17   PetscFileMode filemode;            /* read/write/append mode */  member
56   if (vbinary->filemode == FILE_MODE_READ) PetscFunctionReturn(PETSC_SUCCESS);  in PetscViewerBinarySyncMPIIO()
95       switch (vbinary->filemode) {  in PetscViewerGetSubViewer_Binary()
106 …RRQ(PETSC_COMM_SELF, PETSC_ERR_SUP, "Unsupported file mode %s", PetscFileModes[vbinary->filemode]);  in PetscViewerGetSubViewer_Binary()
1263 …PetscCheck(!viewer->setupcalled || vbinary->filemode == mode, PetscObjectComm((PetscObject)viewer)…  in PetscViewerFileSetMode_Binary()
1264   vbinary->filemode = mode;  in PetscViewerFileSetMode_Binary()
1302   *mode = vbinary->filemode;  in PetscViewerFileGetMode_Binary()
1341   switch (vbinary->filemode) {  in PetscViewerFileSetUp_BinaryMPIIO()
1354 …PetscObject)viewer), PETSC_ERR_SUP, "Unsupported file mode %s", PetscFileModes[vbinary->filemode]);  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()
1385   if (vbinary->filemode == FILE_MODE_WRITE) {  in PetscViewerFileSetUp_BinarySTDIO()
1397 …if (vbinary->filemode == FILE_MODE_READ) { /* possibly get the file from remote site or compressed…  in PetscViewerFileSetUp_BinarySTDIO()
1405     PetscFileMode mode = vbinary->filemode;  in PetscViewerFileSetUp_BinarySTDIO()
1426   if (!vbinary->skipinfo && (vbinary->filemode == FILE_MODE_READ || rank == 0)) {  in PetscViewerFileSetUp_BinaryInfo()
1435     if (vbinary->filemode == FILE_MODE_READ) {  in PetscViewerFileSetUp_BinaryInfo()
1440       const char *omode  = (vbinary->filemode == FILE_MODE_APPEND) ? "a" : "w";  in PetscViewerFileSetUp_BinaryInfo()
1456 …PetscCheck(vbinary->filemode != (PetscFileMode)-1, PETSC_COMM_SELF, PETSC_ERR_ORDER, "Must call Pe…  in PetscViewerSetUp_Binary()
1477 …const char         *fmode   = vbinary->filemode != (PetscFileMode)-1 ? PetscFileModes[vbinary->fil…  in PetscViewerView_Binary()
1547   vbinary->filemode        = FILE_MODE_UNDEFINED;  in PetscViewerCreate_Binary()