petsc-3.13.6 2020-09-29
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PetscViewerBinaryGetMPIIOOffset

 Gets the current global offset that should be passed to MPI_File_set_view() or MPI_File_{write|read}_at[_all]()

Synopsis

#include "petscviewer.h"   
PetscErrorCode PetscViewerBinaryGetMPIIOOffset(PetscViewer viewer,MPI_Offset *off)
Not Collective

Input Parameter

viewer -PetscViewer context, obtained from PetscViewerBinaryOpen()

Output Parameter

off -the current global offset

Fortran Note

This routine is not supported in Fortran.

Use PetscViewerBinaryAddMPIIOOffset() to increase this value after you have written a view.

See Also

PetscViewerBinaryOpen(), PetscViewerBinaryGetInfoPointer(), PetscViewerBinaryGetUseMPIIO(), PetscViewerBinarySetUseMPIIO(), PetscViewerBinaryAddMPIIOOffset()

Level

advanced

Location

src/sys/classes/viewer/impls/binary/binv.c
Index of all Viewer routines
Table of Contents for all manual pages
Index of all manual pages