diff options
Diffstat (limited to 'pkg/sentry/kernel/timekeeper_state.go')
-rw-r--r-- | pkg/sentry/kernel/timekeeper_state.go | 41 |
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..6ce358a05 --- /dev/null +++ b/pkg/sentry/kernel/timekeeper_state.go @@ -0,0 +1,41 @@ +// 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 +// +// 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 = make(chan struct{}) +} |