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#ifndef SIGNAL_INL_H_
#error "Direct inclusion of this file is not allowed, include signal.h"
// For the sake of sane code completion.
#include "signal.h"
#endif
#undef SIGNAL_INL_H_
#include <library/cpp/yt/memory/ref.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
template <class TResult, class... TArgs>
void TCallbackList<TResult(TArgs...)>::Subscribe(const TCallback& callback)
{
auto guard = WriterGuard(SpinLock_);
Callbacks_.push_back(callback);
}
template <class TResult, class... TArgs>
void TCallbackList<TResult(TArgs...)>::Unsubscribe(const TCallback& callback)
{
auto guard = WriterGuard(SpinLock_);
for (auto it = Callbacks_.begin(); it != Callbacks_.end(); ++it) {
if (*it == callback) {
Callbacks_.erase(it);
break;
}
}
}
template <class TResult, class... TArgs>
std::vector<TCallback<TResult(TArgs...)>> TCallbackList<TResult(TArgs...)>::ToVector() const
{
auto guard = ReaderGuard(SpinLock_);
return std::vector<TCallback>(Callbacks_.begin(), Callbacks_.end());
}
template <class TResult, class... TArgs>
int TCallbackList<TResult(TArgs...)>::Size() const
{
auto guard = ReaderGuard(SpinLock_);
return Callbacks_.size();
}
template <class TResult, class... TArgs>
bool TCallbackList<TResult(TArgs...)>::Empty() const
{
auto guard = ReaderGuard(SpinLock_);
return Callbacks_.empty();
}
template <class TResult, class... TArgs>
void TCallbackList<TResult(TArgs...)>::Clear()
{
auto guard = WriterGuard(SpinLock_);
Callbacks_.clear();
}
template <class TResult, class... TArgs>
template <class... TCallArgs>
void TCallbackList<TResult(TArgs...)>::Fire(TCallArgs&&... args) const
{
TCallbackVector callbacks;
{
auto guard = ReaderGuard(SpinLock_);
callbacks = Callbacks_;
}
for (const auto& callback : callbacks) {
callback.Run(std::forward<TCallArgs>(args)...);
}
}
template <class TResult, class... TArgs>
template <class... TCallArgs>
void TCallbackList<TResult(TArgs...)>::FireAndClear(TCallArgs&&... args)
{
TCallbackVector callbacks;
{
auto guard = WriterGuard(SpinLock_);
callbacks.swap(Callbacks_);
}
for (const auto& callback : callbacks) {
callback(std::forward<TCallArgs>(args)...);
}
}
////////////////////////////////////////////////////////////////////////////////
template <class TResult, class... TArgs>
void TSimpleCallbackList<TResult(TArgs...)>::Subscribe(const TCallback& callback)
{
Callbacks_.push_back(callback);
}
template <class TResult, class... TArgs>
void TSimpleCallbackList<TResult(TArgs...)>::Unsubscribe(const TCallback& callback)
{
Callbacks_.erase(std::find(Callbacks_.begin(), Callbacks_.end(), callback));
}
template <class TResult, class... TArgs>
template <class... TCallArgs>
void TSimpleCallbackList<TResult(TArgs...)>::Fire(TCallArgs&&... args) const
{
for (const auto& callback : Callbacks_) {
callback(std::forward<TCallArgs>(args)...);
}
}
////////////////////////////////////////////////////////////////////////////////
template <class TResult, class... TArgs>
void TSingleShotCallbackList<TResult(TArgs...)>::Subscribe(const TCallback& callback)
{
auto guard = WriterGuard(SpinLock_);
if (Fired_.load(std::memory_order::acquire)) {
guard.Release();
std::apply(callback, Args_);
return;
}
Callbacks_.push_back(callback);
}
template <class TResult, class... TArgs>
bool TSingleShotCallbackList<TResult(TArgs...)>::TrySubscribe(const TCallback& callback)
{
auto guard = WriterGuard(SpinLock_);
if (Fired_.load(std::memory_order::acquire)) {
return false;
}
Callbacks_.push_back(callback);
return true;
}
template <class TResult, class... TArgs>
void TSingleShotCallbackList<TResult(TArgs...)>::Unsubscribe(const TCallback& callback)
{
auto guard = WriterGuard(SpinLock_);
for (auto it = Callbacks_.begin(); it != Callbacks_.end(); ++it) {
if (*it == callback) {
Callbacks_.erase(it);
break;
}
}
}
template <class TResult, class... TArgs>
std::vector<TCallback<TResult(TArgs...)>> TSingleShotCallbackList<TResult(TArgs...)>::ToVector() const
{
auto guard = ReaderGuard(SpinLock_);
return std::vector<TCallback>(Callbacks_.begin(), Callbacks_.end());
}
template <class TResult, class... TArgs>
template <class... TCallArgs>
bool TSingleShotCallbackList<TResult(TArgs...)>::Fire(TCallArgs&&... args)
{
TCallbackVector callbacks;
{
auto guard = WriterGuard(SpinLock_);
if (Fired_.load(std::memory_order::acquire)) {
return false;
}
Args_ = std::make_tuple(std::forward<TCallArgs>(args)...);
callbacks.swap(Callbacks_);
Fired_.store(true, std::memory_order::release);
}
for (const auto& callback : callbacks) {
std::apply(callback, Args_);
}
return true;
}
template <class TResult, class... TArgs>
bool TSingleShotCallbackList<TResult(TArgs...)>::IsFired() const
{
return Fired_.load(std::memory_order::acquire);
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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