[VOL-4290] Voltha go library updates for gRPC migration
Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/vendor/github.com/coreos/etcd/pkg/fileutil/dir_windows.go b/vendor/github.com/coreos/etcd/pkg/fileutil/dir_windows.go
new file mode 100644
index 0000000..a10a905
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/pkg/fileutil/dir_windows.go
@@ -0,0 +1,51 @@
+// Copyright 2016 The etcd Authors
+//
+// 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.
+
+// +build windows
+
+package fileutil
+
+import (
+ "os"
+ "syscall"
+)
+
+const (
+ // PrivateDirMode grants owner to make/remove files inside the directory.
+ PrivateDirMode = 0777
+)
+
+// OpenDir opens a directory in windows with write access for syncing.
+func OpenDir(path string) (*os.File, error) {
+ fd, err := openDir(path)
+ if err != nil {
+ return nil, err
+ }
+ return os.NewFile(uintptr(fd), path), nil
+}
+
+func openDir(path string) (fd syscall.Handle, err error) {
+ if len(path) == 0 {
+ return syscall.InvalidHandle, syscall.ERROR_FILE_NOT_FOUND
+ }
+ pathp, err := syscall.UTF16PtrFromString(path)
+ if err != nil {
+ return syscall.InvalidHandle, err
+ }
+ access := uint32(syscall.GENERIC_READ | syscall.GENERIC_WRITE)
+ sharemode := uint32(syscall.FILE_SHARE_READ | syscall.FILE_SHARE_WRITE)
+ createmode := uint32(syscall.OPEN_EXISTING)
+ fl := uint32(syscall.FILE_FLAG_BACKUP_SEMANTICS)
+ return syscall.CreateFile(pathp, access, sharemode, nil, createmode, fl, 0)
+}