203 static int dev_lock_fd;  variable
3922 	dev_lock_fd = open(dev_lockfile, O_CREAT|O_RDWR, 0644);  in enter_dev_lock()
3923 	if (dev_lock_fd < 0) {  in enter_dev_lock()
3935 	if (fcntl(dev_lock_fd, F_SETLK, &lock) == -1) {  in enter_dev_lock()
3938 			n = read(dev_lock_fd, &pid, sizeof (pid_t));  in enter_dev_lock()
3941 			if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) {  in enter_dev_lock()
3959 			if (fcntl(dev_lock_fd, F_SETLKW, &lock) == -1) {  in enter_dev_lock()
3970 	n = read(dev_lock_fd, &pid, sizeof (pid_t));  in enter_dev_lock()
3977 	if (lseek(dev_lock_fd, 0, SEEK_SET) == (off_t)-1) {  in enter_dev_lock()
3983 	n = write(dev_lock_fd, &pid, sizeof (pid_t));  in enter_dev_lock()
4015 	if (fcntl(dev_lock_fd, F_SETLK, &unlock) == -1) {  in exit_dev_lock()
4021 	if (close(dev_lock_fd) == -1) {  in exit_dev_lock()