K_STORE *_k_free_store(K_STORE *store, KLIST_FFL_ARGS)
{
_CHKLIST(store, "store");
if (!(store->is_store)) {
quithere(1, "Store %s can't %s() the list" KLIST_FFL,
store->name, __func__, KLIST_FFL_PASS);
}
if (store->master->lock == NULL)
store->master->stores--;
else {
K_WLOCK(store->master);
// unlink store from the list
if (store->prev_store)
store->prev_store->next_store = store->next_store;
if (store->next_store)
store->next_store->prev_store = store->prev_store;
// correct the head if we are the head
if (store->master->next_store == store)
store->master->next_store = store->next_store;
store->master->stores--;
K_WUNLOCK(store->master);
}
free(store);
return NULL;
}
K_STORE *_k_new_store(K_LIST *list, bool gotlock, KLIST_FFL_ARGS)
{
K_STORE *store;
CHKLIST(list);
store = calloc(1, sizeof(*store));
if (!store)
quithere(1, "Failed to calloc store for %s", list->name);
store->master = list;
store->is_store = true;
store->lock = NULL;
store->name = list->name;
store->do_tail = list->do_tail;
store->prev_store = NULL;
// Only tracked for lists with a lock
if (store->master->lock == NULL) {
store->next_store = NULL;
store->master->stores++;
} else {
if (!gotlock)
K_WLOCK(list);
// In the master list, next is the head
if (list->next_store)
list->next_store->prev_store = store;
store->next_store = list->next_store;
list->next_store = store;
list->stores++;
if (!gotlock)
K_WUNLOCK(list);
}
return store;
}
bool isdupnonce(struct cgpu_info *cgpu, struct work *work, uint32_t nonce)
{
struct dupdata *dup = (struct dupdata *)(cgpu->dup_data);
struct timeval now;
bool unique = true;
K_ITEM *item;
if (!dup)
return false;
cgtime(&now);
dup->checked++;
K_WLOCK(dup->nfree_list);
item = dup->nonce_list->tail;
while (unique && item) {
if (DATAN(item)->work_id == work->id && DATAN(item)->nonce == nonce) {
unique = false;
applog(LOG_WARNING, "%s%d: Duplicate nonce %08x",
cgpu->drv->name, cgpu->device_id, nonce);
} else
item = item->prev;
}
if (unique) {
item = k_unlink_head(dup->nfree_list);
DATAN(item)->work_id = work->id;
DATAN(item)->nonce = nonce;
memcpy(&(DATAN(item)->when), &now, sizeof(now));
k_add_head(dup->nonce_list, item);
}
item = dup->nonce_list->tail;
while (item && tdiff(&(DATAN(item)->when), &now) > dup->timelimit) {
item = k_unlink_tail(dup->nonce_list);
k_add_head(dup->nfree_list, item);
item = dup->nonce_list->tail;
}
K_WUNLOCK(dup->nfree_list);
if (!unique)
dup->dup++;
return !unique;
}