Luke Huang 92f1edd2f0 Improve cancellation test for async DNS API ...

After having a lock between callback and cancellationsignal,
errno with EBADF should not happen.

Bug: 129317069
Test: atest DnsResolverTest
Change-Id: I08e800b078d40345eb3f46da1323db251c8dcd47

2019-03-28 21:06:30 +08:00

..

cts

Improve cancellation test for async DNS API

2019-03-28 21:06:30 +08:00