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-rw-r--r--pkg/sentry/control/BUILD1
-rw-r--r--pkg/sentry/control/lifecycle.go36
2 files changed, 37 insertions, 0 deletions
diff --git a/pkg/sentry/control/BUILD b/pkg/sentry/control/BUILD
index deaf5fa23..9fb8a054d 100644
--- a/pkg/sentry/control/BUILD
+++ b/pkg/sentry/control/BUILD
@@ -6,6 +6,7 @@ go_library(
name = "control",
srcs = [
"control.go",
+ "lifecycle.go",
"logging.go",
"pprof.go",
"proc.go",
diff --git a/pkg/sentry/control/lifecycle.go b/pkg/sentry/control/lifecycle.go
new file mode 100644
index 000000000..67abf497d
--- /dev/null
+++ b/pkg/sentry/control/lifecycle.go
@@ -0,0 +1,36 @@
+// Copyright 2021 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 control
+
+import (
+ "gvisor.dev/gvisor/pkg/sentry/kernel"
+)
+
+// Lifecycle provides functions related to starting and stopping tasks.
+type Lifecycle struct {
+ Kernel *kernel.Kernel
+}
+
+// Pause pauses all tasks, blocking until they are stopped.
+func (l *Lifecycle) Pause(_, _ *struct{}) error {
+ l.Kernel.Pause()
+ return nil
+}
+
+// Resume resumes all tasks.
+func (l *Lifecycle) Resume(_, _ *struct{}) error {
+ l.Kernel.Unpause()
+ return nil
+}