High-Level Synchronization

Question 1

Monitors

Answer 1

• Provide simplified paradigm for some synchronization problems
• Abstract Data Type – like a structure or class – with functions and private data

Question 2

The key attribute of a monitor

Answer 2

It can be accessed only by one thread at a time

Question 3

Methods of a monitor

Answer 3

All the methods of a monitor are executed with mutual exclusion. So at most one thread can execute a method of the monitor at the same time.

Question 4

MONITOR WITH CONDITION VARIABLES

Answer 4

Condition variables are used when:
– a thread is running in a monitor.
– encounters a condition that is not satisfied, which can only be satisfied by another thread