// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause

//go:build windows

package integration

import (
	"fmt"
	"os"
	"os/exec"
	"syscall"

	"golang.org/x/sys/windows"
)

// setNewProcessGroup gives cmd its own process group since CTRL_BREAK targets a whole group.
func setNewProcessGroup(cmd *exec.Cmd) {
	cmd.SysProcAttr = &syscall.SysProcAttr{CreationFlags: windows.CREATE_NEW_PROCESS_GROUP}
}

// interruptProcess interrupts process via CTRL_BREAK, which its Go runtime maps to SIGINT.
func interruptProcess(process *os.Process) error {
	if err := windows.GenerateConsoleCtrlEvent(windows.CTRL_BREAK_EVENT, uint32(process.Pid)); err != nil {
		return fmt.Errorf("GenerateConsoleCtrlEvent: %w", err)
	}
	return nil
}