public override LiveWatchNodeState UpdateState(LiveWatchUpdateContext context)
{
var result = new LiveWatchNodeState {
Icon = LiveWatchNodeIcon.Thread
};
if (context.PreloadChildren)
{
result.NewChildren = _Root.RefreshThreadList();
}
return(result);
}
public override LiveWatchNodeState UpdateState(LiveWatchUpdateContext context)
{
var result = new LiveWatchNodeState {
Icon = LiveWatchNodeIcon.Queue
};
if (context.PreloadChildren)
{
if (_Children == null)
{
_Children = _Root.GetAllQueues();
}
result.NewChildren = _Children;
}
return(result);
}
public override LiveWatchNodeState UpdateState(LiveWatchUpdateContext context)
{
var result = new LiveWatchNodeState {
Icon = LiveWatchNodeIcon.Graph
};
if (_xSchedulerRunning != null)
{
if (_xSchedulerRunning.GetValue().ToUlong() != 0)
{
result.Value = "active";
}
else
{
result.Value = "inactive";
}
}
return(result);
}
public override LiveWatchNodeState UpdateState(LiveWatchUpdateContext context)
{
if (_PointerVariable != null)
{
var address = _PointerVariable.GetValue().ToUlong() & ~1UL;
if (address != _QueueVariable?.Address)
{
_QueueVariable = _Engine.Symbols.CreateTypedVariable(address, _QueueType);
}
}
if (_QueueVariable != null && _QueueVariable.Address != _Variables.LastKnownAddress)
{
_Variables.LastKnownAddress = _QueueVariable.Address;
//The previous instance will get auto-disposed by VisualGDB.
_QueueObjectNode = null;
_Variables.Reset();
if (_QueueVariable.Address != 0)
{
_Variables.uxMessagesWaiting = _Engine.CreateLiveVariable(_QueueVariable.LookupSpecificChild(nameof(_Variables.uxMessagesWaiting)));
_Variables.uxLength = _Engine.CreateLiveVariable(_QueueVariable.LookupSpecificChild(nameof(_Variables.uxLength)));
_Variables.u_xSemaphore_xMutexHolder = _Engine.CreateLiveVariable(_QueueVariable.LookupChildRecursively("u.xSemaphore.xMutexHolder"));
_Variables.u_xSemaphore_uxRecursiveCallCount = _Engine.CreateLiveVariable(_QueueVariable.LookupChildRecursively("u.xSemaphore.uxRecursiveCallCount"));
}
}
if (context.PreloadChildren && _QueueVariable != null && _QueueObjectNode == null && _QueueVariable.Address != 0)
{
_QueueObjectNode = _Engine.CreateNodeForPinnedVariable(_QueueVariable, new LiveWatchNodeOverrides {
Name = "[Object]"
});
}
var result = new LiveWatchNodeState();
if ((_QueueVariable?.Address ?? 0) == 0)
{
result.Value = "[NULL]";
}
else if (_Variables.uxLength == null || _Variables.uxMessagesWaiting == null)
{
result.Value = "???";
}
else
{
if (_Descriptor.TypeOverride != null && !_StaticType.HasValue)
{
var typeVar = _QueueVariable.LookupSpecificChild("ucQueueType");
if (typeVar != null)
{
_StaticType = (QueueType)_Engine.ReadMemory(typeVar).ToUlong();
RawType = _StaticType.Value.ToString();
}
}
var detectedType = _StaticType ?? _Descriptor.Type;
var rawValue = _Variables.uxMessagesWaiting.GetValue();
int value = (int)rawValue.ToUlong();
int maxValue = (int)_Variables.uxLength.GetValue().ToUlong();
ulong owner = 0, level = 0;
if (detectedType != QueueType.BaseQueue && _Variables.u_xSemaphore_xMutexHolder != null && _Variables.u_xSemaphore_uxRecursiveCallCount != null)
{
owner = _Variables.u_xSemaphore_xMutexHolder.GetValue().ToUlong();
level = _Variables.u_xSemaphore_uxRecursiveCallCount.GetValue().ToUlong();
if (owner == _QueueVariable.Address)
{
detectedType = QueueType.Semaphore;
}
else
{
detectedType = QueueType.RecursiveMutex;
}
}
if (detectedType == QueueType.RecursiveMutex || detectedType == QueueType.NonRecursiveMutex)
{
if (value != 0)
{
result.Value = "free";
RawValue = new LiveVariableValue(rawValue.Timestamp, rawValue.Generation, BitConverter.GetBytes(0));
}
else if (_Variables.u_xSemaphore_xMutexHolder != null && _Variables.u_xSemaphore_uxRecursiveCallCount != null)
{
string threadName = _Root.GetThreadName(owner);
result.Value = $"taken by {threadName}";
if (level >= 1)
{
result.Value += $" (recursion = {level})";
}
RawValue = new LiveVariableValue(rawValue.Timestamp, rawValue.Generation, BitConverter.GetBytes((int)level + 1));
}
else
{
result.Value = "taken";
}
}
else
{
RawValue = rawValue;
result.Value = $"{value}/{maxValue}";
}
result.NewType = detectedType.ToString();
switch (detectedType)
{
case QueueType.BinarySemaphore:
case QueueType.Semaphore:
case QueueType.RecursiveMutex:
case QueueType.NonRecursiveMutex:
result.Icon = LiveWatchNodeIcon.Flag;
break;
case QueueType.BaseQueue:
result.Icon = LiveWatchNodeIcon.Queue;
break;
}
if (context.PreloadChildren)
{
ProvideWaitingThreadsNodes(detectedType);
result.NewChildren = new[] { _ReadThreadQueue, _WriteThreadQueue, _QueueObjectNode }.Where(n => n != null).ToArray();
}
}
return(result);
}
