/*
Copyright The containerd Authors.
Copyright 2018 Google LLC

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"

	"github.com/containerd/console"
	"github.com/containerd/containerd/runtime/proc"
	"github.com/pkg/errors"
)

type deletedState struct {
}

func (s *deletedState) Resize(ws console.WinSize) error {
	return errors.Errorf("cannot resize a deleted process")
}

func (s *deletedState) Start(ctx context.Context) error {
	return errors.Errorf("cannot start a deleted process")
}

func (s *deletedState) Delete(ctx context.Context) error {
	return errors.Errorf("cannot delete a deleted process")
}

func (s *deletedState) Kill(ctx context.Context, sig uint32, all bool) error {
	return errors.Errorf("cannot kill a deleted process")
}

func (s *deletedState) SetExited(status int) {
	// no op
}

func (s *deletedState) Exec(ctx context.Context, path string, r *ExecConfig) (proc.Process, error) {
	return nil, errors.Errorf("cannot exec in a deleted state")
}