Added atomic integer class.

1 files changed, 78 insertions, 0 deletions

diff --git a/include/tools/atomic.h b/include/tools/atomic.h
new file mode 100644
index 0000000..4e619ee
--- /dev/null
+++ b/include/tools/atomic.h
@@ -0,0 +1,78 @@
+/*
+ * atomic.h
+ *
+ *  Created on: 06.11.2012
+ *      Author: savop
+ */
+
+#ifndef ATOMIC_H_
+#define ATOMIC_H_
+
+#include <vdr/thread.h>
+
+namespace upnp {
+
+namespace tools {
+
+namespace atomic {
+
+class AtomicInteger {
+private:
+  uint32_t value;
+  cMutex mutex;
+
+public:
+  AtomicInteger()
+  : value(0)
+  {}
+
+  inline void increment() {
+    mutex.Lock();
+    ++value;
+    mutex.Unlock();
+  }
+
+  inline void decrement() {
+    mutex.Lock();
+    --value;
+    mutex.Unlock();
+  }
+
+  operator unsigned int() const {
+    return Get();
+  }
+
+  unsigned int Get() const {
+    return value;
+  }
+
+  AtomicInteger& operator++(){
+    increment();
+    return *this;
+  }
+
+  AtomicInteger operator++(int){
+    increment();
+    return *this;
+  }
+
+  AtomicInteger& operator--(){
+    decrement();
+    return *this;
+  }
+
+  AtomicInteger operator--(int){
+    decrement();
+    return *this;
+  }
+
+};
+
+}  // namespace atomic
+
+}  // namespace tools
+
+}  // namespace upnp
+
+
+#endif /* ATOMIC_H_ */