From 4142f8f7c02ff18cb42a91bb8b9c2e0d847cf505 Mon Sep 17 00:00:00 2001
From: Nathan Binkert <binkertn@umich.edu>
Date: Thu, 5 Oct 2006 03:37:43 -0700
Subject: Static global object don't work well, if the variables are accessed
 during the construction of another static global object because there are no
 guarantees on ordering of construction, so stick the static global into a
 function as a static local and return a reference to the variable. This fixes
 the exit callback stuff on my Mac.

--HG--
extra : convert_revision : 63a3844d0b5ee18e2011f1bc7ca7bb703284da94
---
 src/sim/main.cc | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/sim/main.cc b/src/sim/main.cc
index 5725897f8..728b7b810 100644
--- a/src/sim/main.cc
+++ b/src/sim/main.cc
@@ -414,7 +414,12 @@ unserializeAll(const std::string &cpt_dir)
 /**
  * Queue of C++ callbacks to invoke on simulator exit.
  */
-CallbackQueue exitCallbacks;
+CallbackQueue&
+exitCallbacks()
+{
+    static CallbackQueue theQueue;
+    return theQueue;
+}
 
 /**
  * Register an exit callback.
@@ -422,7 +427,7 @@ CallbackQueue exitCallbacks;
 void
 registerExitCallback(Callback *callback)
 {
-    exitCallbacks.add(callback);
+    exitCallbacks().add(callback);
 }
 
 BaseCPU *
@@ -442,8 +447,8 @@ convertToBaseCPUPtr(SimObject *obj)
 void
 doExitCleanup()
 {
-    exitCallbacks.process();
-    exitCallbacks.clear();
+    exitCallbacks().process();
+    exitCallbacks().clear();
 
     cout.flush();
 
-- 
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