I'm looking at Bruno's data structure modules, in particular
linked-list, and consider using it to hold the information related to
all open fd's handled by select() in GnuTLS's gnutls-serv. One
important feature of our current implementation is that I can register
my custom "free" function, which can do more things than just memory
deallocation:
static void
listener_free (listener_item * j)
{
if (j->http_request)
free (j->http_request);
if (j->http_response)
free (j->http_response);
if (j->fd >= 0)
{
gnutls_bye (j->tls_session, GNUTLS_SHUT_WR);
shutdown (j->fd, 2);
close (j->fd);
gnutls_deinit (j->tls_session);
}
}
This function is invoked for each list item that for any reason is
being removed from the list. Is it possible to do this with the
linked-list module? By reading gl_anylinked_list2.h it appear as
de-allocating a list item is pretty hard coded, and several function
do 'free' on it.
I imagine some function to register a "free"-handler, and it would be
used by all other functions that want to de-allocate a particular
node.
Thoughts?
/Simon
