1all: requestor grantor 1fifo 2fifo 2 chmod +x down run 3 4requestor: requestor.c inc.h 5 cc -static -o $@ $< -lsys 6 7grantor: grantor.c inc.h 8 cc -static -o $@ $< -lsys 9 101fifo 2fifo: 11 mkfifo $@ 12 13run: all 14 sh run 15 16kill: 17 sh down 18 19clean: 20 rm -f grantor requestor 1fifo 2fifo 21 22