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Definition of "Race Condition" |
defines a condition when a device's output depends on two or more nearly simultaneous events to occur at the input. Logic Race Conditions. / A race condition or race hazard is the behavior of an electronic or software system where the output is dependent on the sequence or timing of other uncontrollable events. It becomes a bug when events do not happen in the order the programmer intended. The term originates with the idea of two signals racing each other to influence the output first. / A race condition is an undesirable situation that occurs when a device or system attempts to perform two or more operations at the same time, but because of the nature of the device or system, the operations must be done in the proper sequence in order to be done correctly.In computer memory or storage, a race condition may occur if commands to read and write a large amount of data are received at almost the same instant, and the machine attempts to overwrite some or all of the old data while that old data is still being read. The result may be one or more of the following: a computer crash, an "illegal operation," notification and shutdown of the program, errors reading the old data, or errors writing the new data. This can be prevented by serialization of memory or storage access, such that if read and write commands are received close together, the read command is executed and completed first, by default. / Radar Target Simulator-RF from Mistral is capable of simulating target echo in the various radar bands. / a situation where multiple processes access and manipulate shared data with the outcome dependent on the relative timing of these processes. |
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