From df52dd03d51f1728f15db0d89df54532811c1870 Mon Sep 17 00:00:00 2001 From: Guillaume Cottenceau Date: Mon, 11 Jun 2001 21:38:14 +0000 Subject: umount as much as possible before rebooting the rescue --- rescue/tree/etc/inittab | 2 +- rescue/tree/sbin/fakeshutdown | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+), 1 deletion(-) create mode 100755 rescue/tree/sbin/fakeshutdown diff --git a/rescue/tree/etc/inittab b/rescue/tree/etc/inittab index 0ee36784f..0348c66f4 100644 --- a/rescue/tree/etc/inittab +++ b/rescue/tree/etc/inittab @@ -4,7 +4,7 @@ id:3:initdefault: si::sysinit:/etc/rc.sysinit re:6:wait:/etc/rc.reboot -ca:12345:ctrlaltdel:/sbin/init 6 +ca:12345:ctrlaltdel:/sbin/fakeshutdown 1:12345:respawn:/bin/bash --login 2:23:respawn:/sbin/mingetty tty2 diff --git a/rescue/tree/sbin/fakeshutdown b/rescue/tree/sbin/fakeshutdown new file mode 100755 index 000000000..c6d9b8440 --- /dev/null +++ b/rescue/tree/sbin/fakeshutdown @@ -0,0 +1,39 @@ +#!/usr/bin/perl + +# +# Guillaume Cottenceau (gc@mandrakesoft.com) +# +# Copyright 2001 MandrakeSoft +# +# This software may be freely redistributed under the terms of the GNU +# public license. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +# + +sub cat_ { local *F; open F, $_[0] or $_[1] ? die "cat of file $_[0] failed: $!\n" : return; my @l = ; wantarray ? @l : join '', @l } + +print "\n"; + + +#- try to umount as much as possible; uses Pixel's ultra optimized algo (let you guess how it works..) +print "Umounting:\n"; +my @mounts = cat_('/proc/mounts'); +my $something_moved; +do { + $something_moved = 0; + foreach (@mounts) { + my $where = (split)[1]; + next if $where eq '/'; #- ouch! umounting the ramdisk on / always succeeds, and makes it becoming ro :-( + if (!system("umount $where 2>/dev/null")) { + print "\t$where\n"; + $something_moved++; + } + } +} while $something_moved; + + +#- shutdown with init +exec '/sbin/init', 6; -- cgit v1.2.1