Re: Adding new syscalls via modules?
Jamie Lokier (lkd@tantalophile.demon.co.uk)
Mon, 5 Jul 1999 19:40:50 +0200
Alexander Maryanchick wrote:
> To safely register new function, the kernel requires some sort of naming
> service.
>
> It's still possible to use wrapper:
> register_syscall("Tetris bonus game", &handler);
> in the kernel and
> get_syscall_number("Tetris bonus game");
> in libc.
>
> But this is already new mechanism - not regular syscalls!
Traditionally this is done by inventing a new character device and using
ioctls. The device gives you a name, ioctls give you a call
multiplexor.
Of course this is ugly so NT does it a better way ;-)
-- Jamie
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