1 files changed, 44 insertions, 0 deletions
diff --git a/runtime/os.h b/runtime/os.h
new file mode 100644
index 000000000..3428b6afb
--- /dev/null
+++ b/runtime/os.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2009 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 ART_SRC_OS_H_
+#define ART_SRC_OS_H_
+
+namespace unix_file {
+class FdFile;
+}  // namespace unix_file
+
+namespace art {
+
+typedef ::unix_file::FdFile File;
+
+// Interface to the underlying OS platform.
+
+class OS {
+ public:
+  // Open a file. The returned pointer must be deleted by the caller.
+  static File* OpenFile(const char* name, bool writable, bool create = true);
+
+  // Check if a file exists.
+  static bool FileExists(const char* name);
+
+  // Check if a directory exists.
+  static bool DirectoryExists(const char* name);
+};
+
+}  // namespace art
+
+#endif  // ART_SRC_OS_H_