Save root file descriptor when starting up

Allow access to underlying file system by saving a file descriptor to
the underlying directory when starting.  Close the FD during FUSE’s
destroy routine, though it won’t matter much.

1 files changed, 26 insertions, 0 deletions

diff --git a/src/utility.h b/src/utility.h
new file mode 100644
index 0000000..53e3840
--- /dev/null
+++ b/src/utility.h
@@ -0,0 +1,26 @@
+// Copyright 2016 Benjamin Barenblat
+//
+// 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 UTILITY_H_
+#define UTILITY_H_
+
+#include <string>
+
+namespace scoville {
+
+std::string ErrnoText();
+
+}  // namespace scoville
+
+#endif  // UTILITY_H_