A critical section is a program segment ________.
1
which should run in a certain specified amount of time
2
which avoids deadlocks
3
where shared resources are accessed
4
which must be enclosed by a pair of semaphore operations, P and V
A critical section is a program segment ________.
which should run in a certain specified amount of time
which avoids deadlocks
where shared resources are accessed
which must be enclosed by a pair of semaphore operations, P and V