Deadlock Page

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.

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Reader/Writer Problem

The readers-writers problem relates to an object such as a file that is shared between multiple processes. Some of these processes are readers i.e. they only want to read the data from the object and some of the processes are writers i.e. they want to write into the object.

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Producer/Consumer Problem

There is a fixed-size buffer and a Producer process, and a Consumer process. The Producer process creates an item and adds it to the shared buffer. The Consumer process takes items out of the shared buffer and "consumes" them.

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