From: Ralf Horstmann <ralf_horstmann@mcafee.com>

Some vserver kernel emulate the init process in a way that ppid
of process 1 is 1. This lets the debugger search function go into
an endless loop.

Since pid 1 is unlikely to be a debugger, we can safely ignore
pid 1 and just quit searching when we reach pid 1 instead of 0.
---

Index: boost_1_35_0/boost/test/impl/debug.ipp
===================================================================
--- boost_1_35_0.orig/boost/test/impl/debug.ipp
+++ boost_1_35_0/boost/test/impl/debug.ipp
@@ -644,7 +644,7 @@ under_debugger()
 
     pid_t pid = ::getpid();
 
-    while( pid != 0 ) {
+    while( pid != 0 && pid != 1 ) {
         process_info pi( pid );
 
         // !! ?? should we use tokenizer here instead?