On Thu, 2005-11-17 at 15:53 -0800, Rick Stevens wrote: >> We have been running a FC4/PPC64 machine where we have run into the >> following issues with POSIX message queues. >> >> -An application fails to close/unlink queues, allowing the machine the >> reach the /proc/sys/fs/mqueue/queues_max limit. I don't know how to >> cleanup message queues let open after process dies. Note: ipcs doesn't >> seem to work with POSIX message queues. > >It should. "ipcrm -Q" or "ipcrm -q" should do it. When I run a simple test program where a posix queue is opened while I issue the command 'ipcs' I do not see any message queues listed. It is my understanding from the man pages this utility along with the ipc* commands, was written for SysV constructs. I cannot find the posix equivalent. Daniel