202 pid_t mypid = 0;  variable
251 				       mypid, -child_checklist[cnt].pid);  in main()
260 				       mypid, child_signal_counter, num_pgrps);  in main()
298 	mypid = getpid();  in setup()
303 		printf("%d: setting SIGTRAP -> SIG_DFL\n", mypid);  in setup()
306 		printf("%d: setting SIGCONT -> SIG_DFL\n", mypid);  in setup()
311 		printf("%d: setting SIGALRM -> set_create_procs\n", mypid);  in setup()
318 		printf("%d: setting SIGUSR1 -> ack_ready\n", mypid);  in setup()
325 		printf("Master: %d\n", mypid);  in setup()
330 			     mypid, pgrps_ready, num_pgrps);  in setup()
354 		printf("%d: setting SIGALRM -> wakeup\n", mypid);  in setup()
361 		printf("%d: setting SIGUSR2 -> ack_done\n", mypid);  in setup()
376 				printf("%d: ack_ready, SIGUSR1 -> %d\n", mypid,  in ack_ready()
384 				       mypid, si->si_pid);  in ack_ready()
403 				printf("%d: ack_done, SIGHUP -> %d\n", mypid,  in ack_done()
410 				printf("%d: ack_done, already told %d\n", mypid,  in ack_done()
446 			 mypid, errno, strerror(errno));  in fork_pgrps()
451 			printf("%d: forking new Manager\n", mypid);  in fork_pgrps()
458 			mypid = getpid();  in fork_pgrps()
467 				printf("%d: fork_pgrps, SIGALRM -> %d\n", mypid,  in fork_pgrps()
498 			       mypid);  in manager()
509 		printf("%d: setting SIGHUP -> SIG_IGN\n", mypid);  in manager()
515 		printf("%d: setting SIGALRM -> wakeup\n", mypid);  in manager()
521 		printf("%d: setting SIGQUIT -> graceful_exit\n", mypid);  in manager()
528 		printf("%d: setting SIGUSR1 -> set_signal_parents\n", mypid);  in manager()
533 		printf("%d: setting SIGUSR2 -> clear_signal_parents\n", mypid);  in manager()
544 		printf("%d: setting SIGALRM -> wakeup\n", mypid);  in manager()
549 		printf("%d: setting SIGUSR1 -> set_confirmed_ready\n", mypid);  in manager()
554 		printf("%d: setting SIGHUP -> reset_counter\n", mypid);  in manager()
562 		printf("%d: setting SIGUSR2 -> reply_to_child\n", mypid);  in manager()
568 			printf("%d: Manager, SIGUSR1 -> %d\n", mypid,  in manager()
573 			       mypid, getppid(), errno, strerror(errno));  in manager()
584 			       mypid, child_signal_counter, num_procs);  in manager()
589 			       mypid, child_signal_counter);  in manager()
593 					       mypid, getppid());  in manager()
597 					       mypid, getppid(), errno,  in manager()
616 		printf("%d: Child start signaling\n", mypid);  in set_signal_parents()
623 		printf("%d: Child stop signaling\n", mypid);  in clear_signal_parents()
631 		printf("%d: Manager confirmed ready\n", mypid);  in set_confirmed_ready()
640 		printf("%d: reset_counter\n", mypid);  in reset_counter()
655 				       mypid, si->si_pid);  in reply_to_child()
662 				       mypid, si->si_pid);  in reply_to_child()
685 			 mypid, errno, strerror(errno));  in fork_procs()
694 			printf("%d: forking new child\n", mypid);  in fork_procs()
701 			mypid = getpid();  in fork_procs()
705 					printf("%d: child pausing\n", mypid);  in fork_procs()
720 						       mypid, getppid());  in fork_procs()
725 						       mypid, getppid(), errno,  in fork_procs()