Summary of L-4.1: DEADLOCK concept | Example | Necessary condition | Operating System

00:00:00 - 00:10:00

This video explains how a deadlock can occur, and how each of the four conditions necessary for deadlock to occur are met. Mutual exclusion, no pre-emption, hold and wait, and circular wait are all necessary conditions, and if any one of them is not met, then the deadlock does not occur.

• 00:00:00 A deadlock is a situation in which two or more processes are waiting for an event that will never happen. Deadlock can occur when two processes are trying to access the same resource, or when two processes are trying to access the same mutex.
• 00:05:00 This video explains how a deadlock can occur, and how each of the four conditions necessary for deadlock to occur are met. Mutual exclusion, no pre-emption, hold and wait, and circular wait are all necessary conditions, and if any one of them is not met, then the deadlock does not occur.
• 00:10:00 The video explains the four conditions necessary for deadlock to occur, and how each condition is necessary for the deadlock to persist.