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| -rwxr-xr-x | extra/restart-radharc | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/extra/restart-radharc b/extra/restart-radharc new file mode 100755 index 0000000..49b40f2 --- /dev/null +++ b/extra/restart-radharc @@ -0,0 +1,55 @@ +#!/bin/sh + +# Copyright © 2016 Mattias Andrée <maandree@member.fsf.org> +# +# 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 3 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/>. + +# DEPENDENCIES: findutils, coreutils, sed, util-linux, linux, sh + +# Frequent international traveller? Set up cron to run this every +# now and then. It will restart all your instances of radharc, and +# if you have a custom script in $PATH named radharc (as your should +# have) that figures out your location and starts radharc, radharc +# will br aware of your no location. + + +# Close all file descriptors (except stderr,) so that radharc does not inherity any. +for fd in $(ls -1 /dev/fd/); do + if [ ! "$fd" = 2 ]; then + eval "exec ${fd}<&-"; + fi +done + +# Restart all instances of radharc. +for pid in pgrep -x radharc; do + # Open environ and cmdline and be sure that they we successfully opened. + exec 3<proc/"$pid"/environ + if [ ! $? = 0 ]; then + continue + fi + exec 4<proc/"$pid"/cmdline + if [ ! $? = 0 ]; then + continue + fi + + # Restart radharc + (<&3 cat + printf 'radharc\x00' + <&4 xargs -0 printf '%s\n' | sed 1d | grep -v '^-n$' | xargs printf '%s\x00' + printf '%s\x00' '-n' + exec 3<&- + exec 4<&- + ) | (kill -KILL "$pid" ; exec xargs -0 setsid env -i -- <>/dev/null 2>/dev/null &) +done + |