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Diffstat (limited to 'rescue/tree/sbin/fakeshutdown')
-rwxr-xr-x | rescue/tree/sbin/fakeshutdown | 39 |
1 files changed, 39 insertions, 0 deletions
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 = <F>; 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; |