mirror of
https://github.com/tribufu/sdk-cpp
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84 lines
2.4 KiB
C++
Vendored
84 lines
2.4 KiB
C++
Vendored
/***
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* Copyright (C) Microsoft. All rights reserved.
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* Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
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*
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* =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
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*
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* Utilities to convert between PPL tasks and PPLX tasks
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*
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* For the latest on this and related APIs, please see: https://github.com/Microsoft/cpprestsdk
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*
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* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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****/
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#pragma once
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#ifndef _PPLXCONV_H
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#define _PPLXCONV_H
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#ifndef _WIN32
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#error This is only supported on Windows
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#endif
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#if defined(_MSC_VER) && (_MSC_VER >= 1700) && (_MSC_VER < 1800) && !CPPREST_FORCE_PPLX
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#include "pplx/pplxtasks.h"
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#include <ppltasks.h>
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namespace pplx
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{
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namespace _Ppl_conv_helpers
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{
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template<typename _Tc, typename _F>
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auto _Set_value(_Tc _Tcp, const _F& _Func) -> decltype(_Tcp.set(_Func()))
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{
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return _Tcp.set(_Func());
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}
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template<typename _Tc, typename _F>
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auto _Set_value(_Tc _Tcp, const _F& _Func, ...) -> decltype(_Tcp.set())
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{
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_Func();
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return _Tcp.set();
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}
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template<typename _TaskType, typename _OtherTaskType, typename _OtherTCEType>
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_OtherTaskType _Convert_task(_TaskType _Task)
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{
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_OtherTCEType _Tc;
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_Task.then([_Tc](_TaskType _Task2) {
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try
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{
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_Ppl_conv_helpers::_Set_value(_Tc, [=] { return _Task2.get(); });
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}
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catch (...)
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{
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_Tc.set_exception(std::current_exception());
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}
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});
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_OtherTaskType _T_other(_Tc);
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return _T_other;
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}
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} // namespace _Ppl_conv_helpers
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template<typename _TaskType>
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concurrency::task<_TaskType> pplx_task_to_concurrency_task(pplx::task<_TaskType> _Task)
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{
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return _Ppl_conv_helpers::_Convert_task<typename pplx::task<_TaskType>,
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concurrency::task<_TaskType>,
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concurrency::task_completion_event<_TaskType>>(_Task);
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}
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template<typename _TaskType>
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pplx::task<_TaskType> concurrency_task_to_pplx_task(concurrency::task<_TaskType> _Task)
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{
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return _Ppl_conv_helpers::_Convert_task<typename concurrency::task<_TaskType>,
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pplx::task<_TaskType>,
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pplx::task_completion_event<_TaskType>>(_Task);
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}
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} // namespace pplx
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#endif
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#endif // _PPLXCONV_H
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