1 files changed, 39 insertions, 0 deletions

diff --git a/src/initrd/halt.montecarlo b/src/initrd/halt.montecarlo
new file mode 100755
index 0000000..67dac17
--- /dev/null
+++ b/src/initrd/halt.montecarlo
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+cmd=${0##*/}
+dashf=
+for arg in "$@"; do
+  case "$arg" in -*f*) dashf=1 ;; esac
+  case "$arg" in -*p*) [ "$cmd" = halt ] && cmd=poweroff ;; esac
+done
+
+[ "$dashf" ] || exec -a "$0" /sbin/halt.distrib "$@"
+
+read pids < /run/sendsigs.omit.d/samizdat
+for p in $pids; do
+  if [ -e /proc/$p/root -a ! /proc/$p/root -ef / ]; then
+    initramfs=/proc/$p/root
+    break
+  fi
+done
+
+panic()
+{
+  set -x
+  sync
+  exec -a "$0" /sbin/halt.distrib "$@"
+}
+
+[ "$initramfs" ] || panic
+
+cp /sbin/init $initramfs/telinit
+
+# Apparently, linux does not allow a direct bind mount of a file on
+# the initramfs.  Therefore, copy the file from the initramfs and bind
+# mount the copy.
+
+mount -o remount,exec /run
+cp $initramfs/lib/samizdat/init.shutdown /run/ && mount --bind /run/init.shutdown /sbin/init || panic
+
+echo $cmd -f > $initramfs/halt
+$initramfs/telinit u