- Reconstructed step forward. There is still some visible bug in the

imlpementation, so this version should not be considered definitive.
please give me an other day to check it.


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@840 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/scheduler.hh

@@ -28,11 +28,10 @@ namespace sgpem
 
 #include "config.h"
 
-#include "history.hh"
+#include "concrete_history.hh"
 #include "cpu_policy.hh"
 #include "ready_queue.hh"
 #include "user_interrupt_exception.hh"
-#include "malformed_policy_exception.hh"
 
 // Do not include full template definition here
 #include "singleton.hh"
@@ -68,16 +67,18 @@ namespace sgpem
     ReadyQueue*   get_ready_queue();
     /**
        Resets the simulation to the initial state.
+       Deprecated.
     */
-    void       reset_status();
+//    void       reset_status();
     /**
         Generates a new ReadyQueue representing the status of the processes
         at the simulation instant next to the current one, and extends the History by
         one instant with it.
+       Returning true if next instants will be identical to the last one added.
        
         \return false If the simulation has ended, true otherwise
      */
-    bool       step_forward(History& history, CPUPolicy& cpu_policy) throw(UserInterruptException, MalformedPolicyException);
+    bool       step_forward(ConcreteHistory& history, CPUPolicy& cpu_policy) throw(UserInterruptException);
 
     /**
        Returns the policy that will be used to generate the simulation at the next instant.