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Author SHA1 Message Date
Dmitry Vyukov 3ab6b2347e tsan: remove sleeps from tests 
Even sleep(1) lead to episodical flakes on some machines.
Use an invisible by tsan barrier to enforce required execution order instead.
This makes the tests deterministic and faster.

llvm-svn: 226659
 2015-01-21 13:50:02 +00:00
Dmitry Vyukov 34fb3799a3 tsan: fix false positive related to signal handlers 
Users expect synchronization between sigaction and arrival
of the signal. See the test for details.

llvm-svn: 216878
 2014-09-01 12:46:42 +00:00