void CLR_RT_HeapBlock_Timer::SpawnTimer( CLR_RT_Thread* th )
{
NATIVE_PROFILE_CLR_CORE();
//Only one managed timer max
_ASSERTE(m_references.NumOfNodes() == 1);
CLR_RT_ObjectToEvent_Source* ref = (CLR_RT_ObjectToEvent_Source*)m_references.FirstValidNode();
CLR_RT_HeapBlock* managedTimer = ref->m_objectPtr;
CLR_RT_HeapBlock* callback = &managedTimer[ Library_corlib_native_System_Threading_Timer::FIELD__m_callback ];
CLR_RT_HeapBlock* state = &managedTimer[ Library_corlib_native_System_Threading_Timer::FIELD__m_state ];
CLR_RT_HeapBlock_Delegate* delegate = callback->DereferenceDelegate();
CLR_RT_ProtectFromGC gc( *managedTimer );
_ASSERTE(delegate != NULL); if(delegate == NULL) return;
_ASSERTE(delegate->DataType() == DATATYPE_DELEGATE_HEAD);
m_ticksLastExpiration = g_CLR_RT_ExecutionEngine.m_currentMachineTime;
m_timeLastExpiration = m_timeExpire;
m_timeExpire = TIMEOUT_INFINITE;
if(SUCCEEDED(th->PushThreadProcDelegate( delegate )))
{
CLR_RT_StackFrame* stack = th->FirstFrame();
if(stack->Next() != NULL)
{
int numArgs = stack->m_call.m_target->numArgs;
if(numArgs > 0)
{
stack->m_arguments[ numArgs-1 ].Assign( *state );
}
}
//
// Associate the timer with the thread.
//
m_flags |= CLR_RT_HeapBlock_Timer::c_Executing;
m_flags &= ~CLR_RT_HeapBlock_Timer::c_Triggered;
th->m_terminationCallback = CLR_RT_HeapBlock_Timer::ThreadTerminationCallback;
th->m_terminationParameter = this;
}
}
HRESULT CLR_RT_HeapBlock_Delegate_List::Change( CLR_RT_HeapBlock& reference, CLR_RT_HeapBlock& delegateSrc, CLR_RT_HeapBlock& delegateTarget, bool fCombine, bool fWeak )
{
NATIVE_PROFILE_CLR_CORE();
TINYCLR_HEADER();
CLR_RT_HeapBlock_Delegate_List* dlgListSrc;
CLR_RT_HeapBlock_Delegate_List* dlgListDst;
CLR_RT_HeapBlock_Delegate* dlg;
CLR_RT_HeapBlock* newDlgs;
CLR_RT_HeapBlock* oldDlgs;
CLR_UINT32 oldNum;
CLR_UINT32 newNum;
CLR_UINT32 num = 0;
reference.SetObjectReference( NULL );
if(delegateSrc .DataType() != DATATYPE_OBJECT ||
delegateTarget.DataType() != DATATYPE_OBJECT )
{
TINYCLR_SET_AND_LEAVE(CLR_E_WRONG_TYPE);
}
dlg = delegateTarget.DereferenceDelegate();
if(dlg == NULL)
{
reference.SetObjectReference( delegateSrc.DereferenceDelegate() );
TINYCLR_SET_AND_LEAVE(S_OK);
}
if(dlg->DataType() == DATATYPE_DELEGATELIST_HEAD)
{
CLR_RT_HeapBlock intermediate; intermediate.Assign( delegateSrc );
CLR_RT_ProtectFromGC gc( intermediate );
dlgListDst = (CLR_RT_HeapBlock_Delegate_List*)dlg;
newDlgs = dlgListDst->GetDelegates();
for(num=0; num<dlgListDst->m_length; num++, newDlgs++)
{
if(newDlgs->DataType() == DATATYPE_OBJECT && newDlgs->DereferenceDelegate() != NULL) // The delegate could have been GC'ed.
{
TINYCLR_CHECK_HRESULT(Change( reference, intermediate, *newDlgs, fCombine, fWeak ));
intermediate.Assign( reference );
}
}
}
else
{
dlgListSrc = delegateSrc.DereferenceDelegateList();
if(dlgListSrc == NULL)
{
oldDlgs = NULL;
oldNum = 0;
}
else
{
switch(dlgListSrc->DataType())
{
case DATATYPE_DELEGATE_HEAD:
oldDlgs = &delegateSrc;
oldNum = 1;
break;
case DATATYPE_DELEGATELIST_HEAD:
oldDlgs = dlgListSrc->GetDelegates();
oldNum = dlgListSrc->m_length;
break;
default:
TINYCLR_SET_AND_LEAVE(CLR_E_WRONG_TYPE);
}
}
if(fCombine)
{
if(oldNum == 0 && fWeak == false)
{
//
// Empty input list, copy the delegate.
//
reference.Assign( delegateTarget );
TINYCLR_SET_AND_LEAVE(S_OK);
}
//--//
newNum = oldNum + 1;
}
else
{
for(num=0, newDlgs=oldDlgs; num<oldNum; num++, newDlgs++)
{
CLR_RT_HeapBlock_Delegate* ptr = newDlgs->DereferenceDelegate();
if(ptr)
{
if( ptr->DelegateFtn().m_data == dlg->DelegateFtn().m_data &&
ptr->m_object.Dereference() == dlg->m_object.Dereference() )
{
break;
}
}
}
if(num == oldNum)
{
reference.Assign( delegateSrc ); // Nothing to remove.
TINYCLR_SET_AND_LEAVE(S_OK);
}
if(oldNum == 2 && (dlgListSrc->m_flags & CLR_RT_HeapBlock_Delegate_List::c_Weak) == 0)
{
reference.Assign( oldDlgs[ 1-num ] ); // Convert from a list to delegate.
TINYCLR_SET_AND_LEAVE(S_OK);
}
if(oldNum == 1)
{
reference.SetObjectReference( NULL ); // Oops, empty delegate...
TINYCLR_SET_AND_LEAVE(S_OK);
}
//--//
newNum = oldNum - 1;
}
TINYCLR_CHECK_HRESULT(CLR_RT_HeapBlock_Delegate_List::CreateInstance( dlgListDst, newNum ));
dlgListDst->m_cls = dlg->m_cls;
newDlgs = dlgListDst->GetDelegates();
if(fCombine)
{
newDlgs = dlgListDst->CopyAndCompress( oldDlgs, newDlgs, oldNum );
newDlgs->Assign( delegateTarget );
}
else
{
newDlgs = dlgListDst->CopyAndCompress( oldDlgs , newDlgs, num++ );
newDlgs = dlgListDst->CopyAndCompress( oldDlgs + num, newDlgs, oldNum - num );
}
dlgListDst->m_flags = (dlgListSrc && oldNum > 1) ? dlgListSrc->m_flags : 0;
if(fWeak) dlgListDst->m_flags |= CLR_RT_HeapBlock_Delegate_List::c_Weak;
reference.SetObjectReference( dlgListDst );
}
TINYCLR_NOCLEANUP();
}
