1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/github.com/syndtr/goleveldb/leveldb/storage/file_storage_plan9.go b/vendor/github.com/syndtr/goleveldb/leveldb/storage/file_storage_plan9.go
new file mode 100644
index 0000000..bab62bf
--- /dev/null
+++ b/vendor/github.com/syndtr/goleveldb/leveldb/storage/file_storage_plan9.go
@@ -0,0 +1,65 @@
+// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
+// All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package storage
+
+import (
+	"os"
+	"path/filepath"
+)
+
+type plan9FileLock struct {
+	f *os.File
+}
+
+func (fl *plan9FileLock) release() error {
+	return fl.f.Close()
+}
+
+func newFileLock(path string, readOnly bool) (fl fileLock, err error) {
+	var (
+		flag int
+		perm os.FileMode
+	)
+	if readOnly {
+		flag = os.O_RDONLY
+	} else {
+		flag = os.O_RDWR
+		perm = os.ModeExclusive
+	}
+	f, err := os.OpenFile(path, flag, perm)
+	if os.IsNotExist(err) {
+		f, err = os.OpenFile(path, flag|os.O_CREATE, perm|0644)
+	}
+	if err != nil {
+		return
+	}
+	fl = &plan9FileLock{f: f}
+	return
+}
+
+func rename(oldpath, newpath string) error {
+	if _, err := os.Stat(newpath); err == nil {
+		if err := os.Remove(newpath); err != nil {
+			return err
+		}
+	}
+
+	_, fname := filepath.Split(newpath)
+	return os.Rename(oldpath, fname)
+}
+
+func syncDir(name string) error {
+	f, err := os.Open(name)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	if err := f.Sync(); err != nil {
+		return err
+	}
+	return nil
+}