linux - Number of watched file descriptors inside a epoll -


i looking way check current number of file descriptors being monitored epoll instance. use following creating , populating epoll instance 

epoll_create epoll_ctl

platform gnu/linux.

as far know, there no system call available can provide count of file descriptors getting monitored epoll. can achieve maintaining 1 counter variable. increment/decrement variable after adding/removing file descriptor epoll using epoll_ctl().


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