In an operating system, a deadlock occurs when a process or thread enters a waiting state because a requested system resource is held by another waiting process, which in turn is waiting for another resource held by another waiting process.
What is deadlock and its types?
Deadlock is a situation where a set of processes are blocked because each process is holding a resource and waiting for another resource acquired by some other process. ... A similar situation occurs in operating systems when there are two or more processes that hold some resources and wait for resources held by other(s).
What are the types of deadlock in OS?
Process Deadlocks in Operating System
- Coffman Conditions. A deadlock occurs if the four Coffman conditions hold true. ...
- Deadlock Detection. A deadlock can be detected by a resource scheduler as it keeps track of all the resources that are allocated to different processes. ...
- Deadlock Prevention. ...
- Deadlock Avoidance.
