Engine directory for ticket #1

Engine/source/core/threadStatic.cpp

@@ -0,0 +1,113 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "core/threadStatic.h"
+
+//-----------------------------------------------------------------------------
+// Statics
+U32 _TorqueThreadStatic::mListIndex = 0;
+
+_TorqueThreadStaticReg *_TorqueThreadStaticReg::smFirst = NULL;
+//-----------------------------------------------------------------------------
+
+inline Vector<TorqueThreadStaticList> &_TorqueThreadStaticReg::getThreadStaticListVector()
+{
+   // This function assures that the static vector of ThreadStatics will get initialized
+   // before first use.
+   static Vector<TorqueThreadStaticList> sTorqueThreadStaticVec( __FILE__, __LINE__ );
+
+   return sTorqueThreadStaticVec;
+}
+
+//-----------------------------------------------------------------------------
+
+// Destructor, size should == 1 otherwise someone didn't clean up, or someone
+// did horrible things to list index 0
+_TorqueThreadStaticReg::~_TorqueThreadStaticReg()
+{
+   AssertFatal( getThreadStaticListVector().size() == 1, "Destruction of static list was not performed on program exit" );
+}
+
+//-----------------------------------------------------------------------------
+
+void _TorqueThreadStaticReg::destroyInstances()
+{
+   // mThreadStaticInstances[0] does *not* need to be deallocated
+   // because all members of the list are pointers to static memory
+   while( getThreadStaticListVector().size() > 1 )
+   {
+      // Delete the members of this list
+      while( getThreadStaticListVector().last().size() )
+      {
+         _TorqueThreadStatic *biscuit = getThreadStaticListVector().last().first();
+
+         // Erase the vector entry
+         getThreadStaticListVector().last().pop_front();
+
+         // And finally the memory
+         delete biscuit;
+      }
+
+      // Remove the entry from the list of lists
+      getThreadStaticListVector().pop_back();
+   }
+}
+
+//-----------------------------------------------------------------------------
+
+void _TorqueThreadStaticReg::destroyInstance( TorqueThreadStaticList *instanceList )
+{
+   AssertFatal( instanceList != &getThreadStaticListVector().first(), "Cannot delete static instance list index 0" );
+
+   while( instanceList->size() )
+   {
+      _TorqueThreadStatic *biscuit = getThreadStaticListVector().last().first();
+
+      // Erase the vector entry
+      getThreadStaticListVector().last().pop_front();
+
+      // And finally the memory
+      delete biscuit;
+   }
+
+   getThreadStaticListVector().erase( instanceList );
+}
+
+//-----------------------------------------------------------------------------
+
+TorqueThreadStaticListHandle _TorqueThreadStaticReg::spawnThreadStaticsInstance()
+{
+   AssertFatal( getThreadStaticListVector().size() > 0, "List is not initialized somehow" );
+
+   // Add a new list of static instances
+   getThreadStaticListVector().increment();
+
+   // Copy mThreadStaticInstances[0] (master copy) into new memory, and
+   // pass it back.
+   for( int i = 0; i < getThreadStaticListVector()[0].size(); i++ )
+   {
+      getThreadStaticListVector().last().push_back( getThreadStaticListVector()[0][i]->_createInstance() );
+   }
+
+   // Return list index of newly allocated static instance list
+   return &getThreadStaticListVector().last();
+}