contrib/llvm/tools/lldb/include/lldb/Core/ThreadSafeSTLVector.h

   1 //===-- ThreadSafeSTLVector.h ------------------------------------*- C++
   2 //-*-===//
   3 //
   4 //                     The LLVM Compiler Infrastructure
   5 //
   6 // This file is distributed under the University of Illinois Open Source
   7 // License. See LICENSE.TXT for details.
   8 //
   9 //===----------------------------------------------------------------------===//
  10
  11 #ifndef liblldb_ThreadSafeSTLVector_h_
  12 #define liblldb_ThreadSafeSTLVector_h_
  13
  14 // C Includes
  15 // C++ Includes
  16 #include <mutex>
  17 #include <vector>
  18
  19 // Other libraries and framework includes
  20 // Project includes
  21 #include "lldb/lldb-defines.h"
  22
  23 namespace lldb_private {
  24
  25 template <typename _Object> class ThreadSafeSTLVector {
  26 public:
  27   typedef std::vector<_Object> collection;
  28   typedef typename collection::iterator iterator;
  29   typedef typename collection::const_iterator const_iterator;
  30   //------------------------------------------------------------------
  31   // Constructors and Destructors
  32   //------------------------------------------------------------------
  33   ThreadSafeSTLVector() : m_collection(), m_mutex() {}
  34
  35   ~ThreadSafeSTLVector() = default;
  36
  37   bool IsEmpty() const {
  38     std::lock_guard<std::recursive_mutex> guard(m_mutex);
  39     return m_collection.empty();
  40   }
  41
  42   void Clear() {
  43     std::lock_guard<std::recursive_mutex> guard(m_mutex);
  44     return m_collection.clear();
  45   }
  46
  47   size_t GetCount() {
  48     std::lock_guard<std::recursive_mutex> guard(m_mutex);
  49     return m_collection.size();
  50   }
  51
  52   void AppendObject(_Object &object) {
  53     std::lock_guard<std::recursive_mutex> guard(m_mutex);
  54     m_collection.push_back(object);
  55   }
  56
  57   _Object GetObject(size_t index) {
  58     std::lock_guard<std::recursive_mutex> guard(m_mutex);
  59     return m_collection.at(index);
  60   }
  61
  62   void SetObject(size_t index, const _Object &object) {
  63     std::lock_guard<std::recursive_mutex> guard(m_mutex);
  64     m_collection.at(index) = object;
  65   }
  66
  67   std::recursive_mutex &GetMutex() { return m_mutex; }
  68
  69 private:
  70   collection m_collection;
  71   mutable std::recursive_mutex m_mutex;
  72
  73   //------------------------------------------------------------------
  74   // For ThreadSafeSTLVector only
  75   //------------------------------------------------------------------
  76   DISALLOW_COPY_AND_ASSIGN(ThreadSafeSTLVector);
  77 };
  78
  79 } // namespace lldb_private
  80
  81 #endif // liblldb_ThreadSafeSTLVector_h_