/*D
   MPI_Barrier_init - Creates a persistent request for barrier

Synopsis:
.vb
int MPI_Barrier_init(MPI_Comm comm, MPI_Info info, MPI_Request *request)
.ve

Input Parameters:
+ comm - communicator (handle)
- info - info argument (handle)

Output Parameters:
. request - communication request (handle)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_ARG
.N MPI_ERR_COMM
.N MPI_ERR_INFO
.N MPI_ERR_OTHER

D*/

