From a414b61f9279b2806ab92ec17cdd19cf57d59e2f Mon Sep 17 00:00:00 2001
From: Steven Fackler <sfackler@gmail.com>
Date: Wed, 20 Jan 2016 21:24:23 -0800
Subject: Add File::try_clone

---
 src/libstd/sys/windows/fs.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/libstd/sys/windows')

diff --git a/src/libstd/sys/windows/fs.rs b/src/libstd/sys/windows/fs.rs
index 60e3f7c22bd..f5981baf141 100644
--- a/src/libstd/sys/windows/fs.rs
+++ b/src/libstd/sys/windows/fs.rs
@@ -338,6 +338,12 @@ impl File {
         Ok(newpos as u64)
     }
 
+    pub fn duplicate(&self) -> io::Result<File> {
+        Ok(File {
+            handle: try!(self.handle.duplicate(0, true, c::DUPLICATE_SAME_ACCESS)),
+        })
+    }
+
     pub fn handle(&self) -> &Handle { &self.handle }
 
     pub fn into_handle(self) -> Handle { self.handle }
-- 
cgit 1.4.1-3-g733a5