visor/runsc/gvisorbinaries/embed/embed.go

// Copyright 2026 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 embed wires the embedded (compiled-into-runsc) fallbacks for the
// gvisorbinaries sidecar binaries. It is imported for its side effects by the
// runsc binary's entrypoint (runsc/cli/maincli)
//
// TODO(gvisor.dev/issue/13718): embedded sidecar binaries are being replaced by
// on-disk binaries in a "gvisor-bin/" directory. Once the embedded copies are
// removed, delete this package.
package embed

import (
	"gvisor.dev/gvisor/runsc/checkpointgofer"
	"gvisor.dev/gvisor/runsc/gvisorbinaries"
)

func init() {
	gvisorbinaries.CheckpointGofer.DeclareEmbedded(func(o gvisorbinaries.Options) error {
		return checkpointgofer.Exec(checkpointgofer.Options{
			Argv: o.Argv,
			Envv: o.Envv,
		})
	}, func(o gvisorbinaries.Options) (int, error) {
		return checkpointgofer.ForkExec(checkpointgofer.Options{
			Argv:        o.Argv,
			Envv:        o.Envv,
			Files:       o.Files,
			SysProcAttr: o.SysProcAttr,
		})
	})
}