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race condition : FOLDOC
race condition
Anomalous behavior due to unexpected critical dependence on the relative timing of events.
For example, if one process writes to a file while another is reading from the same location then the data read may be the old contents, the new contents or some mixture of the two depending on the relative timing of the read and write operations.
A common remedy in this kind of race condition is {file locking}; a more cumbersome remedy is to reorganize the system such that a certain processes (running a daemon or the like) is the only process that has access to the file, and all other processes that need to access the data in that file do so only via interprocess communication with that one process.
As an example of a more subtle kind of race condition, consider a {distributed} chat network like IRC, where a user is granted channel-operator {privileges} in any channel he starts. If two users on different servers, on different ends of the same network, try to start th


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