Migrate libmojo repository into libchrome, part 2.

am: b268b43ac6

Change-Id: I7b2c3d7cfed03673c33eb497be20e238bd0aac33

1 files changed, 24 insertions, 0 deletions

diff --git a/mojo/edk/embedder/platform_handle_utils_posix.cc b/mojo/edk/embedder/platform_handle_utils_posix.cc
new file mode 100644
index 0000000000..5604f96bf1
--- /dev/null
+++ b/mojo/edk/embedder/platform_handle_utils_posix.cc
@@ -0,0 +1,24 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/edk/embedder/platform_handle_utils.h"
+
+#include <unistd.h>
+
+#include "base/logging.h"
+
+namespace mojo {
+namespace edk {
+
+ScopedPlatformHandle DuplicatePlatformHandle(PlatformHandle platform_handle) {
+  DCHECK(platform_handle.is_valid());
+  // Note that |dup()| returns -1 on error (which is exactly the value we use
+  // for invalid |PlatformHandle| FDs).
+  PlatformHandle duped(dup(platform_handle.handle));
+  duped.needs_connection = platform_handle.needs_connection;
+  return ScopedPlatformHandle(duped);
+}
+
+}  // namespace edk
+}  // namespace mojo