task_t *task_ref(task_id tid) {
task_t f = { tid };
lc_spin_lock(lock);
task_t *t = map_find(tasks, &f);
if (t) {
atomic_int_inc(&t->ref_count);
}
lc_spin_unlock(lock);
return t;
}
/**
* Cleanup the TTH cache by removing needless entries.
*/
void
tth_cache_cleanup(void)
{
if (0 == atomic_int_inc(&tth_cache_cleanups)) {
int id = thread_create(tth_cache_cleanup_thread,
NULL, THREAD_F_DETACH | THREAD_F_WARN, THREAD_STACK_MIN);
if (-1 == id)
atomic_int_dec(&tth_cache_cleanups);
} else if (debugging(0)) {
g_warning("%s(): concurrent cleanup in progress", G_STRFUNC);
atomic_int_dec(&tth_cache_cleanups);
}
}
