//printf("((0))");fflush(stdout);
while ((fd_in = open(top_in_file, O_WRONLY| O_NONBLOCK)) < 0) {
fprintf(stderr, "Waiting for %s (%s)\n", top_in_file,strerror(errno));
//printf("((0))");fflush(stdout);
while ((fd_in = open(top_in_file, O_WRONLY| O_NONBLOCK)) < 0) {
fprintf(stderr, "Waiting for %s (%s)\n", top_in_file,strerror(errno));