X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=test%2Fbin%2Fbomb.pl;h=ae978595c97b61f785cfa3544502277673843876;hb=fd831c63e414e24a0c596d93beb35f41c73762e5;hp=6211eab85b49ac4067eeac8dfdc84f6b2ae76b29;hpb=a353544f60e704aca2e4bb68ae8a59e16e7a8624;p=mkws-moved-to-github.git

diff --git a/test/bin/bomb.pl b/test/bin/bomb.pl
index 6211eab..ae97859 100755
--- a/test/bin/bomb.pl
+++ b/test/bin/bomb.pl
@@ -1,5 +1,5 @@
 #!/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
 #
@@ -38,20 +38,38 @@ my @system = @ARGV;
 die usage if $help;
 die usage if !@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";
+}
+
 #
-# 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;
+};
+
+# don't kill ourself
+$SIG{INT} = "IGNORE";
+
+alarm($timeout);
 
-# parent
-else { }
+system(@system) == 0
+  or die "system('@system') failed: ?='$?', !='$!', ^E='$^E'\n";
 
 1;