+void SMPI_comm_copy_buffer_callback(smx_action_t comm, void* buff, size_t buff_size)
+{
+ XBT_DEBUG("Copy the data over");
+ memcpy(comm->comm.dst_buff, buff, buff_size);
+ if (comm->comm.detached) { // if this is a detached send, the source buffer was duplicated by SMPI sender to make the original buffer available to the application ASAP
+ xbt_free(buff);
+ xbt_free(comm->comm.src_data);// inside SMPI the request is keep
+ //inside the user data and should be free
+ comm->comm.src_buff = NULL;
+ }
+}
+