+int PMPI_Comm_disconnect(MPI_Comm * comm)
+{
+ /* TODO: wait until all communication in comm are done */
+ int retval;
+
+ smpi_bench_end();
+ if (comm == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if (*comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_comm_destroy(*comm);
+ *comm = MPI_COMM_NULL;
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin();
+ return retval;
+}
+