Changes in lemon/bits/alteration_notifier.h [463:88ed40ad0d4f:1270:dceba191c00d] in lemon

File:

• lemon/bits/alteration_notifier.h (modified) (4 diffs)

lemon/bits/alteration_notifier.h

@@ -3 +3 @@
  * This file is a part of LEMON, a generic C++ optimization library.
  *
- * Copyright (C) 2003-2009
+ * Copyright (C) 2003-2013
  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
  * (Egervary Research Group on Combinatorial Optimization, EGRES).
@@ -24 +24 @@
 
 #include <lemon/core.h>
+#include <lemon/bits/lock.h>
 
 //\ingroup graphbits
@@ -252 +253 @@
     typedef std::list<ObserverBase*> Observers;
     Observers _observers;
-
+    lemon::bits::Lock _lock;
 
   public:
@@ -333 +334 @@
 
     void attach(ObserverBase& observer) {
+      _lock.lock();
       observer._index = _observers.insert(_observers.begin(), &observer);
       observer._notifier = this;
+      _lock.unlock();
     }
 
     void detach(ObserverBase& observer) {
+      _lock.lock();
       _observers.erase(observer._index);
       observer._index = _observers.end();
       observer._notifier = 0;
+      _lock.unlock();
     }