Hi, We need to limit and monitor the number of file descriptors processes keep open. If a process exceeds certain limit we'd like to terminate it and restart it or reboot the whole system. Currently the RLIMIT API allows limiting the number of file descriptors but to achieve our goals we'd need to make sure all programmes we run handle EMFILE errno properly. That is why we consider developing a cgroup controller that limits the number of open file descriptors of its members (similar to memory controler).
Any comments? Is there any alternative that: + does not require modifications of user-land code, + enables other process (e.g. init) to be notified and apply policy. Kind regards, -- Łukasz Stelmach Samsung R&D Institute Poland Samsung Electronics
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