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// 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 gofer
import (
"fmt"
"gvisor.dev/gvisor/pkg/sentry/context"
"gvisor.dev/gvisor/pkg/sentry/fs"
)
// afterLoad is invoked by stateify.
func (f *fileOperations) afterLoad() {
load := func() error {
f.inodeOperations.fileState.waitForLoad()
// Manually load the open handles.
var err error
// The file may have been opened with Truncate, but we don't
// want to re-open it with Truncate or we will lose data.
flags := f.flags
flags.Truncate = false
// TODO(b/38173783): Context is not plumbed to save/restore.
f.handles, err = f.inodeOperations.fileState.getHandles(context.Background(), flags, f.inodeOperations.cachingInodeOps)
if err != nil {
return fmt.Errorf("failed to re-open handle: %v", err)
}
return nil
}
fs.Async(fs.CatchError(load))
}
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