From eca5f2e81a7c859bfbd378b5f5cd7c7b5d4ba0b0 Mon Sep 17 00:00:00 2001
From: Oliver Tappe
Date: Fri, 12 Sep 2008 22:00:46 +0000
Subject: * implemented support for recursive file-based locks * used improved
 locking mechanism to protect not only slxconfig-demuxer   against being
 executed twice, but also to avoid two different process groups   from
 chrooting into the same vendor-OS

git-svn-id: http://svn.openslx.org/svn/openslx/openslx/trunk@2213 95ad53e4-c205-0410-b2fa-d234c58c8868
---
 installer/OpenSLX/OSSetup/Engine.pm | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'installer/OpenSLX/OSSetup/Engine.pm')

diff --git a/installer/OpenSLX/OSSetup/Engine.pm b/installer/OpenSLX/OSSetup/Engine.pm
index 2a4801ae..47ba9b3c 100644
--- a/installer/OpenSLX/OSSetup/Engine.pm
+++ b/installer/OpenSLX/OSSetup/Engine.pm
@@ -140,6 +140,9 @@ sub initialize
     $distro->initialize($self);
     $self->{distro} = $distro;
 
+    # protect against parallel executions of writing OpenSLX scripts
+    $self->{'vendor-os-lock'} = grabLock($vendorOSName);
+
     if ($actionType =~ m{^(install|update|shell|plugin)}) {
         # setup path to distribution-specific info:
         my $sharedDistroInfoDir 
-- 
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