afb81b8278
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73 lines
1.5 KiB
C++
73 lines
1.5 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_QT
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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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#include <QtCore/QThreadPool>
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namespace crl::details {
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template <typename Callable>
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class Runnable : public QRunnable {
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public:
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Runnable(Callable &&callable) : _callable(std::move(callable)) {
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}
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void run() override {
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_callable();
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}
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private:
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Callable _callable;
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};
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template <typename Callable>
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inline auto create_runnable(Callable &&callable) {
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if constexpr (std::is_reference_v<Callable>) {
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auto copy = callable;
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return create_runnable(std::move(copy));
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} else {
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return new Runnable<Callable>(std::move(callable));
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}
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}
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template <typename Callable>
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inline void async_any(Callable &&callable) {
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if (const auto pool = QThreadPool::globalInstance()) {
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pool->start(create_runnable(std::forward<Callable>(callable)));
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}
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}
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inline void async_plain(void (*callable)(void*), void *argument) {
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async_any([=] {
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callable(argument);
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});
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}
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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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details::async_any(std::forward<Callable>(callable));
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}
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} // namespace crl
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#endif // CRL_USE_QT
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