Carlos Amedee <******@****.***> 1715265901 -0400

Carlos Amedee <******@****.***> 1715265901 -0400

Carlos Amedee <******@****.***> 1715265901 -0400

		// as described in RFC 6056 and is pretty narrow.
		switch family {
		case syscall.AF_INET:
			syscall.SetsockoptInt(s, syscall.IPPROTO_IP, syscall.IP_PORTRANGE, syscall.IP_PORTRANGE_HIGH)
		case syscall.AF_INET6:
			syscall.SetsockoptInt(s, syscall.IPPROTO_IPV6, syscall.IPV6_PORTRANGE, syscall.IPV6_PORTRANGE_HIGH)
		}
	}
	if family == syscall.AF_INET6 && sotype != syscall.SOCK_RAW && supportsIPv4map() {
		// Allow both IP versions even if the OS default

		// Allow broadcast.
		return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1))
	}
	return nil
}

func setDefaultListenerSockopts(s int) error {
	// Allow reuse of recently-used addresses.
	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1))
}

			}
		case "udp4":
			if so.Cookie.Family() == syscall.AF_INET && so.Cookie.Type() == syscall.SOCK_DGRAM {
				return nil, syscall.EHOSTUNREACH
			}
		case "ip4":
			if so.Cookie.Family() == syscall.AF_INET && so.Cookie.Type() == syscall.SOCK_RAW {
				return nil, syscall.EHOSTUNREACH
			}
		case "tcp6":
			if so.Cookie.Family() == syscall.AF_INET6 && so.Cookie.Type() == syscall.SOCK_STREAM {

		// Allow broadcast.
		return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1))
	}
	return nil
}

func setDefaultListenerSockopts(s int) error {
	// Allow reuse of recently-used addresses.
	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1))
}

			//   IPv4-embedded IPv6 addresses.
			if addr.IP.To16() != nil && addr.IP.To4() == nil {
				operr = syscall.SetsockoptInt(int(s), syscall.IPPROTO_IPV6, syscall.IPV6_UNICAST_HOPS, 1)
			} else if addr.IP.To16() == nil && addr.IP.To4() != nil {
				operr = syscall.SetsockoptInt(int(s), syscall.IPPROTO_IP, syscall.IP_TTL, 1)
			}
		}
	}
	if err := c.Control(fn); err != nil {
		return err
	}
	return operr
}

		// Allow broadcast.
		return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1))
	}
	return nil
}

func setDefaultListenerSockopts(s int) error {
	// Allow reuse of recently-used addresses.
	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1))
}

	// Set up mappings.
	base, _, errno := syscall.Syscall6(syscall.SYS_MMAP,
		0xa0<<32, 3<<30, syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_PRIVATE|syscall.MAP_ANONYMOUS, ^uintptr(0), 0)
	if errno != 0 {
		t.Skipf("could not create memory mapping: %s", errno)
	}
	syscall.Syscall(syscall.SYS_MUNMAP, base, 3<<30, 0)

	for off := uintptr(0); off < 3<<30; off += 65536 {
		_, _, errno := syscall.Syscall6(syscall.SYS_MMAP,