Fail* directories reorganized, Code-cleanup (-> coding-style), Typos+comments fixed.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1321 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

src/core/util/SynchronizedCounter.hpp

@@ -0,0 +1,38 @@
+/**
+ * \brief Thread safe (synchronized) counter.
+ */
+
+#ifndef __SYNCHRONIZED_COUNTER_HPP__
+  #define __SYNCHRONIZED_COUNTER_HPP__
+
+#ifndef __puma
+#include <boost/thread.hpp>
+#include <sys/types.h>
+#endif
+
+namespace fail {
+
+/**
+ * \class ssd
+ * 
+ * Provides a thread safe (synchronized) counter. When a method is called,
+ * the internal mutex is automatically locked. On return, the lock is
+ * automatically released ("scoped lock").
+ */
+class SynchronizedCounter {
+private:
+	int m_counter;
+#ifndef __puma
+	boost::mutex m_mutex; //! The mutex to synchronise on
+#endif
+public:
+	SynchronizedCounter() : m_counter(0) { }
+
+	int increment();
+	int decrement();
+	int getValue();
+};
+
+} // end-of-namespace: fail
+
+#endif // __SYNCHRONIZED_COUNTER_HPP__