What are the four conditions that MUST be present for deadlock to be possible?

1) Mutual exclusion Only one process may use a resource at a time No process may access a resource unit that has been allocated to another process.

2) Hold and Wait: a process may hold allocated resources while awaiting assignment of others

3) No preemption: no resources can forcibly removed from a process holding it

Answer rating: 100% (QA)

Conditions for Deadlock 1 M utual exclusion at least one process must be held in a nonsharable mode ... View the full answer