5.1.1 A Simple Example( 2/4 Uniprocessor Process p1 Process p2 chin getchar(ix chou chini chin getchar()iY putchar(chou)i ch。ut=chin; putchar(chou)i11 5.1.1 A Simple Example（2/4) . chin = getchar(); chout = chin; . putchar(chout); . . . Process P2 . . . chin = getchar(); . chout = chin; putchar(chout); . Process P1 . Uniprocessor: Y X