tsan: warn about reports from signal handlers

llvm-svn: 170430
2012-12-18 14:19:24 +00:00
parent d509179a0b
commit a2ce1e0055
1 changed files with 4 additions and 0 deletions
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_report.cc
@@ -510,6 +510,10 @@ void ReportRace(ThreadState *thr) {
    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]);