What is deadlock explain with an example?

Two types of deadlocks can be considered: 1. Resource Deadlock. Occurs when processes are trying to get exclusive access to devices, files, locks, servers, or other resources. In Resource deadlock model, a process waits until it has received all the resources that it has requested.
A deadlock is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function. This led to the problem of the deadlock. Here is the simplest example: Program 1 requests resource A and receives it.
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. Hold and Wait: A process is holding at least one resource and waiting for resources.

what is deadlock how do you avoid it? In order to avoid deadlock, you have to acquire a lock in the fixed order. If process1 gets the lock on resource R1 and then R2, at the same time, process2 also tries to get the lock on resources in the same order as process1, i.e. On resource R1 and then R2 instead of R2 and then R1.

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