[TREE] Enable updater registry

src/common/io.h

@@ -0,0 +1,20 @@
+/*!
+ * Copyright 2014 by Contributors
+ * \file io.h
+ * \brief general stream interface for serialization, I/O
+ * \author Tianqi Chen
+ */
+
+#ifndef XGBOOST_COMMON_IO_H_
+#define XGBOOST_COMMON_IO_H_
+
+#include <dmlc/io.h>
+#include "./sync.h"
+
+namespace xgboost {
+namespace common {
+typedef rabit::utils::MemoryFixSizeBuffer MemoryFixSizeBuffer;
+typedef rabit::utils::MemoryBufferStream MemoryBufferStream;
+}  // namespace common
+}  // namespace xgboost
+#endif  // XGBOOST_COMMON_IO_H_

src/common/sync.h

@@ -0,0 +1,13 @@
+/*!
+ * Copyright 2014 by Contributors
+ * \file sync.h
+ * \brief the synchronization module of rabit
+ *        redirects to rabit header
+ * \author Tianqi Chen
+ */
+#ifndef XGBOOST_COMMON_SYNC_H_
+#define XGBOOST_COMMON_SYNC_H_
+
+#include <rabit.h>
+
+#endif  // XGBOOST_SYNC_H_