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-rw-r--r--pkg/abi/linux/BUILD1
-rw-r--r--pkg/abi/linux/xattr.go27
2 files changed, 28 insertions, 0 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD
index 51774c6b6..9553f164d 100644
--- a/pkg/abi/linux/BUILD
+++ b/pkg/abi/linux/BUILD
@@ -57,6 +57,7 @@ go_library(
"uio.go",
"utsname.go",
"wait.go",
+ "xattr.go",
],
importpath = "gvisor.dev/gvisor/pkg/abi/linux",
visibility = ["//visibility:public"],
diff --git a/pkg/abi/linux/xattr.go b/pkg/abi/linux/xattr.go
new file mode 100644
index 000000000..a3b6406fa
--- /dev/null
+++ b/pkg/abi/linux/xattr.go
@@ -0,0 +1,27 @@
+// Copyright 2019 The gVisor 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 linux
+
+// Constants for extended attributes.
+const (
+ XATTR_NAME_MAX = 255
+ XATTR_SIZE_MAX = 65536
+
+ XATTR_CREATE = 1
+ XATTR_REPLACE = 2
+
+ XATTR_USER_PREFIX = "user."
+ XATTR_USER_PREFIX_LEN = len(XATTR_USER_PREFIX)
+)