[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/go.etcd.io/etcd/pkg/fileutil/lock_plan9.go b/vendor/go.etcd.io/etcd/pkg/fileutil/lock_plan9.go
new file mode 100644
index 0000000..fee6a7c
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/fileutil/lock_plan9.go
@@ -0,0 +1,45 @@
+// Copyright 2015 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.
+
+package fileutil
+
+import (
+ "os"
+ "syscall"
+ "time"
+)
+
+func TryLockFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
+ if err := os.Chmod(path, syscall.DMEXCL|PrivateFileMode); err != nil {
+ return nil, err
+ }
+ f, err := os.Open(path, flag, perm)
+ if err != nil {
+ return nil, ErrLocked
+ }
+ return &LockedFile{f}, nil
+}
+
+func LockFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
+ if err := os.Chmod(path, syscall.DMEXCL|PrivateFileMode); err != nil {
+ return nil, err
+ }
+ for {
+ f, err := os.OpenFile(path, flag, perm)
+ if err == nil {
+ return &LockedFile{f}, nil
+ }
+ time.Sleep(10 * time.Millisecond)
+ }
+}