[PATCH] D19722: [sanitizer] Don't reuse the main thread in ThreadRegistry

[Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL268238: [sanitizer] Don't reuse the main thread in ThreadRegistry (authored by kuba.brecka).

Changed prior to commit:
  http://reviews.llvm.org/D19722?vs=55591&id=55821#toc

Repository:
  rL LLVM

http://reviews.llvm.org/D19722

Files:
  compiler-rt/trunk/lib/sanitizer_common/sanitizer_thread_registry.cc

Index: compiler-rt/trunk/lib/sanitizer_common/sanitizer_thread_registry.cc
===================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_thread_registry.cc
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_thread_registry.cc
@@ -277,6 +277,8 @@
 }
 
 void ThreadRegistry::QuarantinePush(ThreadContextBase *tctx) {
+  if (tctx->tid == 0)
+    return;  // Don't reuse the main thread.  It's a special snowflake.
   dead_threads_.push_back(tctx);
   if (dead_threads_.size() <= thread_quarantine_size_)
     return;


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