20 int sync_with_child(union pipe read_pipe, union pipe write_pipe)  in sync_with_child()  argument
24 	FAIL_IF(write(write_pipe.write_fd, &c, 1) != 1);  in sync_with_child()
42 int notify_parent(union pipe write_pipe)  in notify_parent()  argument
46 	FAIL_IF(write(write_pipe.write_fd, &c, 1) != 1);  in notify_parent()
51 int notify_parent_of_error(union pipe write_pipe)  in notify_parent_of_error()  argument
55 	FAIL_IF(write(write_pipe.write_fd, &c, 1) != 1);  in notify_parent_of_error()
84 static int eat_cpu_child(union pipe read_pipe, union pipe write_pipe)  in eat_cpu_child()  argument
94 	notify_parent(write_pipe);  in eat_cpu_child()
105 	union pipe read_pipe, write_pipe;  in eat_cpu()  local
114 	if (pipe(write_pipe.fds) == -1)  in eat_cpu()
119 		exit(eat_cpu_child(write_pipe, read_pipe));  in eat_cpu()
121 	if (sync_with_child(read_pipe, write_pipe)) {  in eat_cpu()