43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file completionToken.I
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* @author rdb
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* @date 2025-01-22
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*/
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#ifndef CPPPARSER
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/**
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* Creates a token that calls the given callback when it's done, passing it
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* true on success and false on failure or abandonment.
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*/
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template<class Callable>
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INLINE CompletionToken::
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CompletionToken(Callable callback) {
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// Main difference over a Completable is that this will always call the
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// callback, even on failure, so that cleanup can be done.
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_callback._data = new Completable::LambdaData<Callable>(std::move(callback), [](Completable::Data *data, bool success) {
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Completable::LambdaData<Callable> *self = (Completable::LambdaData<Callable> *)data;
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std::move(self->_lambda)(success);
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delete self;
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});
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}
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#endif
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/**
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*
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*/
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INLINE void CompletionToken::
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complete(bool success) {
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Completable::Data *data = _callback._data;
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if (data != nullptr) {
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_callback._data = nullptr;
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data->_function.load(std::memory_order_relaxed)(data, success);
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}
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}
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