PETSc version 3.17.5

PetscObjectSAWsBlock

Blocks the object if PetscObjectSAWsSetBlock() has been called

#include "petscsys.h"   
PetscErrorCode  PetscObjectSAWsBlock(PetscObject obj)

Collective on PetscObject

obj

- the Petsc variable Thus must be cast with a (PetscObject), for example, PetscObjectSetName((PetscObject)mat,name);

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