/*
* __split_safe_free --
* Free a buffer if we can be sure no thread is accessing it, or schedule
* it to be freed otherwise.
*/
static int
__split_safe_free(WT_SESSION_IMPL *session, int exclusive, void *p, size_t s)
{
/*
* We have swapped something in a page: if we don't have exclusive
* access, check whether there are other threads in the same tree.
*/
if (!exclusive &&
__split_oldest_gen(session) == S2C(session)->split_gen + 1)
exclusive = 1;
if (exclusive) {
__wt_free(session, p);
return (0);
}
return (__split_stash_add(session, p, s));
}
/*
* __split_safe_free --
* Free a buffer if we can be sure no thread is accessing it, or schedule
* it to be freed otherwise.
*/
static int
__split_safe_free(WT_SESSION_IMPL *session,
uint64_t split_gen, bool exclusive, void *p, size_t s)
{
/* We should only call safe free if we aren't pinning the memory. */
WT_ASSERT(session, session->split_gen != split_gen);
/*
* We have swapped something in a page: if we don't have exclusive
* access, check whether there are other threads in the same tree.
*/
if (!exclusive && __split_oldest_gen(session) > split_gen)
exclusive = true;
if (exclusive) {
__wt_free(session, p);
return (0);
}
return (__split_stash_add(session, split_gen, p, s));
}
