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//go:build !unix && !windows

package tools

import (
	"os"
	"os/exec"
	"syscall"
)

// shellProgram is a guess on a platform this package does not know.
func shellProgram() string { return "/bin/sh" }

// shellArgs assumes a Bourne-style shell.
func shellArgs(command string) []string { return []string{"-c", command} }

// childAttributes asks for nothing on a platform without process groups.
func childAttributes(*exec.Cmd, string) *syscall.SysProcAttr { return nil }

// loneProcess is a command with nothing grouping what it started.
type loneProcess struct{ process *os.Process }

// newGroup has no group to offer.
func newGroup(process *os.Process) group { return loneProcess{process: process} }

// kill stops the process alone.
//
// Anything it started keeps running, and if that child holds the output pipe
// the run will not report itself finished until WaitDelay expires. That is the
// backstop rather than the intent; a platform-specific way to end a whole
// process tree would be the real answer here.
func (g loneProcess) kill() { _ = g.process.Kill() }

func (loneProcess) release() {}