tree 7a021ce73c8479f5953786ffd7304f43c6b07246
parent eea398a690496127b3626917bd800a5d57ae911c
author Luke Huang <huangluke@google.com> 1553586610 +0800
committer Luke Huang <huangluke@google.com> 1553773616 +0800

Fix cancellation race problem for aysnc DNS API

This problem might cause double-close fd and result in app crash
or unexpected behaviour

Bug: 129317069
Test: atest DnsResolverTest
      manual test with delaying response callback/cancel
Change-Id: I223234f527edafc51d34fa6be390419c05def8d8