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// 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 seccheck
import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/sentry/kernel/auth"
)
// CloneInfo contains information used by the Clone checkpoint.
//
// +fieldenum Clone
type CloneInfo struct {
// Invoker identifies the invoking thread.
Invoker TaskInfo
// Credentials are the invoking thread's credentials.
Credentials *auth.Credentials
// Args contains the arguments to kernel.Task.Clone().
Args linux.CloneArgs
// Created identifies the created thread.
Created TaskInfo
}
// CloneReq returns fields required by the Clone checkpoint.
func (s *state) CloneReq() CloneFieldSet {
return s.cloneReq.Load()
}
// Clone is called at the Clone checkpoint.
func (s *state) Clone(ctx context.Context, mask CloneFieldSet, info *CloneInfo) error {
for _, c := range s.getCheckers() {
if err := c.Clone(ctx, mask, *info); err != nil {
return err
}
}
return nil
}
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