Check in gVisor.

PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463

1 files changed, 30 insertions, 0 deletions

diff --git a/pkg/syserr/linuxabi.go b/pkg/syserr/linuxabi.go
new file mode 100644
index 000000000..71e3d1a81
--- /dev/null
+++ b/pkg/syserr/linuxabi.go
@@ -0,0 +1,30 @@
+// Copyright 2018 Google Inc.
+//
+// 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 syserr
+
+import (
+	"gvisor.googlesource.com/gvisor/pkg/abi/linux"
+)
+
+var linuxABITranslations = map[*Error]*linux.Errno{}
+
+// ToLinux translates an Error to a corresponding *linux.Errno value.
+func ToLinux(err *Error) *linux.Errno {
+	le, ok := linuxABITranslations[err]
+	if !ok {
+		panic("No Linux ABI translation available for " + err.String())
+	}
+	return le
+}