The-exclusion problem is a variant of the starvation-free mutual exclusion problem with two changes: Up to threads may be in the critical section at the same time, and fewer than threads might fail...

The-exclusion problem is a variant of the starvation-free mutual

exclusion problem with two changes: Up to threads may be in the critical section at the same time, and fewer than threads might fail (by halting) in the critical section. An implementation must satisfy the following conditions: