push_front_unlocked
Description:
Pushes the item
into the this.
item
must not be null. In contrast to
push_unlocked, this function pushes the new item ahead of the items
already in the queue, so that it will be the next one to be popped off the queue.
This function must be called while holding the this's lock.
Parameters:
this | |
item |
data to push into the this |