[PATCH] [Tsan] Fix the signal_recursive.cc test to build on FreeBSD

[Ed Maste]

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Comment at: test/tsan/signal_recursive.cc:14-18
@@ -13,3 +13,7 @@
 
+#if defined(__FreeBSD__)
+static const int kSigSuspend = SIGINFO;
+#else
 static const int kSigSuspend = SIGPWR;
+#endif
 static const int kSigRestart = SIGXCPU;
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Is the specific signal of interest here, or do we just need two arbitrary signals? If the latter, can we just use `SIGUSR1` instead?

http://reviews.llvm.org/D5841