#!/usr/bin/perl ################################################################################ # migrate-mdvonline-applet.pl # # # # Copyright (C) 2006 Mandriva # # # # Thierry Vignaud <tvignaud at mandriva dot com> # # # # This program is free software; you can redistribute it and/or modify # # it under the terms of the GNU General Public License Version 2 as # # published by the Free Software Foundation. # # # # 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, write to the Free Software # # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ################################################################################ use lib qw(/usr/lib/libDrakX); use standalone; # for explanations use MDK::Common; my $run_file = '/var/run/mdkapplet'; my $mode = $ARGV[0]; if (!-e $run_file) { # create the stamp file is needed: open(my $_tmp, '>>', $run_file); } else { # exit if we're asked to restart the applets twice in less than 30 seconds # (eg the trigger script is run by both removed and newly installed packages, # which can lead to applet crash on SIGHUP because of race condition): my $mtime = (stat($run_file))[9]; log::explanations("not restarting the applet (too many restart in a while)"); exit(0) if time() - $mtime < 30; } if ($mode eq 'new') { system('killall', '-HUP', 'mdkapplet'); } else { #my @lines = `ps -o '$p $u %c'`; my @lines = `ps -eo pid,user,cmd`; # we do not live process ps output in order not to account both old applets and newly started ones: foreach (@lines) { my ($pid, $user, $cmd) = /^\s*(\d+)\s*(\S*)\s*(.*)$/; # do not match su running mdkapplet: next if $cmd !~ /perl.*mdkapplet/; my ($DISPLAY) = grep { /^DISPLAY=/ } split('\0', cat_("/proc/$pid/environ")); $DISPLAY =~ s/^DISPLAY=//; log::explanations(qq(killing "$cmd" (pid=$pid))); kill 15, $pid; my $pid2 = fork(); if (defined $pid2) { local $ENV{DISPLAY} = $DISPLAY; !$pid2 and do { exec('su', $user, '-c', 'mdkapplet --auto-update') or do { require POSIX; POSIX::_exit() } }; log::explanations("restarting applet (pid=$pid2)"); } else { log::explanations(qq(failed to fork Mandriva Online applet for user "$user")); } } } my $atime = time(); utime(($atime) x 2, $run_file);