A lock control apparatus includes a control unit that controls acquisition of a lock for using a shared resource shared among a plurality of tasks by a task according to first lock information that indicates whether to permit the tasks to acquire the lock, and a determining unit that determines whether there is a conflict of requests for acquisition of the lock by the tasks, wherein when the determining unit determines that there is a conflict of requests for acquisition of the lock, the control unit controls acquisition of the lock by the tasks according to second lock information that indicates whether to permit acquisition of the lock when there is a conflict.