//go:build windows

package udp

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

// setSocketReuse enables SO_REUSEADDR on the socket before bind so that
// multiple processes (HamLog + Log4OM + …) can listen on the same UDP
// multicast port. Without it, Windows fails the second bind with
// WSAEADDRINUSE ("Une seule utilisation de chaque adresse de socket…").
func setSocketReuse(fd uintptr) error {
	return windows.SetsockoptInt(windows.Handle(fd),
		windows.SOL_SOCKET, windows.SO_REUSEADDR, 1)
}