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// Copyright 2018 The containerd Authors.
// 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
//
// https://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 proc
import (
"context"
"fmt"
"github.com/containerd/console"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/pkg/process"
runc "github.com/containerd/go-runc"
)
type deletedState struct{}
func (*deletedState) Resize(console.WinSize) error {
return fmt.Errorf("cannot resize a deleted container/process")
}
func (*deletedState) Start(context.Context) error {
return fmt.Errorf("cannot start a deleted container/process")
}
func (*deletedState) Delete(context.Context) error {
return fmt.Errorf("cannot delete a deleted container/process: %w", errdefs.ErrNotFound)
}
func (*deletedState) Kill(_ context.Context, signal uint32, _ bool) error {
return handleStoppedKill(signal)
}
func (*deletedState) SetExited(int) {}
func (*deletedState) Exec(context.Context, string, *ExecConfig) (process.Process, error) {
return nil, fmt.Errorf("cannot exec in a deleted state")
}
func (s *deletedState) State(context.Context) (string, error) {
// There is no "deleted" state, closest one is stopped.
return "stopped", nil
}
func (s *deletedState) Stats(context.Context, string) (*runc.Stats, error) {
return nil, fmt.Errorf("cannot stat a stopped container/process")
}
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