Move projects back into subfolder.

[stg.git] / projects / stargazer / eventloop.h

diff --git a/projects/stargazer/eventloop.h b/projects/stargazer/eventloop.h
new file mode 100644 (file)
index 0000000..0e79814
--- /dev/null
+++ b/projects/stargazer/eventloop.h
@@ -0,0 +1,63 @@
+#ifndef __EVENT_LOOP_H__
+#define __EVENT_LOOP_H__
+
+#include <pthread.h>
+
+#include "stg/noncopyable.h"
+#include "actions.h"
+
+class EVENT_LOOP : private NONCOPYABLE,
+                   private ACTIONS_LIST
+{
+    public:
+        bool Start();
+        bool Stop();
+        bool IsRunning() const { return _running; }
+
+        template <class ACTIVE_CLASS, typename DATA_TYPE>
+        void Enqueue(ACTIVE_CLASS & ac,
+                     typename ACTOR<ACTIVE_CLASS, DATA_TYPE>::TYPE a,
+                     DATA_TYPE d);
+
+    private:
+        bool _running;
+        bool _stopped;
+        pthread_t _tid;
+        pthread_mutex_t _mutex;
+        pthread_cond_t _condition;
+
+        EVENT_LOOP();
+        virtual ~EVENT_LOOP();
+
+        static void * Run(void *);
+        void Runner();
+
+        friend class EVENT_LOOP_SINGLETON;
+};
+
+class EVENT_LOOP_SINGLETON : private NONCOPYABLE
+{
+    public:
+        static EVENT_LOOP & GetInstance();
+
+    private:
+        static EVENT_LOOP * _instance;
+        static void CreateInstance();
+
+        EVENT_LOOP_SINGLETON() {}
+        ~EVENT_LOOP_SINGLETON() {}
+};
+
+template <class ACTIVE_CLASS, typename DATA_TYPE>
+void EVENT_LOOP::Enqueue(ACTIVE_CLASS & ac,
+                         typename ACTOR<ACTIVE_CLASS, DATA_TYPE>::TYPE a,
+                         DATA_TYPE d)
+{
+STG_LOCKER lock(&_mutex);
+// Add new action
+ACTIONS_LIST::Enqueue(ac, a, d);
+// Signal about new action
+pthread_cond_signal(&_condition);
+}
+
+#endif