commit 9433af375c7813486be91d2ac76f5072ee41818d
author Kostya Serebryany <kcc@google.com> Fri Sep 13 06:32:26 2013 +0000
committer Kostya Serebryany <kcc@google.com> Fri Sep 13 06:32:26 2013 +0000
tree 86cc6cec7256ce19ca0a1fcd2984a027bcfb7cb7
parent b8a903c18120f40cc09aac3c28c1214a0ffceda7

[asan] second attempt to use TLS with fake stack. This time it looks (more) async-signal safe.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@190663 91177308-0d34-0410-b5e6-96231b3b80d8

lib/asan/asan_thread.h

diff --git a/lib/asan/asan_thread.h b/lib/asan/asan_thread.h
index 8633e5d..29e30ff 100644
--- a/lib/asan/asan_thread.h
+++ b/lib/asan/asan_thread.h
@@ -78,7 +78,10 @@
   void DeleteFakeStack() {
     if (!fake_stack_) return;
     fake_stack_->PoisonAll(0);
-    fake_stack_->Destroy();
+    FakeStack *t = fake_stack_;
+    fake_stack_ = 0;
+    SetTLSFakeStack(0);
+    t->Destroy();
   }
 
   bool has_fake_stack() {