From e8884b4ec0288cea058645e55230449fab723b04 Mon Sep 17 00:00:00 2001
From: ehofman <ehofman>
Date: Thu, 31 Dec 2009 10:14:56 +0000
Subject: [PATCH] Also unbind subsystem groups in reverse order and destruct
 them in reverse order to be consistent.

---
 simgear/structure/subsystem_mgr.cxx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/simgear/structure/subsystem_mgr.cxx b/simgear/structure/subsystem_mgr.cxx
index 1c60f47b..ee9c15d1 100644
--- a/simgear/structure/subsystem_mgr.cxx
+++ b/simgear/structure/subsystem_mgr.cxx
@@ -110,10 +110,11 @@ SGSubsystemGroup::SGSubsystemGroup ()
 
 SGSubsystemGroup::~SGSubsystemGroup ()
 {
-    for (unsigned int i = 0; i < _members.size(); i++)
+    // reverse order to prevent order dependency problems
+    for (unsigned int i = _members.size(); i > 0; i--)
     {
-        _members[i]->printTimingStatistics();
-        delete _members[i];
+        _members[i-1]->printTimingStatistics();
+        delete _members[i-1];
     }
 }
 
@@ -382,7 +383,8 @@ SGSubsystemMgr::bind ()
 void
 SGSubsystemMgr::unbind ()
 {
-    for (int i = 0; i < MAX_GROUPS; i++)
+    // reverse order to prevent order dependency problems
+    for (int i = MAX_GROUPS-1; i >= 0; i--)
         _groups[i].unbind();
 }
 
-- 
2.39.5