+ sg_error_t status = SG_OK;
+
+ try {
+ comm->wait_for(timeout);
+ } catch (const simgrid::TimeoutException&) {
+ status = SG_ERROR_TIMEOUT;
+ } catch (const simgrid::CancelException&) {
+ status = SG_ERROR_CANCELED;
+ } catch (const simgrid::NetworkFailureException&) {
+ status = SG_ERROR_NETWORK;
+ }
+ comm->unref();
+ return status;
+}
+
+void sg_comm_wait_all(sg_comm_t* comms, size_t count)
+{
+ std::vector<simgrid::s4u::CommPtr> s4u_comms;
+ for (unsigned int i = 0; i < count; i++)
+ s4u_comms.emplace_back(comms[i]);
+
+ simgrid::s4u::Comm::wait_all(&s4u_comms);
+ for (unsigned int i = 0; i < count; i++)
+ s4u_comms[i]->unref();
+}
+
+int sg_comm_wait_any(sg_comm_t* comms, size_t count)
+{
+ return sg_comm_wait_any_for(comms, count, -1);
+}
+
+int sg_comm_wait_any_for(sg_comm_t* comms, size_t count, double timeout)
+{
+ std::vector<simgrid::s4u::CommPtr> s4u_comms;
+ for (unsigned int i = 0; i < count; i++) {
+ s4u_comms.emplace_back(comms[i]);
+ }
+ int pos = simgrid::s4u::Comm::wait_any_for(&s4u_comms, timeout);
+ if (pos != -1)
+ s4u_comms[pos]->unref();
+ else
+ for (const auto& c : s4u_comms)
+ c->unref();
+ return pos;