1 files changed, 40 insertions, 0 deletions
diff --git a/pkg/sentry/fs/ext/named_pipe.go b/pkg/sentry/fs/ext/named_pipe.go
new file mode 100644
index 000000000..0f3af1b53
--- /dev/null
+++ b/pkg/sentry/fs/ext/named_pipe.go
@@ -0,0 +1,40 @@
+// 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 ext
+
+import (
+	"gvisor.dev/gvisor/pkg/sentry/context"
+	"gvisor.dev/gvisor/pkg/sentry/fs"
+	"gvisor.dev/gvisor/pkg/sentry/kernel/pipe"
+	"gvisor.dev/gvisor/pkg/sentry/usermem"
+)
+
+// namedPipe represents a named pipe inode. It is currently just a wrapper
+// around pkg/sentry/kernel/pipe.
+type namedPipe struct {
+	inode inode
+
+	p        *pipe.Pipe
+	inodeOps fs.InodeOperations
+}
+
+// newNamedPipe is the namedPipe constructor.
+func newNamedPipe(ctx context.Context, inode inode) *namedPipe {
+	file := &namedPipe{inode: inode}
+	file.inode.impl = file
+	file.p = pipe.NewPipe(ctx, true /* isNamed */, pipe.DefaultPipeSize, usermem.PageSize)
+	file.inodeOps = pipe.NewInodeOperations(ctx, fs.FilePermsFromMode(file.inode.diskInode.Mode()), file.p)
+	return file
+}