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1.
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Your solution will extend or redisign the TOS that currently
prevents collisions.
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2.
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Detect deadlock and report it.
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3.
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Recover from deadlock by removing processes (trains).
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4.
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Recover from deadlock by removing resources (track).
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5.
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Avoid a deadlock state when possible.
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6.
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Prevent deadlock from occuring.
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7.
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All solutions will create a log file recording the state of the
system at each step taken for recovery, avoidance, etc.
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8.
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Modify the TOS initialization module so that it will prevent a
start-up that is deadlocked, or identify that it is initially
deadlocked.
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