1 files changed, 39 insertions, 0 deletions
diff --git a/pkg/shim/proc/proc.go b/pkg/shim/proc/proc.go
new file mode 100644
index 000000000..edba3fca5
--- /dev/null
+++ b/pkg/shim/proc/proc.go
@@ -0,0 +1,39 @@
+// Copyright 2018 The containerd Authors.
+// Copyright 2018 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
+//
+//     https://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 proc is responsible to manage the communication between the shim and
+// the sandbox process running the container.
+package proc
+
+import (
+	"fmt"
+)
+
+// RunscRoot is the path to the root runsc state directory.
+const RunscRoot = "/run/containerd/runsc"
+
+func stateName(v interface{}) string {
+	switch v.(type) {
+	case *runningState, *execRunningState:
+		return "running"
+	case *createdState, *execCreatedState:
+		return "created"
+	case *deletedState:
+		return "deleted"
+	case *stoppedState:
+		return "stopped"
+	}
+	panic(fmt.Errorf("invalid state %v", v))
+}