When the state for a dispatcher object moves to signaled, the Windows kernel
A) moves all threads waiting on that object to ready state if the dispatcher object is a mutex object.
B) moves a fixed number of threads (possibly greater than one) waiting on that object to ready state if the dispatcher object is a mutex object.
C) moves all threads waiting on that object to ready state if the dispatcher object is an event object.
D) moves a fixed number of threads (possibly greater than one) waiting on that object to ready state if the dispatcher object is an event object.

Question

Quizplus · Accepted Answer

When the state for an event object moves to signaled, the Windows kernel moves all threads waiting on that object to ready state. This is because event objects are used for synchronization in which one or more threads wait for a specific event to occur and then respond accordingly. Once the event occurs, all waiting threads are notified simultaneously.

When the State for a Dispatcher Object Moves to Signaled