Files
visor/pkg/tcpip/stdclock_state.go
T
Kevin KrakauerandgVisor bot 608c308b29 netstack: remove mutex from standard clock
We can avoid locking altogether by saving the monotonic offset only during save
rather than every time we return a time.

PiperOrigin-RevId: 536471006
2023-05-30 12:09:37 -07:00

28 lines
837 B
Go

// 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 tcpip
import "time"
// beforeSave is invoked by stateify.
func (s *stdClock) beforeSave() {
s.monotonicOffset = s.NowMonotonic()
}
// afterLoad is invoked by stateify.
func (s *stdClock) afterLoad() {
s.baseTime = time.Now()
}