int runTestCase(CASE* c, linked_list* list) {
int retval = 0;
switch(c->op) {
case ADD_FRONT:
retval = addToHead(list, &(c->value));
break;
case ADD_BACK:
retval = addToTail(list, &(c->value));
break;
case REMOVE_FRONT:
retval = *((int*) removeFromHead(list));
break;
case REMOVE_BACK:
retval = *((int*) removeFromTail(list));
break;
case SIZE:
retval = list -> size;
break;
}
if (retval != c->expected) {
printf("failure, want %d, got %d\n", c->expected, retval);
return FAILURE;
}
return SUCCESS;
}
void* testConsumer(void* llist) {
linked_list* list = (linked_list*) llist;
for (int i = 0; i < 5; i++) {
int* num = removeFromHead(list);
free(num);
sleep(1);
}
}
RC shutdownBufferPool(BM_BufferPool *const bm) {
// Flush the pool
RC flushResult = forceFlushPool(bm);
if (flushResult != RC_OK) {
return flushResult;
}
// Retrieve management data
BM_MgmtData *mgmtData = bm->mgmtData;
BM_Frame *frame = &mgmtData->framePool[0];
// Check for pinned pages
int i;
for (i = 0; i < bm->numPages; i++) {
if (frame->fixCount != 0) {
return RC_FRAME_PINNED_PAGE;
}
frame++;
}
// Close storage manager details
RC pageCloseResult = closePageFile(&mgmtData->fh);
if (pageCloseResult != RC_OK) {
return pageCloseResult;
}
// Free memory and lists
// Free frames
for (i = 0; i < bm->numPages; i++) {
free(mgmtData->framePool[i].memPage);
}
// Free frame pool
free(mgmtData->framePool);
// Free linked list nodes
BM_Node *freeHead = mgmtData->head;
while (freeHead != NULL) {
freeHead = removeFromHead(&mgmtData->head);
if (freeHead != NULL) {
free(freeHead);
}
}
// Free mgmt data
free(bm->mgmtData);
// Free buffer pool
free(bm->pageFile);
return RC_OK;
}
void pop(TableManager *tableManager, Pager *dp, int pageno)
{
if (dp->prev==0 && dp->next==0)
return;
if (pageno == tableManager->pageNo){
removeFromHead(tableManager, dp, pageno);
}
else if (dp->next == 0){
removeFromTail(tableManager, dp, pageno);
}
else if (dp->next != 0 && dp->prev != 0){
removeFromMiddle(tableManager, dp, pageno);
}
}
void flush(linked_list* ll) {
while(removeFromHead(ll)==0);
}
// Method to pop an item from the stack
TCListNode* pop() { return removeFromHead(); };
