petsc-3.3-p7 2013-05-11
PetscCommGetNewTag
Gets a unique new tag from a PETSc communicator. All processors that share the communicator MUST call this routine EXACTLY the same number of times. This tag should only be used with the current objects communicator; do NOT use it with any other MPI communicator.
Synopsis
#include "petscsys.h"
PetscErrorCode PetscCommGetNewTag(MPI_Comm comm,PetscMPIInt *tag)
Collective on comm
Input Parameter
comm -the MPI communicator
Output Parameter
tag -the new tag
See Also
PetscObjectGetNewTag(), PetscCommDuplicate()
Level:developer
Location:src/sys/objects/tagm.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages