Provides a shell script that restarts stage2 anaconda by killing it along
with everything it has spwawned (X server, metacity).
This also needs some support by the loader.
---
loader/loader.c | 22 ++++++++++++------
scripts/Makefile.am | 3 ++
scripts/restart-anaconda | 55 ++++++++++++++++++++++++++++++++++++++++++++++
scripts/upd-instroot | 1 +
4 files changed, 74 insertions(+), 7 deletions(-)
create mode 100755 scripts/restart-anaconda
diff --git a/loader/loader.c b/loader/loader.c
index 84fd116..6a701e4 100644
--- a/loader/loader.c
+++ b/loader/loader.c
@@ -1712,6 +1712,13 @@ void loaderUsrXHandler(int signum) {
init_sig = signum;
}
+int restart_anaconda() {
+ if (access("/tmp/restart_anaconda", R_OK))
+ return 0;
+ puts("Restarting Anaconda.");
+ return 1;
+}
+
static int anaconda_trace_init(void) {
#ifdef USE_MTRACE
setenv("MALLOC_TRACE","/malloc",1);
@@ -2336,14 +2343,15 @@ int main(int argc, char ** argv) {
}
printf(fmt, VERSION, getProductName());
- if (!(pid = fork())) {
- if (execv(anacondaArgs[0], anacondaArgs) == -1) {
- fprintf(stderr,"exec of anaconda failed: %m\n");
- doExit(1);
+ do {
+ if (!(pid = fork())) {
+ if (execv(anacondaArgs[0], anacondaArgs) == -1) {
+ fprintf(stderr,"exec of anaconda failed: %m\n");
+ doExit(1);
+ }
}
- }
-
- waitpid(pid, &status, 0);
+ waitpid(pid, &status, 0);
+ } while (restart_anaconda());
if (!WIFEXITED(status) || (WIFEXITED(status) && WEXITSTATUS(status))) {
rc = 1;
diff --git a/scripts/Makefile.am b/scripts/Makefile.am
index 9ca8b1a..187d4c6 100644
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -28,4 +28,7 @@ dist_noinst_SCRIPTS = getlangnames.py upd-bootimage upd-initrd upd-kernel \
analogdir = $(libexecdir)/$(PACKAGE_NAME)
dist_analog_SCRIPTS = analog
+stage2scriptsdir = $(datadir)/$(PACKAGE_NAME)
+dist_stage2scripts_SCRIPTS = restart-anaconda
+
MAINTAINERCLEANFILES = Makefile.in
diff --git a/scripts/restart-anaconda b/scripts/restart-anaconda
new file mode 100755
index 0000000..aed4758
--- /dev/null
+++ b/scripts/restart-anaconda
@@ -0,0 +1,55 @@
+#! /bin/bash
+#
+# restart-anaconda: Debugging tool to restart stage2 Anaconda.
+#
+# Copyright (C) 2010
+# Red Hat, Inc. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+RESTART_FILE=/tmp/restart_anaconda
+LOADER_PID=`cat /var/run/loader.run`
+ANACONDA_PID=`cat /var/run/anaconda.pid`
+
+descendants() {
+ PID=$1
+ DIRECT=`ps --ppid $PID -o pid=`
+ INDIRECT=''
+ for child in $DIRECT; do
+ INDIRECT+=' '`descendants $child`
+ done
+ # prepend grandchildren, we are goingt to kill them first
+ DESCENDANTS=$INDIRECT' '$DIRECT
+ echo $DESCENDANTS
+}
+
+anaconda_descendants() {
+ descendants $ANACONDA_PID
+}
+
+# this is how loader knows it should restart stuff
+touch $RESTART_FILE
+
+# kill all anaconda descendants and anaconda itself
+RESTART_VICTIMS=`anaconda_descendants`
+RESTART_VICTIMS+=' '$ANACONDA_PID
+echo "killing processes: " $RESTART_VICTIMS
+for child in $RESTART_VICTIMS; do
+ kill -s KILL $child &>/dev/null
+done
+
+# give loader some time to pick up the restart file
+sleep 1
+rm -f $RESTART_FILE
diff --git a/scripts/upd-instroot b/scripts/upd-instroot
index 8d1d6a5..6abba39 100755
--- a/scripts/upd-instroot
+++ b/scripts/upd-instroot
@@ -1081,6 +1081,7 @@ cp $DEST/usr/share/anaconda/losetup-stub $DEST/usr/bin/losetup
cp $DEST/usr/share/anaconda/list-harddrives-stub $DEST/usr/bin/list-harddrives
cp $DEST/usr/share/anaconda/loadkeys-stub $DEST/usr/bin/loadkeys
cp $DEST/usr/share/anaconda/mknod-stub $DEST/usr/bin/mknod
+cp $DEST/usr/share/anaconda/restart-anaconda $DEST/usr/bin/restart-anaconda
mv $DEST/usr/sbin/anaconda $DEST/usr/bin/anaconda
mv $DEST/usr/$LIBDIR/python?.?/site-packages/pyanaconda/sitecustomize.py $DEST/usr/$LIBDIR/python?.?/site-packages
--
1.6.6
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