const syscall.SO_REUSEPORT

2 uses

	syscall (current package)
		zerrors_darwin_arm64.go#L980: 	SO_REUSEPORT                      = 0x200

	net
		sockopt_bsd.go#L56: 	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEPORT, 1))