diff options
Diffstat (limited to 'usr.bin/killall/killall.pl')
| -rwxr-xr-x | usr.bin/killall/killall.pl | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/usr.bin/killall/killall.pl b/usr.bin/killall/killall.pl new file mode 100755 index 0000000..e6a58b5 --- /dev/null +++ b/usr.bin/killall/killall.pl @@ -0,0 +1,103 @@ +#!/usr/bin/perl +# +# Copyright (c) 1995 Wolfram Schneider <wosch@cs.tu-berlin.de> +# All rights reserved. Alle Rechte vorbehalten. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. All advertising materials mentioning features or use of this software +# must display the following acknowledgement: +# This product includes software developed by Wolfram Schneider +# 4. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# killall - kill all processes +# +# Note: work only with effective uid due the limit of procfs +# (eg. not with suid programs) +# +# $Id: killall,v 1.2 1995/06/24 11:12:38 w Exp w $ +# + +$ENV{'PATH'} = "/bin:/usr/bin"; +$procfs = '/proc'; +$signal = 'SIGTERM'; # default signal for kill +$debug = 0; +$match = 0; # 0 match exactly program name +$show = 0; + +$PROC_NAME = 0 + $[; +$PROC_EUID = 11 + $[; + +sub usage { + $! = 2; + die "killall [-v] [-?|-help] [-l] [-m] [-s] [-SIGNAL] program\n"; +} + +while ($_ = $ARGV[0], /^-/) { + shift @ARGV; + if (/^--$/) { $_ = $ARGV[0]; last } + elsif (/^-[vd]$/) { $debug++ } + elsif (/^-(h|help|\?)$/) { do usage } + elsif (/^-l$/) { exec 'kill', '-l' } + elsif (/^-m$/) { $match = 1 } + elsif (/^-s$/) { $show = 1 } + elsif (/^-([A-Za-z]+|[0-9]+)$/) { $signal = $1 } +} + +$program = $_; &usage unless $program; + +die "Maybe $procfs is not mounted\n" unless -e "$procfs/0/status"; +opendir(PROCFS, "$procfs") || die "$procfs $!\n"; + +foreach (sort{$a <=> $b} grep(/^[0-9]/, readdir(PROCFS))) { + $status = "$procfs/$_/status"; + $pid = $_; + + next if $pid == $$; # don't kill yourself + + open(STATUS, "$status") || next; # process maybe already terminated + while(<STATUS>) { + @proc = split; + printf "%5d $proc[$PROC_NAME] $proc[$PROC_EUID]\n", $pid + if $debug > 1; + + if (($proc[$PROC_NAME] eq $program || + ($match && $proc[$PROC_NAME] =~ /$program/i) + ) && # test program name + ($proc[$PROC_EUID] eq $< || $< == 0)) { # test uid + push(@kill, "$pid"); + } + } + close STATUS; +} +closedir PROCFS; + +if ($#kill < 0) { # nothing found + print "No matching process.\n" if $debug || $show; + exit(1); +} +$signal =~ y/[a-z]/[A-Z]/; # signal name in upper case +$signal =~ s/^SIG//; # strip a leading SIG if present +print "kill -$signal @kill\n" if $debug || $show; + +$cnt = kill ($signal, @kill) unless $show; # kill processes +exit(0) if $show || $cnt == $#kill + 1; +exit(1); |
