threadStatic.cpp

Detailed Description

  1
  2//-----------------------------------------------------------------------------
  3// Copyright (c) 2012 GarageGames, LLC
  4//
  5// Permission is hereby granted, free of charge, to any person obtaining a copy
  6// of this software and associated documentation files (the "Software"), to
  7// deal in the Software without restriction, including without limitation the
  8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  9// sell copies of the Software, and to permit persons to whom the Software is
 10// furnished to do so, subject to the following conditions:
 11//
 12// The above copyright notice and this permission notice shall be included in
 13// all copies or substantial portions of the Software.
 14//
 15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 21// IN THE SOFTWARE.
 22//-----------------------------------------------------------------------------
 23
 24#include "core/threadStatic.h"
 25
 26//-----------------------------------------------------------------------------
 27// Statics
 28U32 _TorqueThreadStatic::mListIndex = 0;
 29
 30_TorqueThreadStaticReg *_TorqueThreadStaticReg::smFirst = NULL;
 31//-----------------------------------------------------------------------------
 32
 33inline Vector<TorqueThreadStaticList> &_TorqueThreadStaticReg::getThreadStaticListVector()
 34{
 35   // This function assures that the static vector of ThreadStatics will get initialized
 36   // before first use.
 37   static Vector<TorqueThreadStaticList> sTorqueThreadStaticVec( __FILE__, __LINE__ );
 38
 39   return sTorqueThreadStaticVec;
 40}
 41
 42//-----------------------------------------------------------------------------
 43
 44// Destructor, size should == 1 otherwise someone didn't clean up, or someone
 45// did horrible things to list index 0
 46_TorqueThreadStaticReg::~_TorqueThreadStaticReg()
 47{
 48   AssertFatal( getThreadStaticListVector().size() == 1, "Destruction of static list was not performed on program exit" );
 49}
 50
 51//-----------------------------------------------------------------------------
 52
 53void _TorqueThreadStaticReg::destroyInstances()
 54{
 55   // mThreadStaticInstances[0] does *not* need to be deallocated
 56   // because all members of the list are pointers to static memory
 57   while( getThreadStaticListVector().size() > 1 )
 58   {
 59      // Delete the members of this list
 60      while( getThreadStaticListVector().last().size() )
 61      {
 62         _TorqueThreadStatic *biscuit = getThreadStaticListVector().last().first();
 63
 64         // Erase the vector entry
 65         getThreadStaticListVector().last().pop_front();
 66
 67         // And finally the memory
 68         delete biscuit;
 69      }
 70
 71      // Remove the entry from the list of lists
 72      getThreadStaticListVector().pop_back();
 73   }
 74}
 75
 76//-----------------------------------------------------------------------------
 77
 78void _TorqueThreadStaticReg::destroyInstance( TorqueThreadStaticList *instanceList )
 79{
 80   AssertFatal( instanceList != &getThreadStaticListVector().first(), "Cannot delete static instance list index 0" );
 81
 82   while( instanceList->size() )
 83   {
 84      _TorqueThreadStatic *biscuit = getThreadStaticListVector().last().first();
 85
 86      // Erase the vector entry
 87      getThreadStaticListVector().last().pop_front();
 88
 89      // And finally the memory
 90      delete biscuit;
 91   }
 92
 93   getThreadStaticListVector().erase( instanceList );
 94}
 95
 96//-----------------------------------------------------------------------------
 97
 98TorqueThreadStaticListHandle _TorqueThreadStaticReg::spawnThreadStaticsInstance()
 99{
100   AssertFatal( getThreadStaticListVector().size() > 0, "List is not initialized somehow" );
101
102   // Add a new list of static instances
103   getThreadStaticListVector().increment();
104
105   // Copy mThreadStaticInstances[0] (master copy) into new memory, and
106   // pass it back.
107   for( S32 i = 0; i < getThreadStaticListVector()[0].size(); i++ )
108   {
109      getThreadStaticListVector().last().push_back( getThreadStaticListVector()[0][i]->_createInstance() );
110   }
111
112   // Return list index of newly allocated static instance list
113   return &getThreadStaticListVector().last();
114}
115