petsc-3.10.5 2019-03-28
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# PetscObjectRegisterDestroy

Registers a PETSc object to be destroyed when PetscFinalize() is called.

### Synopsis

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

Logically Collective on PetscObject

### Input Parameter

obj -any PETSc object, for example a Vec, Mat or KSP. This must be cast with a (PetscObject), for example, PetscObjectRegisterDestroy((PetscObject)mat);

### Notes

This is used by, for example, PETSC_VIEWER_XXX_() routines to free the viewer when PETSc ends.

### See Also

PetscObjectRegisterDestroyAll()

### Level

developer

### Location

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