Re: system calls

[Robert Love]

On Sat, 2005-01-29 at 10:53 -0300, Rodrigo Ramos wrote:

> I would like to know how many groups of system calls are there at Linux
> 2.4 and 2.6? Where can I find these informations in the Kernel?

I don't know what you mean by groups (a nonempty set G with binary
operation * s.t. G is associativity, there exists e in G s.t. e*a=a*e=a,
and there exists i in G s.t. i*b=b*i=e?).

System calls are implemented per-architecture.  You can see the list at
the bottom of arch/i386/kernel/entry.S.  There is about 290.

System calls are prefixed by "sys_".  Thus, read(2) is implemented in
the kernel as sys_read().  It, for example, can be found in
fs/read_write.c.

Hope this helps.

	Robert Love




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