[petsc-dev] adding comm argument to PetscError() and friends

[Jed Brown]

On Fri, 7 May 2010 15:02:10 -0400, Matthew Knepley <knepley at gmail.com> wrote:
> I was thinking of something like a barrier+probe+cancel (if necessary).

Well you would have to weat for MPI-3 for that, MPI_Ibarrier is not in
MPI-2.2.

Jed