124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner//===-- ThreadSafeValue.h ---------------------------------------*- C++ -*-===// 224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// The LLVM Compiler Infrastructure 424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// This file is distributed under the University of Illinois Open Source 624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// License. See LICENSE.TXT for details. 724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner//===----------------------------------------------------------------------===// 924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 1024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#ifndef liblldb_ThreadSafeValue_h_ 1124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#define liblldb_ThreadSafeValue_h_ 1224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 1324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// C Includes 1424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// C++ Includes 1524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// Other libraries and framework includes 1624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// Project includes 1724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#include "lldb/Host/Mutex.h" 1824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 1924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnernamespace lldb_private { 2024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 2124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnertemplate <class T> 2224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerclass ThreadSafeValue 2324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner{ 2424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerpublic: 2524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner //------------------------------------------------------------------ 2624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // Constructors and Destructors 2724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner //------------------------------------------------------------------ 2824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner ThreadSafeValue() : 2924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_value (), 3024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_mutex (Mutex::eMutexTypeRecursive) 3124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 3224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 3324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 3424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner ThreadSafeValue(const T& value) : 3524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_value (value), 3624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_mutex (Mutex::eMutexTypeRecursive) 3724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 3824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 3924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 4024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner ~ThreadSafeValue() 4124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 4224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 4324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 4424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner T 4524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner GetValue () const 4624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 4724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner T value; 4824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 4924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner Mutex::Locker locker(m_mutex); 5024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner value = m_value; 5124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 5224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return value; 5324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 5424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 5524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // Call this if you have already manually locked the mutex using the 5624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // GetMutex() accessor 5724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner const T& 5824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner GetValueNoLock () const 5924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 6024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return m_value; 6124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 6224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 6324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner void 6424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner SetValue (const T& value) 6524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 6624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner Mutex::Locker locker(m_mutex); 6724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_value = value; 6824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 6924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 7024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // Call this if you have already manually locked the mutex using the 7124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // GetMutex() accessor 7224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner void 7324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner SetValueNoLock (const T& value) 7424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 7524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner m_value = value; 7624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 7724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 7824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner Mutex & 7924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner GetMutex () 8024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 8124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return m_mutex; 8224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 8324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 8424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerprivate: 8524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner T m_value; 8624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner mutable Mutex m_mutex; 8724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 8824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner //------------------------------------------------------------------ 8924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner // For ThreadSafeValue only 9024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner //------------------------------------------------------------------ 9124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner DISALLOW_COPY_AND_ASSIGN (ThreadSafeValue); 9224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner}; 9324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 9424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 9524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner} // namespace lldb_private 9624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#endif // liblldb_ThreadSafeValue_h_ 97