upload android base code part4

android/hardware/ril/include/telephony/librilutils.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LIBRILUTILS_H
+#define LIBRILUTILS_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Return system time in nanos.
+ *
+ * This is a monotonicly increasing clock and
+ * return the same value as System.nanoTime in java.
+ */
+uint64_t ril_nano_time();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // LIBRILUTILS_H