/* allocates a memory block */
void * hb_gcAllocRaw( HB_SIZE nSize, const HB_GC_FUNCS * pFuncs )
{
PHB_GARBAGE pAlloc;
pAlloc = HB_GARBAGE_NEW( nSize );
pAlloc->pFuncs = pFuncs;
pAlloc->locked = 0;
pAlloc->used = s_uUsedFlag;
HB_GC_LOCK();
#ifdef HB_GC_AUTO
if( s_ulBlocks > s_ulBlocksCheck )
{
HB_GC_UNLOCK();
hb_gcCollectAll( HB_TRUE );
HB_GC_LOCK();
pAlloc->used = s_uUsedFlag;
}
HB_GC_AUTO_INC();
#endif
hb_gcLink( &s_pCurrBlock, pAlloc );
HB_GC_UNLOCK();
return HB_BLOCK_PTR( pAlloc ); /* hide the internal data */
}
/* allocates a memory block */
void * hb_gcAllocate( HB_SIZE nSize, const HB_GC_FUNCS * pFuncs )
{
PHB_GARBAGE pAlloc;
pAlloc = HB_GARBAGE_NEW( nSize );
pAlloc->pFuncs = pFuncs;
pAlloc->locked = 1;
pAlloc->used = s_uUsedFlag;
HB_GC_LOCK();
hb_gcLink( &s_pLockedBlock, pAlloc );
HB_GC_UNLOCK();
return HB_BLOCK_PTR( pAlloc ); /* hide the internal data */
}
HB_ITEM_PTR hb_gcGripGet( HB_ITEM_PTR pOrigin )
{
HB_GARBAGE_PTR pAlloc;
#ifdef GC_RECYCLE
HB_CRITICAL_LOCK( hb_garbageAllocMutex );
if( s_pAvailableItems )
{
pAlloc = s_pAvailableItems;
hb_gcUnlink( &s_pAvailableItems, s_pAvailableItems );
HB_CRITICAL_UNLOCK( hb_garbageAllocMutex );
}
else
{
HB_CRITICAL_UNLOCK( hb_garbageAllocMutex );
pAlloc = ( HB_GARBAGE_PTR ) hb_xgrab( sizeof( HB_ITEM ) + sizeof( HB_GARBAGE ) );
}
#else
pAlloc = HB_GARBAGE_NEW( sizeof( HB_ITEM ) + sizeof( HB_GARBAGE ) );
#endif
if( pAlloc )
{
HB_ITEM_PTR pItem = ( HB_ITEM_PTR )( pAlloc + 1 );
pAlloc->pFunc = hb_gcGripRelease;
pAlloc->locked = 1;
pAlloc->used = s_uUsedFlag;
pItem->type = HB_IT_NIL;
if( pOrigin )
{
hb_itemCopy( pItem, pOrigin );
}
HB_THREAD_GUARD( hb_garbageAllocMutex, hb_gcLink( &s_pLockedBlock, pAlloc ) );
return pItem;
}
else
{
return NULL;
}
}
/* allocates a memory block */
void * hb_gcAlloc( ULONG ulSize, HB_GARBAGE_FUNC_PTR pCleanupFunc )
{
HB_GARBAGE_PTR pAlloc;
#ifdef GC_RECYCLE
HB_CRITICAL_LOCK( hb_garbageAllocMutex );
if( s_pAvailableBaseArrays && ulSize == sizeof( HB_BASEARRAY ) )
{
pAlloc = s_pAvailableBaseArrays;
hb_gcUnlink( &s_pAvailableBaseArrays, s_pAvailableBaseArrays );
HB_CRITICAL_UNLOCK( hb_garbageAllocMutex );
}
else
{
HB_CRITICAL_UNLOCK( hb_garbageAllocMutex );
pAlloc = ( HB_GARBAGE_PTR ) hb_xgrab( ulSize + sizeof( HB_GARBAGE ) );
}
#else
pAlloc = HB_GARBAGE_NEW( ulSize + sizeof( HB_GARBAGE ) );
#endif
if( pAlloc )
{
pAlloc->pFunc = pCleanupFunc;
pAlloc->ulHolders = 0;
pAlloc->locked = 0;
pAlloc->used = s_uUsedFlag;
HB_CRITICAL_LOCK( hb_garbageAllocMutex );
s_uAllocated++;
s_uAllocatedCnt++;
hb_gcLink( &s_pCurrBlock, pAlloc );
HB_CRITICAL_UNLOCK( hb_garbageAllocMutex );
HB_TRACE( HB_TR_DEBUG, ( "hb_gcAlloc %p in %p", pAlloc + 1, pAlloc ) );
return (void *)( pAlloc + 1 ); /* hide the internal data */
}
else
{
return NULL;
}
}
PHB_ITEM hb_gcGripGet( PHB_ITEM pOrigin )
{
PHB_GARBAGE pAlloc = HB_GARBAGE_NEW( sizeof( HB_ITEM ) );
PHB_ITEM pItem = ( PHB_ITEM ) HB_BLOCK_PTR( pAlloc );
pAlloc->pFuncs = &s_gcGripFuncs;
pAlloc->locked = 1;
pAlloc->used = s_uUsedFlag;
pItem->type = HB_IT_NIL;
HB_GC_LOCK();
hb_gcLink( &s_pLockedBlock, pAlloc );
HB_GC_UNLOCK();
if( pOrigin )
hb_itemCopy( pItem, pOrigin );
return pItem;
}
