pub fn sys_unknown(
_locked: &mut Locked<Unlocked>,
current_task: &CurrentTask,
syscall_number: u64,
) -> Result<SyscallResult, Errno>pub fn sys_unknown(
_locked: &mut Locked<Unlocked>,
current_task: &CurrentTask,
syscall_number: u64,
) -> Result<SyscallResult, Errno>