PetscCommDestroy

Frees communicator obtained with PetscCommDuplicate().

Synopsis

#include "petscsys.h"   
PetscErrorCode PetscCommDestroy(MPI_Comm *comm)

Collective

Input Parameter

• comm - the communicator to free

Notes

Sets comm to NULL

The communicator is reference counted so it is only truly removed from the system when its reference count drops to zero

See Also

PetscCommDuplicate()

Level

developer

Location

src/sys/objects/tagm.c

Examples

src/ksp/ksp/tutorials/ex73.c
src/dm/impls/plex/tests/ex69.c
src/ksp/ksp/tests/ex37.c

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