kc3-lang/libevent

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• Author : Nick Mathewson
  Date : 2010-11-03 12:37:37
  Hash : 9ed30de7
  Message : Don't free evdns_request handles until after the callback is invoked Previously, once the callback was scheduled, it was unsafe to cancel a request, but there was no way to tell that. Now it is safe to cancel a request until the callback is invoked, at which point it isn't. Found and diagnosed by Denis Bilenko.