petsc-3.14.5 2021-03-03
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# PetscObjectGetReference

Gets the current reference count for any PETSc object.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode  PetscObjectGetReference(PetscObject obj,PetscInt *cnt)

Not Collective

### Input Parameter

| obj | - the PETSc object; this must be cast with (PetscObject), for example, PetscObjectGetReference((PetscObject)mat,&cnt);

### Output Parameter

| cnt | - the reference count

### See Also

PetscObjectCompose(), PetscObjectDereference(), PetscObjectReference()

### Level

advanced

### Location

src/sys/objects/inherit.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages