+}
+
+unsigned int MC_request_testany_fail(smx_req_t req)
+{
+ unsigned int cursor;
+ smx_action_t action;
+
+ xbt_dynar_foreach(req->comm_testany.comms, cursor, action){
+ if(action->comm.src_proc && action->comm.dst_proc)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+int MC_request_is_visible(smx_req_t req)
+{
+ return req->call == REQ_COMM_ISEND
+ || req->call == REQ_COMM_IRECV
+ || req->call == REQ_COMM_WAIT
+ || req->call == REQ_COMM_WAITANY
+ || req->call == REQ_COMM_TEST
+ || req->call == REQ_COMM_TESTANY;
+}
+
+int MC_request_is_enabled(smx_req_t req)
+{
+ unsigned int index = 0;
+ smx_action_t act;
+
+ switch (req->call) {
+
+ case REQ_COMM_WAIT:
+ /* FIXME: check also that src and dst processes are not suspended */
+
+ /* If it has a timeout it will be always be enabled, because even if the
+ * communication is not ready, it can timeout and won't block.
+ * On the other hand if it hasn't a timeout, check if the comm is ready.*/
+ if(req->comm_wait.timeout >= 0){
+ return TRUE;
+ }else{
+ act = req->comm_wait.comm;
+ return (act->comm.src_proc && act->comm.dst_proc);
+ }
+ break;
+
+ case REQ_COMM_WAITANY:
+ /* Check if it has at least one communication ready */
+ xbt_dynar_foreach(req->comm_waitany.comms, index, act) {
+ if (act->comm.src_proc && act->comm.dst_proc){
+ return TRUE;
+ }
+ }
+ return FALSE;
+ break;
+
+ default:
+ /* The rest of the request are always enabled */
+ return TRUE;
+ }
+}
+
+int MC_request_is_enabled_by_idx(smx_req_t req, unsigned int idx)
+{
+ smx_action_t act;
+
+ switch (req->call) {
+
+ case REQ_COMM_WAIT:
+ /* FIXME: check also that src and dst processes are not suspended */
+ act = req->comm_wait.comm;
+ return (act->comm.src_proc && act->comm.dst_proc);
+ break;
+
+ case REQ_COMM_WAITANY:
+ act = xbt_dynar_get_as(req->comm_waitany.comms, idx, smx_action_t);
+ return (act->comm.src_proc && act->comm.dst_proc);
+ break;
+
+ case REQ_COMM_TESTANY:
+ act = xbt_dynar_get_as(req->comm_testany.comms, idx, smx_action_t);
+ return (act->comm.src_proc && act->comm.dst_proc);
+ break;
+
+ default:
+ return TRUE;
+ }
+}
+
+int MC_process_is_enabled(smx_process_t process)
+{
+ if (process->request.call != REQ_NO_REQ && MC_request_is_enabled(&process->request))
+ return TRUE;
+
+ return FALSE;
+}