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-rw-r--r--pkg/sentry/kernel/timekeeper_state.go41
1 files changed, 41 insertions, 0 deletions
diff --git a/pkg/sentry/kernel/timekeeper_state.go b/pkg/sentry/kernel/timekeeper_state.go
new file mode 100644
index 000000000..aee983ac7
--- /dev/null
+++ b/pkg/sentry/kernel/timekeeper_state.go
@@ -0,0 +1,41 @@
+// 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 kernel
+
+import (
+ "gvisor.googlesource.com/gvisor/pkg/sentry/time"
+)
+
+// beforeSave is invoked by stateify.
+func (t *Timekeeper) beforeSave() {
+ if t.stop != nil {
+ panic("pauseUpdates must be called before Save")
+ }
+
+ // N.B. we want the *offset* monotonic time.
+ var err error
+ if t.saveMonotonic, err = t.GetTime(time.Monotonic); err != nil {
+ panic("unable to get current monotonic time: " + err.Error())
+ }
+
+ if t.saveRealtime, err = t.GetTime(time.Realtime); err != nil {
+ panic("unable to get current realtime: " + err.Error())
+ }
+}
+
+// afterLoad is invoked by stateify.
+func (t *Timekeeper) afterLoad() {
+ t.restored = true
+}