5.1.1 A Simple Example( 3/4 Uniprocessor Process p1 Process p2 chin getchar (ix chin getchar()iY chou七 chin putchar(shout)i ch。ut=chin; putchar(chou)i12 5.1.1 A Simple Example（3/4) . chin = getchar(); . . . chout = chin; putchar(chout); . Process P2 . . chin = getchar(); chout = chin; putchar(chout); . . . Process P1 . Uniprocessor: X Y