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51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include <crl/common/crl_common_config.h>
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#ifdef CRL_USE_WINAPI
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#include <crl/common/crl_common_utils.h>
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#include <crl/common/crl_common_sync.h>
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#include <type_traits>
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namespace crl::details {
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void async_plain(void (*callable)(void*), void *argument);
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} // namespace crl::details
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namespace crl {
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template <
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typename Callable,
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typename Return = decltype(std::declval<Callable>()())>
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inline void async(Callable &&callable) {
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using Function = std::decay_t<Callable>;
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if constexpr (details::is_plain_function_v<Function, Return>) {
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using Plain = Return(*)();
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const auto copy = static_cast<Plain>(callable);
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details::async_plain([](void *passed) {
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const auto callable = reinterpret_cast<Plain>(passed);
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(*callable)();
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}, reinterpret_cast<void*>(copy));
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} else {
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const auto copy = new Function(std::forward<Callable>(callable));
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details::async_plain([](void *passed) {
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const auto callable = static_cast<Function*>(passed);
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const auto guard = details::finally([=] { delete callable; });
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(*callable)();
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}, static_cast<void*>(copy));
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}
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}
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} // namespace crl
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#endif // CRL_USE_WINAPI
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