Changes in lemon/bits/alteration_notifier.h [463:88ed40ad0d4f:1131:43a91b33f374] in lemon

File:

• lemon/bits/alteration_notifier.h (modified) (3 diffs)

lemon/bits/alteration_notifier.h

@@ -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();
     }