteReadMPIIO()  local
902     if (rank == 0) PetscCall(MPIU_File_write_at(mfdes, vbinary->moff, data, cnt, mdtype, &status));  in PetscViewerBinaryWriteReadMPIIO()
905       PetscCall(MPIU_File_read_at(mfdes, vbinary->moff, data, cnt, mdtype, &status));  in PetscViewerBinaryWriteReadMPIIO()
1021     MPI_File    mfdes;  in PetscViewerBinaryWriteReadAll()  local
1034     PetscCall(PetscViewerBinaryGetMPIIODescriptor(viewer, &mfdes));  in PetscViewerBinaryWriteReadAll()
1038       PetscCall(MPIU_File_write_at_all(mfdes, off, data, cnt, mdtype, MPI_STATUS_IGNORE));  in PetscViewerBinaryWriteReadAll()
1040       PetscCall(MPIU_File_read_at_all(mfdes, off, data, cnt, mdtype, MPI_STATUS_IGNORE));  in PetscViewerBinaryWriteReadAll()
1356 …n(PetscObjectComm((PetscObject)viewer), vbinary->filename, amode, MPI_INFO_NULL, &vbinary->mfdes));  in PetscViewerFileSetUp_BinaryMPIIO()
1360   if (vbinary->filemode == FILE_MODE_WRITE) PetscCallMPI(MPI_File_set_size(vbinary->mfdes, 0));  in PetscViewerFileSetUp_BinaryMPIIO()
1367 …if (vbinary->filemode == FILE_MODE_APPEND) PetscCallMPI(MPI_File_get_position(vbinary->mfdes, &vbi…  in PetscViewerFileSetUp_BinaryMPIIO()
1543   vbinary->mfdes    = MPI_FILE_NULL;  in PetscViewerCreate_Binary()