9 if ($ARGV[0] eq '-s' || $ARGV[0] eq '--signal') {
10 die("$ARGV[0]: argument required") unless @ARGV > 1;
16 if ($ARGV[0] eq '-v' || $ARGV[0] eq '--verbose') {
21 if ($ARGV[0] eq '-n') {
27 if ($ARGV[0] eq '-m' || $ARGV[0] eq '--message') {
28 die("$ARGV[0]: argument required") unless @ARGV > 1;
37 die("usage: killchroot [-s sig] <rootdir>") unless @ARGV == 1 && $ARGV[0] ne '';
39 chdir($dir) || die("$dir: $!\n");
41 $dir = readlink('/proc/self/cwd');
42 die("readlink /proc/self/cwd: $!\n") unless defined $dir;
48 opendir(D, "/proc") || die("/proc: $!\n");
49 for $pid (readdir(D)) {
50 next unless $pid =~ /^\d+$/;
51 $path = readlink("/proc/$pid/root");
52 next unless defined $path;
53 if ($path =~ /^\Q$dir\E(\/.*)?$/) {
56 $path = readlink("/proc/$pid/exe");
57 if ($path =~ /^\Q$dir\E(\/.*)?$/) {
63 my @pids = sort keys %pids;
66 print "$msg\n" if $msg ne '';
71 open(F, "</proc/$pid/cmdline");
73 sysread(F, $cmd, 128);
77 push @pidsv, "$pid($cmd)";
80 print "sending signal $sig to processes @pidsv\n";
82 print "sending signal $sig to process @pidsv\n";
87 kill CONT => @pids if $sig eq 9;