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SignalsAssignment

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									M. Tech. in Computer Engineering Advanced Operating System Assignment 2
February 10, 2008

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Theory Questions
1. Is it accurate to say that a synchronous event will occuar at the same place every time a program is run? 2. Linux only records one outstanding instance of each signal. Investigate the extensions introduced in POSIX.4 to overcome this defieciency. 3. How does Linux remember that a blocked signal is pending? 4. What is the difference between ignoring a signal and blocking it? 5. Decidein which scenarios you will use signals for communicating to the programmer. (a) Someone tries to set the capacity of a PAssengerVehicle object to a negative value. (b) A syntax error is found in a configuration file that an object uses to set its initial value. (c) A method that searches for programme-specified word in a string array can not find any occurance of the word.

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