/usr/bin/mysql_zap is in percona-xtradb-cluster-server-5.6 5.6.21-25.8-0ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | #!/usr/bin/perl
# Copyright (c) 2000, 2014 Oracle and/or its affiliates. All rights reserved.
# Use is subject to license terms.
#
# 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; version 2 of the License.
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# This is a utility for MySQL. It is not needed by any standard part
# of MySQL.
# Usage: mysql_zap [-signal] [-f] [-t] pattern
print STDERR "Warning: $0 is deprecated and will be removed in a future version.\n";
# Configuration parameters.
$sig = ""; # Default to try all signals
$ans = "y";
$opt_f= 0;
$opt_t= 0;
$opt_a = "";
$BSD = -f '/vmunix' || $ENV{"OS"} eq "SunOS4";
$LINUX = $^O eq 'linux' || $^O eq 'darwin';
$pscmd = $BSD ? "/bin/ps -auxww" : $LINUX ? "/bin/ps axuw" : "/bin/ps -ef";
open(TTYIN, "</dev/tty") || die "can't read /dev/tty: $!";
open(TTYOUT, ">/dev/tty") || die "can't write /dev/tty: $!";
select(TTYOUT);
$| = 1;
select(STDOUT);
$SIG{'INT'} = 'cleanup';
while ($#ARGV >= $[ && $ARGV[0] =~ /^-/) {
if ($ARGV[0] =~ /(ZERO|HUP|INT|QUIT|ILL|TRAP|ABRT|EMT|FPE|KILL|BUS|SEGV|SYS|PIPE|ALRM|TERM|URG|STOP|TSTP|CONT|CLD|TTIN|TTOU|IO|XCPU|XFSZ|VTALRM|PROF|WINCH|LOST|USR1|USR2)/ || $ARGV[0] =~ /-(\d+)$/) {
$sig = $1;
} elsif ($ARGV[0] eq "-f") {
$opt_f=1;
} elsif ($ARGV[0] eq "-t") {
$opt_t=1;
$ans = "n";
}
elsif ($ARGV[0] eq "-a")
{
$opt_a = 1;
}
elsif ($ARGV[0] eq "-?" || $ARGV[0] eq "-I" || $ARGV[0] eq "--help")
{
&usage;
}
else {
print STDERR "$0: illegal argument $ARGV[0] ignored\n";
}
shift;
}
&usage if $#ARGV < 0;
if (!$opt_f)
{
if ($BSD) {
system "stty cbreak </dev/tty >/dev/tty 2>&1";
}
else {
system "stty", 'cbreak',
system "stty", 'eol', '^A';
}
}
open(PS, "$pscmd|") || die "can't run $pscmd: $!";
$title = <PS>;
print TTYOUT $title;
# Catch any errors with eval. A bad pattern, for instance.
eval <<'EOF';
process: while ($cand = <PS>)
{
chop($cand);
($user, $pid) = split(' ', $cand);
next if $pid == $$;
$found = !@ARGV;
if ($opt_a) { $found = 1; }
foreach $pat (@ARGV)
{
if ($opt_a)
{
if (! ($cand =~ $pat))
{
next process;
}
}
else
{
$found = 1 if $cand =~ $pat;
}
}
next if (!$found);
if (! $opt_f && ! $opt_t)
{
print TTYOUT "$cand? ";
read(TTYIN, $ans, 1);
print TTYOUT "\n" if ($ans ne "\n");
}
else
{
print TTYOUT "$cand\n";
}
if ($ans =~ /^y/i) { &killpid($sig, $pid); }
if ($ans =~ /^q/i) { last; }
}
EOF
&cleanup;
sub usage {
print <<EOF;
Usage: $0 [-signal] [-?Ift] [--help] pattern
Options: -I or -? "info" -f "force" -t "test".
Version 1.0
Kill processes that match the pattern.
If -f isn't given, ask user for confirmation for each process to kill.
If signal isn't given, try first with signal 15, then with signal 9.
If -t is given, the processes are only shown on stdout.
EOF
exit(1);
}
sub cleanup {
if ($BSD) {
system "stty -cbreak </dev/tty >/dev/tty 2>&1";
}
else {
system "stty", 'icanon';
system "stty", 'eol', '^@';
}
print "\n";
exit;
}
sub killpid {
local($signal,$pid) = @_;
if ($signal)
{
kill $signal,$pid;
}
else
{
print "kill -15\n";
kill 15, $pid;
for (1..5) {
sleep 2;
return if kill(0, $pid) == 0;
}
print "kill -9\n";
kill 9, $pid;
for (1..5) {
sleep 2;
return if kill(0, $pid) == 0;
}
print "$pid will not die!\n";
}
}
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