Add a virtual function resetStats() that any SimObject can inherit

from that will get called any time stats are reset.

sim/sim_object.cc:
sim/sim_object.hh:
    add a virtual function resetStats that any simObject can reset
    when a statistics reset is initiated

--HG--
extra : convert_revision : fdad673142f6ff811f84c246d80e5d41e3c9d4d1

sim/sim_object.cc

@@ -28,12 +28,13 @@
 
 #include <assert.h>
 
-#include "sim/sim_object.hh"
+#include "base/callback.hh"
 #include "base/inifile.hh"
-#include "sim/configfile.hh"
-#include "sim/host.hh"
 #include "base/misc.hh"
 #include "base/trace.hh"
+#include "sim/configfile.hh"
+#include "sim/host.hh"
+#include "sim/sim_object.hh"
 #include "sim/sim_stats.hh"
 
 using namespace std;
@@ -72,6 +73,21 @@ SimObject::regFormulas()
 {
 }
 
+namespace {
+    class __SimObjectResetCB : public Callback
+    {
+      public:
+        __SimObjectResetCB() { Statistics::RegResetCallback(this); }
+        virtual void process() { SimObject::resetAllStats(); }
+    };
+    __SimObjectResetCB __theSimObjectResetCB;
+}
+
+void
+SimObject::resetStats()
+{
+}
+
 //
 // no default extra output
 //
@@ -109,6 +125,14 @@ SimObject::regAllStats()
    }
 }
 
+//
+// static function: call resetStats() on all SimObjects.
+//
+void
+SimObject::resetAllStats()
+{
+}
+
 //
 // static function: call printExtraOutput() on all SimObjects.
 //

sim/sim_object.hh

@@ -68,6 +68,7 @@ class SimObject : public Serializeable
     // register statistics for this object
     virtual void regStats();
     virtual void regFormulas();
+    virtual void resetStats();
 
     // print extra results for this object not covered by registered
     // statistics (called at end of simulation)
@@ -76,6 +77,9 @@ class SimObject : public Serializeable
     // static: call reg_stats on all SimObjects
     static void regAllStats();
 
+    // static: call resetStats on all SimObjects
+    static void resetAllStats();
+
     // static: call printExtraOutput on all SimObjects
     static void printAllExtraOutput(std::ostream&);
 };