Scenario 1: First assume that the parent and the child send the signals only once, i. e.: parent sends to the child all signals included in lines: 150-157 and child send to the parent all signals included in lines: 180- 188 only. Q1 (5 pts) Which signals does the data structure sigismember consists of in both cases of parent and child process? Q2 (5 pts) Which signals may get blocked during handler execution and which during regular program execution? How is each signal that comes through, handled?