+int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
+ int src, int dst, int tag, smpi_mpi_communicator_t comm, smpi_mpi_request_t *requestptr)
+{
+ int retval = MPI_SUCCESS;
+
+ smpi_mpi_request_t request = NULL;
+
+ // parameter checking prob belongs in smpi_mpi, but this is less repeat code
+ if (NULL == buf) {
+ retval = MPI_ERR_INTERN;
+ } else if (0 > count) {
+ retval = MPI_ERR_COUNT;
+ } else if (NULL == datatype) {
+ retval = MPI_ERR_TYPE;
+ } else if (MPI_ANY_SOURCE != src && (0 > src || comm->size <= src)) {
+ retval = MPI_ERR_RANK;
+ } else if (0 > dst || comm->size <= dst) {
+ retval = MPI_ERR_RANK;
+ } else if (MPI_ANY_TAG != tag && 0 > tag) {
+ retval = MPI_ERR_TAG;
+ } else if (NULL == comm) {
+ retval = MPI_ERR_COMM;
+ } else if (NULL == requestptr) {
+ retval = MPI_ERR_ARG;
+ } else {
+ request = xbt_mallocator_get(smpi_global->request_mallocator);
+ request->comm = comm;
+ request->src = src;
+ request->dst = dst;
+ request->tag = tag;
+ request->buf = buf;
+ request->datatype = datatype;
+ request->count = count;
+
+ *requestptr = request;
+ }
+ return retval;
+}
+