Added sharedSynchronization library

engine/shared/library/sharedSynchronization/src/linux/Gate.cpp

@@ -0,0 +1,45 @@
+// ======================================================================
+//
+// Gate.cpp
+// Acy Stapp
+//
+// Copyright 6/19/2001 Sony Online Entertainment
+//
+// ======================================================================
+
+#include "sharedFoundation/FirstSharedFoundation.h"
+#include "sharedSynchronization/Gate.h"
+
+Gate::Gate(bool open)
+: cond(lock)
+{
+	opened = open;
+}
+
+Gate::~Gate()
+{
+}
+
+void Gate::wait()
+{
+	lock.enter();
+	while (!opened)
+		cond.wait();
+	lock.leave();
+}
+
+void Gate::close()
+{
+	lock.enter();
+	opened = false;
+	lock.leave();
+}
+
+void Gate::open()
+{
+	lock.enter();
+	opened = true;
+	cond.broadcast();
+	lock.leave();
+}
+