Re: reserved system calls?

sergey@memco.com
Thu, 11 Nov 1999 13:02:41 -0500


Ralf Baechle wrote:

>On Wed, Nov 10, 1999 at 03:36:23PM -0500, Chuck Lever wrote:
>
>> at the end of arch/mips/kernel/syscalls.h, there are two lines like this:
>>
>> SYS(sys_ni_syscall, 0)
>> SYS(sys_ni_syscall, 0)
>>
>> are these reserved for something, or can i use them to add new system
>> calls?
>These slots are reserved for getpmsg() and putpmsg().

Actualy system_call_table[] ( for Intel platform ) contains 256 elements and
one quater of them is still empty. There is no rule ( for now ) how to use it.
Actualy I think Linux should have special mechanism for register and unregister
dynamic system calls ( like Solaris OS ).

> Ralf

Sergey Tsybanov

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