if (file == NULL) {
file = SD_task_create_comm_e2e(A_dax__uses_file, NULL, size);
xbt_dict_set(files, A_dax__uses_file, file, NULL);
if (file == NULL) {
file = SD_task_create_comm_e2e(A_dax__uses_file, NULL, size);
xbt_dict_set(files, A_dax__uses_file, file, NULL);