Ubuntu manuals

Provided by: linux-doc-2.6.15_2.6.15-23.39_all

NAME

       notifier_call_chain - Call functions in a notifier chain

SYNOPSIS

       int __kprobes notifier_call_chain  (struct notifier_block ** n,
                                             unsigned long val, void * v);

ARGUMENTS

       n      Pointer to root pointer of notifier chain

       val    Value passed unmodified to notifier function

       v      Pointer passed unmodified to notifier function

DESCRIPTION

       Calls each function in a notifier chain in turn.

       If the return value of the notifier can be and’d with NOTIFY_STOP_MASK,
       then notifier_call_chain will return immediately, with the return value
       of the notifier function which halted execution. Otherwise, the  return
       value is the return value of the last notifier function called.