X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=test%2Fbin%2Fbomb.pl;h=ae978595c97b61f785cfa3544502277673843876;hb=4d0391438640a5fa35047a6ed7af43a5e7b72bcc;hp=a84f40bb82bdc178167e11046f485d5718f137aa;hpb=bd230d3ba29021292ab66acd507242f66e04c904;p=mkws-moved-to-github.git

diff --git a/test/bin/bomb.pl b/test/bin/bomb.pl
index a84f40b..ae97859 100755
--- a/test/bin/bomb.pl
+++ b/test/bin/bomb.pl
@@ -1,10 +1,11 @@
-#!/usr/local/bin/perl
-# Copyright (c) 2014 IndexData ApS. http://indexdata.com
+#!/usr/bin/perl
+# Copyright (c) 2014 Index Data ApS. http://indexdata.com
 #
 # bomb.pl - wrapper to stop a process after N seconds
 #
 
 use Getopt::Long;
+use POSIX ":sys_wait_h";
 
 use strict;
 use warnings;
@@ -12,39 +13,11 @@ use warnings;
 my $debug = 0;
 my $help;
 my $timeout = 100;
+my $pid;
 
 binmode \*STDOUT, ":utf8";
 binmode \*STDERR, ":utf8";
 
-# timeout handler
-sub set_alarm {
-    my $time = shift;
-    my $message = shift || "";
-
-    $time = 100 if !defined $time;
-
-    $SIG{ALRM} = sub {
-
-        warn "Time out alarm $time\n";
-
-        # sends a hang-up signal to all processes in the current process group
-        # and kill running java processes
-        local $SIG{HUP} = "IGNORE";
-        kill 1, -$$;
-
-        local $SIG{TERM} = "IGNORE";
-        kill 15, -$$;
-        kill 15, -$$;
-
-        warn "Send a hang-up to all childs.\n";
-
-        #exit 1;
-    };
-
-    warn "set alarm time to: $time seconds $message\n" if $debug >= 1;
-    alarm($time);
-}
-
 sub usage () {
     <<EOF;
 usage: $0 [ options ] command args ....
@@ -57,7 +30,7 @@ EOF
 GetOptions(
     "help"      => \$help,
     "debug=i"   => \$debug,
-    "timeout=i" => \$timeout,
+    "timeout=f" => \$timeout,
 ) or die usage;
 
 my @system = @ARGV;
@@ -65,9 +38,38 @@ my @system = @ARGV;
 die usage if $help;
 die usage if !@system;
 
-set_alarm( $timeout, join( " ", @system ) );
+# set CPU limit, in case the alarm handler will
+# be ignored
+eval {
+    require BSD::Resource;
+    BSD::Resource::setrlimit( "RLIMIT_CPU", $timeout, 2 * $timeout )
+      or die "Cannot set CPU limit: $!\n";
+};
+if ($@) {
+    warn
+      "WARNING: things would go more nicely with the BSD::Resource package\n";
+}
+
+#
+# configure signal handlers
+#
+$SIG{ALRM} = sub {
+    my $pgid = getpgrp();
+
+    warn "Alarm handler got called after $timeout seconds\n";
+    warn "Kill now the process group $pgid\n\n";
+
+    # kill process group
+    kill "INT", -$pgid;
+};
+
+# don't kill ourself
+$SIG{INT} = "IGNORE";
+
+alarm($timeout);
 
 system(@system) == 0
-  or die "system @system failed: $?";
+  or die "system('@system') failed: ?='$?', !='$!', ^E='$^E'\n";
+
+1;
 
-exit(0);