From f4f51f2cc6fa936f0c65577f82e6b62989d546ee Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Mon, 14 Jan 2013 07:51:39 +0000
Subject: asan/tsan: move blocking mutex from asan to sanitizer_common

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@172380 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/sanitizer_common/sanitizer_mutex.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'lib/sanitizer_common/sanitizer_mutex.h')

diff --git a/lib/sanitizer_common/sanitizer_mutex.h b/lib/sanitizer_common/sanitizer_mutex.h
index 4372a73c1..15e1caa1b 100644
--- a/lib/sanitizer_common/sanitizer_mutex.h
+++ b/lib/sanitizer_common/sanitizer_mutex.h
@@ -67,6 +67,15 @@ class SpinMutex : public StaticSpinMutex {
   void operator=(const SpinMutex&);
 };
 
+class BlockingMutex {
+ public:
+  explicit BlockingMutex(LinkerInitialized);
+  void Lock();
+  void Unlock();
+ private:
+  uptr opaque_storage_[10];
+};
+
 template<typename MutexType>
 class GenericScopedLock {
  public:
@@ -106,6 +115,7 @@ class GenericScopedReadLock {
 };
 
 typedef GenericScopedLock<StaticSpinMutex> SpinMutexLock;
+typedef GenericScopedLock<BlockingMutex> BlockingMutexLock;
 
 }  // namespace __sanitizer
 
-- 
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