protected AsyncCallback PrepareAsyncCompletion(AsyncResult.AsyncCompletion callback)
{
if (this.beforePrepareAsyncCompletionAction != null)
{
this.beforePrepareAsyncCompletionAction();
}
this.nextAsyncCompletion = callback;
if (AsyncResult.asyncCompletionWrapperCallback == null)
{
AsyncResult.asyncCompletionWrapperCallback = Fx.ThunkCallback(new AsyncCallback(AsyncResult.AsyncCompletionWrapperCallback));
}
return(AsyncResult.asyncCompletionWrapperCallback);
}
public ScheduledOverlapped()
{
if (s_isWindows)
{
_nativeOverlapped = (new Overlapped()).UnsafePack(
Fx.ThunkCallback(new IOCompletionCallback(IOCallback)), null);
_postDelegate = PostIOCP;
}
else
{
_postDelegate = PostNewThread;
}
}
protected AsyncCallback PrepareAsyncCompletion(AsyncCompletion callback)
{
if (this.transactionContext != null)
{
if (this.transactionContext.IsPotentiallyAbandoned)
{
this.transactionContext = null;
}
else
{
this.transactionContext.Prepared();
}
}
this.nextAsyncCompletion = callback;
if (asyncCompletionWrapperCallback == null)
{
asyncCompletionWrapperCallback = Fx.ThunkCallback(new AsyncCallback(AsyncResult.AsyncCompletionWrapperCallback));
}
return(asyncCompletionWrapperCallback);
}
public unsafe ScheduledOverlapped()
{
this.nativeOverlapped = new Overlapped().UnsafePack(Fx.ThunkCallback(new IOCompletionCallback(this.IOCallback)), null);
}
static IOThreadCancellationTokenSource()
{
IOThreadCancellationTokenSource.onCancel = Fx.ThunkCallback <object>(new Action <object>(IOThreadCancellationTokenSource.OnCancel));
}
public IOAsyncResult(PersistencePipeline pipeline, bool isLoad, TimeSpan timeout, AsyncCallback callback, object state)
: base(callback, state)
{
this.pipeline = pipeline;
this.isLoad = isLoad;
this.pendingModules = this.pipeline.modules.Where(value => value.IsIOParticipant).ToArray();
this.remainingModules = this.pendingModules.Length;
bool completeSelf = false;
if (this.pendingModules.Length == 0)
{
completeSelf = true;
}
else
{
for (int i = 0; i < this.pendingModules.Length; i++)
{
Fx.Assert(!completeSelf, "Shouldn't have been completed yet.");
IPersistencePipelineModule module = this.pendingModules[i];
IAsyncResult result = null;
try
{
if (this.isLoad)
{
result = module.BeginOnLoad(this.pipeline.readWriteView, timeout, Fx.ThunkCallback(new AsyncCallback(OnIOComplete)), i);
}
else
{
result = module.BeginOnSave(this.pipeline.readWriteView, this.pipeline.writeOnlyView, timeout, Fx.ThunkCallback(new AsyncCallback(OnIOComplete)), i);
}
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
this.pendingModules[i] = null;
ProcessException(exception);
}
if (result == null)
{
if (CompleteOne())
{
completeSelf = true;
}
}
else if (result.CompletedSynchronously)
{
this.pendingModules[i] = null;
if (IOComplete(result, module))
{
completeSelf = true;
}
}
}
}
if (completeSelf)
{
Complete(true, this.exception);
}
}
public IOAsyncResult(PersistencePipeline pipeline, bool isLoad, TimeSpan timeout, AsyncCallback callback, object state) : base(callback, state)
{
this.pipeline = pipeline;
this.isLoad = isLoad;
this.pendingModules = (from value in this.pipeline.modules
where value.IsIOParticipant
select value).ToArray <IPersistencePipelineModule>();
this.remainingModules = this.pendingModules.Length;
bool flag = false;
if (this.pendingModules.Length == 0)
{
flag = true;
}
else
{
for (int i = 0; i < this.pendingModules.Length; i++)
{
IPersistencePipelineModule module = this.pendingModules[i];
IAsyncResult result = null;
try
{
if (this.isLoad)
{
result = module.BeginOnLoad(this.pipeline.readWriteView, timeout, Fx.ThunkCallback(new AsyncCallback(this.OnIOComplete)), i);
}
else
{
result = module.BeginOnSave(this.pipeline.readWriteView, this.pipeline.writeOnlyView, timeout, Fx.ThunkCallback(new AsyncCallback(this.OnIOComplete)), i);
}
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
this.pendingModules[i] = null;
this.ProcessException(exception);
}
if (result == null)
{
if (this.CompleteOne())
{
flag = true;
}
}
else if (result.CompletedSynchronously)
{
this.pendingModules[i] = null;
if (this.IOComplete(result, module))
{
flag = true;
}
}
}
}
if (flag)
{
base.Complete(true, this.exception);
}
}
