Cannot create more than 9 POSIX message queues

Hi all, I have developed a C++ application on Fedora 14. I have used POSIX message queues for IPC. I need multiple message queues (more than 100). I create a message queue using mq_open() as below: MessageQueue = mq_open("/AppMessageQueue", O_RDWR | O_CREAT, 0666, NULL); I need to run the application from a non-root user. From a non-root user, the application can create only up to 9 message queues. If the application tries to create 10th message queue, the error ENOMEM is generated. Value in /proc/sys/fs/mqueue/msg_max is 10. Value in /proc/sys/fs/mqueue/msgsize_max is 8192. Value in /proc/sys/fs/mqueue/queues_max is 256. >From root user, the application can create more than 9 queues. Why the application cannot create more than 9 queues from non-root user? Any help is highly appreciated. Thank you in advance.

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