lockfd            906 maint/gnulib/lib/mountlist.c     int lockfd = -1;
lockfd            916 maint/gnulib/lib/mountlist.c     lockfd = open (MNTTAB_LOCK, O_RDONLY | O_CLOEXEC);
lockfd            917 maint/gnulib/lib/mountlist.c     if (0 <= lockfd)
lockfd            924 maint/gnulib/lib/mountlist.c         while (fcntl (lockfd, F_SETLKW, &flock) == -1)
lockfd            928 maint/gnulib/lib/mountlist.c               close (lockfd);
lockfd            964 maint/gnulib/lib/mountlist.c     if (0 <= lockfd && close (lockfd) != 0)