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| Problems with |
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| Concurrent Execution |
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| ä | Concurrent
processes (or threads) often |
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| need
to share data (maintained either in |
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| shared
memory or files) and resources |
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| ä | If
there is no controlled access to shared |
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| data,
some processes will obtain an |
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| inconsistent
view of this data |
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| ä | The
action performed by concurrent |
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| processes
will then depend on the order in |
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| which
their execution is interleaved |
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