[llvm-commits] [compiler-rt] r170430 - /compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc

[Dmitry Vyukov]

Author: dvyukov
Date: Tue Dec 18 08:19:24 2012
New Revision: 170430

URL: http://llvm.org/viewvc/llvm-project?rev=170430&view=rev
Log:
tsan: warn about reports from signal handlers

Modified:
    compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc?rev=170430&r1=170429&r2=170430&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc Tue Dec 18 08:19:24 2012
@@ -510,6 +510,10 @@
     return;
   ScopedInRtl in_rtl;
 
+  if (thr->in_signal_handler)
+    Printf("ThreadSanitizer: printing report from signal handler."
+           " Can crash or hang.\n");
+
   bool freed = false;
   {
     Shadow s(thr->racy_state[1]);