afb81b8278
Some checks failed
Docker. / Ubuntu (push) Has been cancelled
User-agent updater. / User-agent (push) Failing after 15s
Lock Threads / lock (push) Failing after 10s
Waiting for answer. / waiting-for-answer (push) Failing after 22s
Close stale issues and PRs / stale (push) Successful in 13s
Needs user action. / needs-user-action (push) Failing after 8s
Can't reproduce. / cant-reproduce (push) Failing after 8s
87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
// This file is part of Desktop App Toolkit,
|
|
// a set of libraries for developing nice desktop applications.
|
|
//
|
|
// For license and copyright information please follow this link:
|
|
// https://github.com/desktop-app/legal/blob/master/LEGAL
|
|
//
|
|
#pragma once
|
|
|
|
#include <crl/common/crl_common_config.h>
|
|
|
|
#if defined CRL_USE_DISPATCH && !defined CRL_FORCE_COMMON_QUEUE
|
|
|
|
#include <crl/common/crl_common_utils.h>
|
|
#include <memory>
|
|
#include <atomic>
|
|
|
|
namespace crl {
|
|
|
|
class queue {
|
|
public:
|
|
queue();
|
|
|
|
template <
|
|
typename Callable,
|
|
typename Return = decltype(std::declval<Callable>()())>
|
|
void async(Callable &&callable) {
|
|
using Function = std::decay_t<Callable>;
|
|
|
|
if constexpr (details::is_plain_function_v<Function, Return>) {
|
|
using Plain = Return(*)();
|
|
const auto copy = static_cast<Plain>(callable);
|
|
async_plain([](void *passed) {
|
|
const auto callable = reinterpret_cast<Plain>(passed);
|
|
(*callable)();
|
|
}, reinterpret_cast<void*>(copy));
|
|
} else {
|
|
const auto copy = new Function(std::forward<Callable>(callable));
|
|
async_plain([](void *passed) {
|
|
const auto callable = static_cast<Function*>(passed);
|
|
const auto guard = details::finally([=] { delete callable; });
|
|
(*callable)();
|
|
}, static_cast<void*>(copy));
|
|
}
|
|
}
|
|
|
|
template <
|
|
typename Callable,
|
|
typename Return = decltype(std::declval<Callable>()())>
|
|
void sync(Callable &&callable) {
|
|
using Function = std::decay_t<Callable>;
|
|
|
|
if constexpr (details::is_plain_function_v<Function, Return>) {
|
|
using Plain = Return(*)();
|
|
const auto copy = static_cast<Plain>(callable);
|
|
sync_plain([](void *passed) {
|
|
const auto callable = reinterpret_cast<Plain>(passed);
|
|
(*callable)();
|
|
}, reinterpret_cast<void*>(copy));
|
|
} else {
|
|
const auto copy = new Function(std::forward<Callable>(callable));
|
|
sync_plain([](void *passed) {
|
|
const auto callable = static_cast<Function*>(passed);
|
|
const auto guard = details::finally([=] { delete callable; });
|
|
(*callable)();
|
|
}, static_cast<void*>(copy));
|
|
}
|
|
}
|
|
|
|
private:
|
|
// Hide dispatch_queue_t
|
|
struct implementation {
|
|
using pointer = void*;
|
|
static pointer create();
|
|
void operator()(pointer value);
|
|
};
|
|
|
|
void async_plain(void (*callable)(void*), void *argument);
|
|
void sync_plain(void (*callable)(void*), void *argument);
|
|
|
|
std::unique_ptr<implementation::pointer, implementation> _handle;
|
|
|
|
};
|
|
|
|
} // namespace crl
|
|
|
|
#endif // CRL_USE_DISPATCH && !CRL_FORCE_COMMON_QUEUE
|