X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=test%2Fbin%2Fbomb.pl;h=ae978595c97b61f785cfa3544502277673843876;hb=bceda32ec4c5aaed6ce3e244aedc0ee47292ef97;hp=9e0f06bde88b09645fc2d39bfc8e046055a314c4;hpb=0360c45d9be87b9a5de497933fb316752868bab9;p=mkws-moved-to-github.git

diff --git a/test/bin/bomb.pl b/test/bin/bomb.pl
index 9e0f06b..ae97859 100755
--- a/test/bin/bomb.pl
+++ b/test/bin/bomb.pl
@@ -1,12 +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 BSD::Resource qw/setrlimit/;
 
 use strict;
 use warnings;
@@ -41,21 +40,36 @@ die usage if !@system;
 
 # set CPU limit, in case the alarm handler will
 # be ignored
-setrlimit("RLIMIT_CPU", $timeout, 2*$timeout) or die "Cannot set CPU limit: $!\n";
+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";
+}
 
 #
-# use fork/exec instead system()
+# configure signal handlers
 #
-$pid = fork();
-die "fork() failed: $!" unless defined $pid;
+$SIG{ALRM} = sub {
+    my $pgid = getpgrp();
 
-# child
-if ($pid) {
-    alarm($timeout);
-    exec(@system) or die "exec @system: $!\n";
-}
+    warn "Alarm handler got called after $timeout seconds\n";
+    warn "Kill now the process group $pgid\n\n";
+
+    # kill process group
+    kill "INT", -$pgid;
+};
 
-# parent
-else { }
+# don't kill ourself
+$SIG{INT} = "IGNORE";
+
+alarm($timeout);
+
+system(@system) == 0
+  or die "system('@system') failed: ?='$?', !='$!', ^E='$^E'\n";
 
 1;
+