+ // Are we waiting on a request meant for non blocking collectives ?
+ // If so, wait for all the subrequests.
+ if ((*request)->nbc_requests_size_>0){
+ ret = waitall((*request)->nbc_requests_size_, (*request)->nbc_requests_, MPI_STATUSES_IGNORE);
+ for (int i = 0; i < (*request)->nbc_requests_size_; i++) {
+ if((*request)->buf_!=nullptr && (*request)->nbc_requests_[i]!=MPI_REQUEST_NULL){//reduce case
+ void * buf=(*request)->nbc_requests_[i]->buf_;
+ if((*request)->old_type_->flags() & DT_FLAG_DERIVED)
+ buf=(*request)->nbc_requests_[i]->old_buf_;
+ if((*request)->nbc_requests_[i]->flags_ & MPI_REQ_RECV ){
+ if((*request)->op_!=MPI_OP_NULL){
+ int count=(*request)->size_/ (*request)->old_type_->size();
+ (*request)->op_->apply(buf, (*request)->buf_, &count, (*request)->old_type_);
+ }
+ smpi_free_tmp_buffer(static_cast<unsigned char*>(buf));
+ }
+ }
+ if((*request)->nbc_requests_[i]!=MPI_REQUEST_NULL)
+ Request::unref(&((*request)->nbc_requests_[i]));
+ }
+ delete[] (*request)->nbc_requests_;
+ (*request)->nbc_requests_size_=0;
+ unref(request);
+ (*request)=MPI_REQUEST_NULL;
+ return ret;
+ }
+