move ScopedFileDescriptor into libpbd and use it

1 files changed, 34 insertions, 0 deletions

diff --git a/libs/pbd/pbd/scoped_file_descriptor.h b/libs/pbd/pbd/scoped_file_descriptor.h
new file mode 100644
index 0000000000..ee0498e8a8
--- /dev/null
+++ b/libs/pbd/pbd/scoped_file_descriptor.h
@@ -0,0 +1,34 @@
+/*
+    Copyright (C) 2014 Paul Davis
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __libpbd_scoped_file_descriptor_h__
+#define __libpbd_scoped_file_descriptor_h__
+
+namespace PBD {
+
+struct ScopedFileDescriptor {
+	ScopedFileDescriptor (int fd) : _fd (fd) {}
+	~ScopedFileDescriptor() { if (_fd >= 0) close (_fd); }
+	operator int() { return _fd; }
+	int _fd;
+};
+
+}
+
+#endif /* __libpbd_scoped_file_descriptor_h__ */