public static ThreadSnapshot[] GetProfileWithRelease(out Int32 hr)
{
ThreadSnapshot[] res = new ThreadSnapshot[0];
try
{
res = GetProfile(out hr);
}
finally
{
ReleaseProfile();
}
return(res);
}
public static ThreadSnapshot[] GetProfile(out Int32 hr)
{
Int32 hresult = RequestProfile(out IntPtr nativeSnapshots, out int snapshotLength);
hr = hresult;
if (hresult >= 0 && IntPtr.Zero != nativeSnapshots && snapshotLength > 0)
{
ThreadSnapshot[] marshalledSnapshots = new ThreadSnapshot[snapshotLength];
for (int indx = 0; indx != snapshotLength; ++indx)
{
marshalledSnapshots[indx] = new ThreadSnapshot();
marshalledSnapshots[indx].ThreadId = ReadUIntPtr(nativeSnapshots);
nativeSnapshots += ThreadID.Size;
marshalledSnapshots[indx].ErrorCode = Marshal.ReadInt32(nativeSnapshots);
nativeSnapshots += sizeof(Int32);
// did we get stack walk? nominally 0 or 1 if the stack was too deep
if (marshalledSnapshots[indx].ErrorCode >= 0)
{
Int32 countOfSnapshots = Marshal.ReadInt32(nativeSnapshots);
nativeSnapshots += sizeof(Int32);
marshalledSnapshots[indx].FunctionIDs = new UIntPtr[countOfSnapshots];
if (countOfSnapshots > 0)
{
IntPtr FunctionIDPointer = Marshal.ReadIntPtr(nativeSnapshots);
for (int fidx = 0; fidx != countOfSnapshots; ++fidx, FunctionIDPointer += IntPtr.Size)
{
marshalledSnapshots[indx].FunctionIDs[fidx] = ReadUIntPtr(FunctionIDPointer);
}
}
nativeSnapshots += IntPtr.Size;
}
else
{
nativeSnapshots += sizeof(Int32) + IntPtr.Size;
}
}
return(marshalledSnapshots);
}
else
{
return(new ThreadSnapshot[0]);
}
}
