int remove_process(struct process_group *pgroup, int pid)
{
int hashkey = pid_hashfn(pid);
if (pgroup->proctable[hashkey] == NULL) return 1; //nothing to delete
struct list_node *node = (struct list_node*)locate_node(pgroup->proctable[hashkey], &pid);
if (node == NULL) return 2;
delete_node(pgroup->proctable[hashkey], node);
return 0;
}
void locate_node(bst *node, int data)
{
if(node == NULL)
return;
if(node->data == data)
{
printf("\nLocated node %d\n", data);
return;
}
if(data < node->data)
{
printf("\nGoing left of %d\n", node->data);
locate_node(node->left, data);
}
if(data >= node->data)
{
printf("\nGoing right of %d\n", node->data);
locate_node(node->right, data);
}
}
void trace_node(int data)
{
locate_node(root, data);
}
