1 files changed, 48 insertions, 0 deletions
diff --git a/mgizapp/src/syncObj.h b/mgizapp/src/syncObj.h
new file mode 100644
index 0000000..1c1b31d
--- /dev/null
+++ b/mgizapp/src/syncObj.h
@@ -0,0 +1,48 @@
+#ifndef __SYNC_OBJ_H__
+#define __SYNC_OBJ_H__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <iostream>
+
+class Mutex{
+    private:
+       mutable pthread_mutex_t mutex;
+
+    public:
+        Mutex(){pthread_mutex_init(&mutex,NULL);};
+        ~Mutex(){pthread_mutex_destroy(&mutex);}
+    
+    public:
+        inline void lock() const{pthread_mutex_lock(&mutex);};
+        inline void unlock() const{pthread_mutex_unlock(&mutex);};
+};
+
+class SyncDouble{
+private:
+	double i;
+	Mutex m;
+public:
+	SyncDouble(double d) {i=d;};
+	SyncDouble() {i=0;};
+	//inline operator const double()const{return i;}
+	inline bool operator ==(const double& r) const{return i == r;};
+	inline void operator +=(const double& r) {m.lock();i += r;m.unlock();};
+	inline void operator +=(const SyncDouble& r) {m.lock();i += r.i;m.unlock();};
+	inline void operator -=(const double& r) {m.lock();i -= r;m.unlock();};
+	inline void operator *=(const double& r) {m.lock();i *= r;m.unlock();};
+	inline void operator /=(const double& r) {m.lock();i /= r;m.unlock();};
+	inline double operator =(const double& r) {m.lock();i = r;m.unlock();return i;};
+	inline double operator =(const int& r) {m.lock();i = r;m.unlock();return i;};
+	inline void operator ++() {m.lock();i++;m.unlock();};
+	inline double operator +(const SyncDouble& r){return r.i+i;};
+	inline double operator /(const SyncDouble& r){return i/r.i;};
+	//inline void operator --() {m.lock();i--;m.unlock();};
+	//inline const istream& operator<<(const istream& p)const{p<<i;return p;};
+	friend  ostream& operator<<( ostream& p,const SyncDouble& d);
+};
+
+inline ostream& operator<<( ostream& p, const SyncDouble& d){p<<d.i;return p;};
+
+#endif