From a1164154ded6c1fa3c6a94f38abfcf96aefc20aa Mon Sep 17 00:00:00 2001
From: Curtis Dunham <Curtis.Dunham@arm.com>
Date: Thu, 26 Mar 2015 11:16:44 -0400
Subject: sim: Update limit_event reuse to final version

Matching final version on reviewboard.
---
 src/sim/sim_events.hh |  5 -----
 src/sim/simulate.cc   | 13 +++++--------
 src/sim/simulate.hh   |  2 +-
 3 files changed, 6 insertions(+), 14 deletions(-)

(limited to 'src/sim')

diff --git a/src/sim/sim_events.hh b/src/sim/sim_events.hh
index 4d001f8f0..5be2609fd 100644
--- a/src/sim/sim_events.hh
+++ b/src/sim/sim_events.hh
@@ -71,11 +71,6 @@ class GlobalSimLoopExitEvent : public GlobalEvent
     void process();     // process event
 
     virtual const char *description() const;
-
-    virtual ~GlobalSimLoopExitEvent() {
-        // simulate()'s singleton GlobalSimLoopExitEvent is always scheduled
-        deschedule();
-    }
 };
 
 class LocalSimLoopExitEvent : public Event
diff --git a/src/sim/simulate.cc b/src/sim/simulate.cc
index 14dd00fc1..e0b80bbe8 100644
--- a/src/sim/simulate.cc
+++ b/src/sim/simulate.cc
@@ -71,13 +71,7 @@ thread_loop(EventQueue *queue)
     }
 }
 
-GlobalEvent*
-getLimitEvent(void) {
-    static GlobalSimLoopExitEvent
-           simulate_limit_event(mainEventQueue[0]->getCurTick(),
-                                "simulate() limit reached", 0);
-    return &simulate_limit_event;
-}
+GlobalSimLoopExitEvent *simulate_limit_event = nullptr;
 
 /** Simulate for num_cycles additional cycles.  If num_cycles is -1
  * (the default), do not limit simulation; some other event must
@@ -104,6 +98,9 @@ simulate(Tick num_cycles)
         }
 
         threads_initialized = true;
+        simulate_limit_event =
+            new GlobalSimLoopExitEvent(mainEventQueue[0]->getCurTick(),
+                                       "simulate() limit reached", 0);
     }
 
     inform("Entering event queue @ %d.  Starting simulation...\n", curTick());
@@ -113,7 +110,7 @@ simulate(Tick num_cycles)
     else // counter would roll over or be set to MaxTick anyhow
         num_cycles = MaxTick;
 
-    getLimitEvent()->reschedule(num_cycles);
+    simulate_limit_event->reschedule(num_cycles);
 
     GlobalSyncEvent *quantum_event = NULL;
     if (numMainEventQueues > 1) {
diff --git a/src/sim/simulate.hh b/src/sim/simulate.hh
index 18be7ea82..85d58e119 100644
--- a/src/sim/simulate.hh
+++ b/src/sim/simulate.hh
@@ -33,4 +33,4 @@
 #include "sim/sim_events.hh"
 
 GlobalSimLoopExitEvent *simulate(Tick num_cycles = MaxTick);
-GlobalEvent* getLimitEvent();
+extern GlobalSimLoopExitEvent *simulate_limit_event;
-- 
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