kernel/slab/Slab.cpp

196 _IsMagazineEmpty(BaseDepot::Magazine *magazine)
198 	return magazine->current_round == 0;
203 _IsMagazineFull(BaseDepot::Magazine *magazine)
205 	return magazine->current_round == magazine->round_count;
210 _PopMagazine(BaseDepot::Magazine *magazine)
212 	return magazine->rounds[--magazine->current_round];
217 _PushMagazine(BaseDepot::Magazine *magazine, void *object)
219 	if (_IsMagazineFull(magazine))
221 	magazine->rounds[magazine->current_round++] = object;
267 	// In a nutshell, we try to get an object from the loaded magazine
268 	// if it's not empty, or from the previous magazine if it's full
269 	// and finally from the Slab if the magazine depot has no full magazines.
292 	// We try to add the object to the loaded magazine if we have one
294 	// the magazine depot doesn't provide us with a new empty magazine
330 BaseDepot::_ExchangeWithFull(Magazine* &magazine)
340 	SListPush(fEmpty, magazine);
341 	magazine = SListPop(fFull);
347 BaseDepot::_ExchangeWithEmpty(Magazine* &magazine)
359 	if (magazine) {
360 		SListPush(fFull, magazine);
364 	magazine = SListPop(fEmpty);
370 BaseDepot::_EmptyMagazine(Magazine *magazine)
372 	for (uint16_t i = 0; i < magazine->current_round; i++)
373 		ReturnObject(magazine->rounds[i]);
374 	_FreeMagazine(magazine);
381 	Magazine *magazine = (Magazine *)malloc(sizeof(Magazine)
383 	if (magazine) {
384 		magazine->next = NULL;
385 		magazine->current_round = 0;
386 		magazine->round_count = kMagazineCapacity;
389 	return magazine;
394 BaseDepot::_FreeMagazine(Magazine *magazine)
396 	free(magazine);