If a thread sleeps after acquiring a _________, it blocks all other threads that want to acquire it.
A)condition
B)signal
C)lock
D)thread

Question

Quizplus · Accepted Answer

Sleeping after acquiring a lock means that the thread still holds onto the lock, so any other thread that wants to acquire the same lock will be blocked until the lock is released. Condition variables and signals are used for inter-thread communication and do not affect other threads' ability to acquire locks. Threads are not objects that can be acquired, so option D is also incorrect.

If a Thread Sleeps After Acquiring a _________, It Blocks