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What are the methods for handling deadlocks?
The deadlock problem can be dealt with in one of the three ways:
a. Use a protocol to prevent or avoid deadlocks, ensuring that the system will never enter a deadlock state.
b. Permit the system to enter the deadlock state, detect it and then recover.
c. Ignore the problem all together, and pretend that deadlocks never happen in the system.
Deadlocks can be detected while the program is running, by running cycle detection algorithms on the graph that de?nes the current use of resources. De?ne this graph as follows:
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