| //===-- ThreadSafeValue.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_ThreadSafeValue_h_ |
| #define liblldb_ThreadSafeValue_h_ |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Host/Mutex.h" |
| |
| namespace lldb_private { |
| |
| template <class T> |
| class ThreadSafeValue |
| { |
| public: |
| //------------------------------------------------------------------ |
| // Constructors and Destructors |
| //------------------------------------------------------------------ |
| ThreadSafeValue() : |
| m_value (), |
| m_mutex (Mutex::eMutexTypeRecursive) |
| { |
| } |
| |
| ThreadSafeValue(const T& value) : |
| m_value (value), |
| m_mutex (Mutex::eMutexTypeRecursive) |
| { |
| } |
| |
| ~ThreadSafeValue() |
| { |
| } |
| |
| T |
| GetValue () const |
| { |
| T value; |
| { |
| Mutex::Locker locker(m_mutex); |
| value = m_value; |
| } |
| return value; |
| } |
| |
| // Call this if you have already manually locked the mutex using the |
| // GetMutex() accessor |
| const T& |
| GetValueNoLock () const |
| { |
| return m_value; |
| } |
| |
| void |
| SetValue (const T& value) |
| { |
| Mutex::Locker locker(m_mutex); |
| m_value = value; |
| } |
| |
| // Call this if you have already manually locked the mutex using the |
| // GetMutex() accessor |
| void |
| SetValueNoLock (const T& value) |
| { |
| m_value = value; |
| } |
| |
| Mutex & |
| GetMutex () |
| { |
| return m_mutex; |
| } |
| |
| private: |
| T m_value; |
| mutable Mutex m_mutex; |
| |
| //------------------------------------------------------------------ |
| // For ThreadSafeValue only |
| //------------------------------------------------------------------ |
| DISALLOW_COPY_AND_ASSIGN (ThreadSafeValue); |
| }; |
| |
| |
| } // namespace lldb_private |
| #endif // liblldb_ThreadSafeValue_h_ |