next(core): use C++11 classes for cv::Mutex/cv::AutoLock

modules/core/src/system.cpp

@@ -1101,93 +1101,6 @@ cvErrorFromIppStatus( int status )
 
 namespace cv {
 bool __termination = false;
-}
-
-namespace cv
-{
-
-#if defined _WIN32 || defined WINCE
-
-struct Mutex::Impl
-{
-    Impl()
-    {
-#if (_WIN32_WINNT >= 0x0600)
-        ::InitializeCriticalSectionEx(&cs, 1000, 0);
-#else
-        ::InitializeCriticalSection(&cs);
-#endif
-        refcount = 1;
-    }
-    ~Impl() { DeleteCriticalSection(&cs); }
-
-    void lock() { EnterCriticalSection(&cs); }
-    bool trylock() { return TryEnterCriticalSection(&cs) != 0; }
-    void unlock() { LeaveCriticalSection(&cs); }
-
-    CRITICAL_SECTION cs;
-    int refcount;
-};
-
-#else
-
-struct Mutex::Impl
-{
-    Impl()
-    {
-        pthread_mutexattr_t attr;
-        pthread_mutexattr_init(&attr);
-        pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
-        pthread_mutex_init(&mt, &attr);
-        pthread_mutexattr_destroy(&attr);
-
-        refcount = 1;
-    }
-    ~Impl() { pthread_mutex_destroy(&mt); }
-
-    void lock() { pthread_mutex_lock(&mt); }
-    bool trylock() { return pthread_mutex_trylock(&mt) == 0; }
-    void unlock() { pthread_mutex_unlock(&mt); }
-
-    pthread_mutex_t mt;
-    int refcount;
-};
-
-#endif
-
-Mutex::Mutex()
-{
-    impl = new Mutex::Impl;
-}
-
-Mutex::~Mutex()
-{
-    if( CV_XADD(&impl->refcount, -1) == 1 )
-        delete impl;
-    impl = 0;
-}
-
-Mutex::Mutex(const Mutex& m)
-{
-    impl = m.impl;
-    CV_XADD(&impl->refcount, 1);
-}
-
-Mutex& Mutex::operator = (const Mutex& m)
-{
-    if (this != &m)
-    {
-        CV_XADD(&m.impl->refcount, 1);
-        if( CV_XADD(&impl->refcount, -1) == 1 )
-            delete impl;
-        impl = m.impl;
-    }
-    return *this;
-}
-
-void Mutex::lock() { impl->lock(); }
-void Mutex::unlock() { impl->unlock(); }
-bool Mutex::trylock() { return impl->trylock(); }
 
 
 //////////////////////////////// thread-local storage ////////////////////////////////