1 files changed, 65 insertions, 0 deletions
diff --git a/include/lldb/Core/ThreadSafeDenseMap.h b/include/lldb/Core/ThreadSafeDenseMap.h
new file mode 100644
index 000000000000..f5a7ccfb2ffa
--- /dev/null
+++ b/include/lldb/Core/ThreadSafeDenseMap.h
@@ -0,0 +1,65 @@
+//===-- ThreadSafeDenseMap.h ------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_ThreadSafeDenseMap_h_
+#define liblldb_ThreadSafeDenseMap_h_
+
+// C Includes
+// C++ Includes
+
+// Other libraries and framework includes
+#include "llvm/ADT/DenseMap.h"
+
+// Project includes
+#include "lldb/Host/Mutex.h"
+
+namespace lldb_private {
+    
+template <typename _KeyType, typename _ValueType>
+class ThreadSafeDenseMap
+{
+public:
+    typedef llvm::DenseMap<_KeyType,_ValueType> LLVMMapType;
+    
+    ThreadSafeDenseMap(unsigned map_initial_capacity = 0,
+                       Mutex::Type mutex_type = Mutex::eMutexTypeNormal) :
+        m_map(map_initial_capacity),
+        m_mutex(mutex_type)
+    {
+    }
+    
+    void
+    Insert (_KeyType k, _ValueType v)
+    {
+        Mutex::Locker locker(m_mutex);
+        m_map.insert(std::make_pair(k,v));
+    }
+    
+    void
+    Erase (_KeyType k)
+    {
+        Mutex::Locker locker(m_mutex);
+        m_map.erase(k);
+    }
+    
+    _ValueType
+    Lookup (_KeyType k)
+    {
+        Mutex::Locker locker(m_mutex);
+        return m_map.lookup(k);
+    }
+    
+protected:
+    LLVMMapType m_map;
+    Mutex m_mutex;
+};
+
+} // namespace lldb_private
+
+#endif  // liblldb_ThreadSafeSTLMap_h_