fix(driver,poll): ENOENT on Linux #263
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We have noticed that the CI on Linux sometimes reports an error on the dispatcher test, but haven't found the cause until now. The reason isn't related to the dispatcher, but because the epoll returns
ENOENTif the fd is reused by another source while we still callmodifyto change the event. The solution is simple: remove the fd from the registry and poll if no op is waiting for it.