Merge remote-tracking branch 'upstream/3.4' into merge-3.4

modules/core/include/opencv2/core/types.hpp

@@ -714,24 +714,24 @@ public:
     //! the default constructor
     CV_WRAP KeyPoint();
     /**
-    @param _pt x & y coordinates of the keypoint
-    @param _size keypoint diameter
-    @param _angle keypoint orientation
-    @param _response keypoint detector response on the keypoint (that is, strength of the keypoint)
-    @param _octave pyramid octave in which the keypoint has been detected
-    @param _class_id object id
+    @param pt x & y coordinates of the keypoint
+    @param size keypoint diameter
+    @param angle keypoint orientation
+    @param response keypoint detector response on the keypoint (that is, strength of the keypoint)
+    @param octave pyramid octave in which the keypoint has been detected
+    @param class_id object id
      */
-    KeyPoint(Point2f _pt, float _size, float _angle=-1, float _response=0, int _octave=0, int _class_id=-1);
+    KeyPoint(Point2f pt, float size, float angle=-1, float response=0, int octave=0, int class_id=-1);
     /**
     @param x x-coordinate of the keypoint
     @param y y-coordinate of the keypoint
-    @param _size keypoint diameter
-    @param _angle keypoint orientation
-    @param _response keypoint detector response on the keypoint (that is, strength of the keypoint)
-    @param _octave pyramid octave in which the keypoint has been detected
-    @param _class_id object id
+    @param size keypoint diameter
+    @param angle keypoint orientation
+    @param response keypoint detector response on the keypoint (that is, strength of the keypoint)
+    @param octave pyramid octave in which the keypoint has been detected
+    @param class_id object id
      */
-    CV_WRAP KeyPoint(float x, float y, float _size, float _angle=-1, float _response=0, int _octave=0, int _class_id=-1);
+    CV_WRAP KeyPoint(float x, float y, float size, float angle=-1, float response=0, int octave=0, int class_id=-1);
 
     size_t hash() const;
 

modules/core/src/precomp.hpp

@@ -375,6 +375,8 @@ cv::Mutex& getInitializationMutex();
 #define CV_SINGLETON_LAZY_INIT(TYPE, INITIALIZER) CV_SINGLETON_LAZY_INIT_(TYPE, INITIALIZER, instance)
 #define CV_SINGLETON_LAZY_INIT_REF(TYPE, INITIALIZER) CV_SINGLETON_LAZY_INIT_(TYPE, INITIALIZER, *instance)
 
+CV_EXPORTS void releaseTlsStorageThread();
+
 int cv_snprintf(char* buf, int len, const char* fmt, ...);
 int cv_vsnprintf(char* buf, int len, const char* fmt, va_list args);
 }

modules/core/src/system.cpp

@@ -1520,6 +1520,9 @@ struct ThreadData
     size_t idx;               // Thread index in TLS storage. This is not OS thread ID!
 };
 
+
+static bool g_isTlsStorageInitialized = false;
+
 // Main TLS storage class
 class TlsStorage
 {
@@ -1529,6 +1532,7 @@ public:
     {
         tlsSlots.reserve(32);
         threads.reserve(32);
+        g_isTlsStorageInitialized = true;
     }
     ~TlsStorage()
     {
@@ -1747,6 +1751,13 @@ static void WINAPI opencv_fls_destructor(void* pData)
 } // namespace details
 using namespace details;
 
+void releaseTlsStorageThread()
+{
+    if (!g_isTlsStorageInitialized)
+        return;  // nothing to release, so prefer to avoid creation of new global structures
+    getTlsStorage().releaseThread();
+}
+
 TLSDataContainer::TLSDataContainer()
 {
     key_ = (int)getTlsStorage().reserveSlot(this); // Reserve key from TLS storage
@@ -1830,7 +1841,7 @@ BOOL WINAPI DllMain(HINSTANCE, DWORD fdwReason, LPVOID lpReserved)
         {
             // Not allowed to free resources if lpReserved is non-null
             // http://msdn.microsoft.com/en-us/library/windows/desktop/ms682583.aspx
-            cv::getTlsStorage().releaseThread();
+            releaseTlsStorageThread();
         }
     }
     return TRUE;