Image: Deadlock at a four-way-stop
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Description: Four processes (blue lines) concur for one resource (grey circle), following a right-before-left policy. A deadlock occurs when all processes lock the resource simultaneously (black lines). The deadlock can be resolved by breaking the symmetry.
Title: Deadlock at a four-way-stop
Credit: Own work
Author: Marble machine
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: http://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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