private void DisposeAll()
{
BeforeCollect?.Invoke(this, new CollectArgs()
{
ObjectCount = _objQueue.Count
});
#if FINALIZER_CHECK
lock (_queueLock)
#endif
{
#if FINALIZER_CHECK
ValidateRefCount();
#endif
IntPtr obj;
Runtime.PyErr_Fetch(out var errType, out var errVal, out var traceback);
try
{
while (!_objQueue.IsEmpty)
{
if (!_objQueue.TryDequeue(out obj))
{
continue;
}
Runtime.XDecref(obj);
try
{
Runtime.CheckExceptionOccurred();
}
catch (Exception e)
{
var errorArgs = new ErrorArgs
{
Error = e,
};
ErrorHandler?.Invoke(this, errorArgs);
if (!errorArgs.Handled)
{
throw new FinalizationException(
"Python object finalization failed",
disposable: obj, innerException: e);
}
}
}
}
finally
{
// Python requires finalizers to preserve exception:
// https://docs.python.org/3/extending/newtypes.html#finalization-and-de-allocation
Runtime.PyErr_Restore(errType.StealNullable(), errVal.StealNullable(), traceback.StealNullable());
}
}
}
/// <summary>
/// Raises the BeforeCollect event.
/// </summary>
/// <remarks>
/// Objects that participate in Garbage Collection should associate a callback within the constructor that calls this function.
/// </remarks>
/// <param name="e"></param>
protected virtual void OnBeforeCollect(IntPtr handle, IntPtr callbackState)
{
if (null != BeforeCollect)
{
lock (BeforeCollect)
{
BeforeCollect.Invoke(this, new BaristaObjectBeforeCollectEventArgs(handle, callbackState));
}
}
}