On 5/17/07, Ratnadeep Joshi <ratn.josh@xxxxxxxxx> wrote:
A notifier chain is basically a chain of callback functions that are called
when a corresponding event has occurred. Events can vary from addition a
hoplug cpu to assignment of a network address.
There is a chain corresponding to each such event. Any one interested for an
event registers a callback function into the corresponding chain by calling
notifier_chain_register.
Thanks for the help, Ratan
Will look into that.
~psr
Have a look at this:
net/ipv6/addrconf.c
--------------------------------------snip------------------------
int register_inet6addr_notifier(struct notifier_block *nb)
{
return notifier_chain_register(&inet6addr_chain,
nb);
}
--------------------------------------snip------------------------
Regards,
- Ratnadeep
On 5/8/07, pradeep singh < 2500.pradeep@xxxxxxxxx> wrote:
>
> Hi All,
>
> While going through the code in kernel/sys.c and
> include/linux/notifier.h , i came across notifier chains in kernel
> 2.6.20.1 .
>
> What are notifier chains exactly and why do we need them in the networking
code?
> Is it a generic callback list? Or is it specific to the networking stack?
>
> Any help?
>
> Thanks
> ~psr
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