On Mon, Aug 31, 2015 at 02:37:07PM +0200, Patrik Jakobsson wrote:
[...]
> Here's my take on it (I assume it needs some discussion):
>
> int
> set_tcb_priv_data(struct tcb *tcp, void *priv_data)
> {
> /* A free callback is required before setting private data and private
> * data must be set back to NULL before being set again.
> */
I think a single function initializing both _priv_data and _free_priv_data
would suffice:
int
set_tcb_priv_data(struct tcb *tcp, void *priv_data,
void (*free_priv_data)(void *))
{
if (tcp->_priv_data)
return -1;
tcp->_free_priv_data = free_priv_data;
tcp->_priv_data = priv_data;
return 0;
}
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