package cmdn

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

// terminateProcess stops the command by sending its process group a SIGTERM signal.
// Stop is idempotent. An error should only be returning to the rare case that
// Stop is called immediately after the command ends but before Start can
// update its internal state.
func terminateProcess(pid int) error {
	p, err := os.FindProcess(pid)
	if err != nil {
		return err
	}
	return p.Kill()
}

func setProcessGroupID(cmd *exec.Cmd) {
	cmd.SysProcAttr = &syscall.SysProcAttr{}
}