display command which will be terminated

[mkws-moved-to-github.git] / test / bin / bomb.pl

diff --git a/test/bin/bomb.pl b/test/bin/bomb.pl
index f4b4cec..2dde3d4 100755 (executable)
--- a/test/bin/bomb.pl
+++ b/test/bin/bomb.pl
@@ -1,10 +1,11 @@
 #!/usr/bin/perl
-# Copyright (c) 2014 IndexData ApS. http://indexdata.com
+# 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 ....
@@ -65,9 +38,39 @@ my @system = @ARGV;
 die usage if $help;
 die usage if !@system;
 
-set_alarm( $timeout, join( " ", @system ) );
+# disabled - we set the CPU limit in the wrapper ./bomb
+## 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 $pgid\n\n";
+    warn "Command: @system\n";
+
+    # kill process group
+    kill "INT", -$pgid;
+};
+
+# don't kill ourself
+$SIG{INT} = "IGNORE";
+
+alarm($timeout);
 
 system(@system) == 0
-  or die "@system failed with exit code: $?\n";
+  or die "system('@system') failed: ?='$?', !='$!'\n";
 
-exit(0);
+1;