rite a daemon that runs a speci?ed command and monitors its health. If the command exits because of a signal, then have the daemon log a warning message and restart the command. To test the daemon, have it monitor the program shown in Figure38. Be awarethat to tell the daemon the command to monitor,you can’t type something like
because once the daemon calls the daemonize function (Figure13.1), it will be running in the root directory,and won’t be able to ?nd./testcommand.
the daemon is shown in Figure39. Note that the logging functions from Appendix B allow us to log only error messages. To log a warning message, we must callsyslog(3) directly
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Which of the following prints the address of character string string given the following declaration? char * string = "test";
a. cout << string; b. cout << *&string; c. cout << static_cast< void * >( string ); d. cout << * string;
Which of the following statements about descriptive statistics is false?
a. The minimum is the smallest value in a collection of values. b. The range is the values starting with the minimum and ending with the max-imum. c. The count is the number of values in a collection. d. Measures of dispersion (also called measures of variability), such as count, help determine how spread out values are.
Using the saved output, describe the time interval between each ARP Request issued by PC1. Describe the method used by ARP to determine the time between retransmissions of an unsuccessful ARP Request. Include relevant data to support your answer.
What will be an ideal response?
What is the purpose of the method getMessage() when used with exception handling?
What will be an ideal response?