DEMO4 is not used for SIGUSR2 REPORT is used for SIGUSR1 Diagnostics report. Reseting globals raising application's diagnostic level. lowering application's diagnostic level. Error on signal: 10 - No function exists for 'BOGUS' demonstration 1 running. demonstration 2 running. demonstration 3 running. Error on signal: 12 - No function exists for 'DEMO4' Diagnostics report. Reseting globals raising application's diagnostic level. Error on signal: 10 - No function exists for 'BOGUS' lowering application's diagnostic level. demonstration 1 running. demonstration 2 running. demonstration 3 running. Error on signal: 12 - No function exists for 'DEMO4' - End of Figure -