//go:build windows

package cli

import (
	"errors"
	"syscall"

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

func processAlive(pid int) bool {
	if pid <= 0 {
		return false
	}
	handle, err := windows.OpenProcess(windows.SYNCHRONIZE, false, uint32(pid))
	if err != nil {
		if errors.Is(err, windows.ERROR_ACCESS_DENIED) {
			return true
		}
		return false
	}
	defer windows.CloseHandle(handle)

	status, err := windows.WaitForSingleObject(handle, 0)
	if err != nil {
		return false
	}
	return status == uint32(windows.WAIT_TIMEOUT)
}

// detachSysProcAttr starts the daemon in a new process group so it does not
// receive the console's CTRL_C/CTRL_BREAK while `ao start` waits for readiness.
func detachSysProcAttr() *syscall.SysProcAttr {
	return &syscall.SysProcAttr{CreationFlags: windows.CREATE_NEW_PROCESS_GROUP}
}