int MC_request_depend(smx_req_t r1, smx_req_t r2)
{
- if (r1->issuer == r2->issuer)
+ if (r1->issuer == r2->issuer)
return FALSE;
- if (r1->call != r2->call)
+ if(r1->call == REQ_COMM_ISEND && r2->call == REQ_COMM_IRECV)
return FALSE;
- if (r1->call == REQ_COMM_ISEND && r2->call == REQ_COMM_ISEND
+ if(r1->call == REQ_COMM_IRECV && r2->call == REQ_COMM_ISEND)
+ return FALSE;
+
+ /* FIXME: the following rule assumes that the result of the
+ * isend/irecv call is not stored in a buffer used in the
+ * wait/test call.
+ if( (r1->call == REQ_COMM_ISEND || r1->call == REQ_COMM_IRECV)
+ && (r2->call == REQ_COMM_WAIT || r2->call == REQ_COMM_TEST))
+ return FALSE;*/
+
+ /* FIXME: the following rule assumes that the result of the
+ * isend/irecv call is not stored in a buffer used in the
+ * wait/test call.
+ if( (r2->call == REQ_COMM_ISEND || r2->call == REQ_COMM_IRECV)
+ && (r1->call == REQ_COMM_WAIT || r1->call == REQ_COMM_TEST))
+ return FALSE;*/
+
+ if(r1->call == REQ_COMM_ISEND && r2->call == REQ_COMM_ISEND
&& r1->comm_isend.rdv != r2->comm_isend.rdv)
return FALSE;
- if (r1->call == REQ_COMM_IRECV && r2->call == REQ_COMM_IRECV
+ if(r1->call == REQ_COMM_IRECV && r2->call == REQ_COMM_IRECV
&& r1->comm_irecv.rdv != r2->comm_irecv.rdv)
return FALSE;
- if (r1->call == REQ_COMM_WAIT && r2->call == REQ_COMM_WAIT
- && r1->comm_wait.comm == r2->comm_wait.comm)
+ if(r1->call == REQ_COMM_WAIT && r2->call == REQ_COMM_WAIT
+ && r1->comm_wait.comm->comm.src_buff == r2->comm_wait.comm->comm.src_buff
+ && r1->comm_wait.comm->comm.dst_buff == r2->comm_wait.comm->comm.dst_buff)
return FALSE;
if (r1->call == REQ_COMM_WAIT && r2->call == REQ_COMM_WAIT
&& r2->comm_wait.comm->comm.dst_buff != r1->comm_wait.comm->comm.src_buff)
return FALSE;
+ if(r1->call == REQ_COMM_TEST &&
+ (r1->comm_test.comm == NULL
+ || r1->comm_test.comm->comm.src_buff == NULL
+ || r1->comm_test.comm->comm.dst_buff == NULL))
+ return FALSE;
+
+ if(r2->call == REQ_COMM_TEST &&
+ (r2->comm_test.comm == NULL
+ || r2->comm_test.comm->comm.src_buff == NULL
+ || r2->comm_test.comm->comm.dst_buff == NULL))
+ return FALSE;
+
+ if(r1->call == REQ_COMM_TEST && r2->call == REQ_COMM_WAIT
+ && r1->comm_test.comm->comm.src_buff == r2->comm_wait.comm->comm.src_buff
+ && r1->comm_test.comm->comm.dst_buff == r2->comm_wait.comm->comm.dst_buff)
+ return FALSE;
+
+ if(r1->call == REQ_COMM_WAIT && r2->call == REQ_COMM_TEST
+ && r1->comm_wait.comm->comm.src_buff == r2->comm_test.comm->comm.src_buff
+ && r1->comm_wait.comm->comm.dst_buff == r2->comm_test.comm->comm.dst_buff)
+ return FALSE;
+
return TRUE;
}
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;
+
+ 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;
+}