Created attachment 349715 [details] Example program Am I doing anything wrong with the attached program. I get crashes like: $ ./a.out sm.addBroker: sm.delBroker 2009-jun-28 22:21:29 error .qmfc-1b10e701-b56c-434c-a86a-105a1dfe3cc6 error: Invalid argument (./qpid/sys/posix/Mutex.h:116) Segmentation fault (core dumped)