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Add ReceiverTest.

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And fix a small bug with the Receiver not eating all the input.
This commit is contained in:
ArthurSonzogni
2020-03-27 00:22:04 +01:00
committed by Arthur Sonzogni
parent e8ed0fbc6d
commit 6e7b4526a0
3 changed files with 89 additions and 8 deletions
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26
include/ftxui/component/receiver.hpp
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@@ -1,6 +1,8 @@
#ifndef FTXUI_COMPONENT_RECEIVER_HPP_
#define FTXUI_COMPONENT_RECEIVER_HPP_
#include <iostream>
#include <atomic>
#include <condition_variable>
#include <functional>
@@ -47,13 +49,13 @@ template<class T> Receiver<T> MakeReceiver();
template <class T>
class SenderImpl {
public:
void Send(T t) { sender_->Receive(std::move(t)); }
~SenderImpl() { sender_->senders_--; }
void Send(T t) { receiver_->Receive(std::move(t)); }
~SenderImpl() { receiver_->ReleaseSender();}
private:
friend class ReceiverImpl<T>;
SenderImpl(ReceiverImpl<T>* consumer) : sender_(consumer) {}
ReceiverImpl<T>* sender_;
SenderImpl(ReceiverImpl<T>* consumer) : receiver_(consumer) {}
ReceiverImpl<T>* receiver_;
};
template <class T>
@@ -65,9 +67,9 @@ class ReceiverImpl {
}
bool Receive(T* t) {
while (senders_) {
while (senders_ || !queue_.empty()) {
std::unique_lock<std::mutex> lock(mutex_);
while (queue_.empty())
if (queue_.empty())
notifier_.wait(lock);
if (queue_.empty())
continue;
@@ -82,8 +84,16 @@ class ReceiverImpl {
friend class SenderImpl<T>;
void Receive(T t) {
std::unique_lock<std::mutex> lock(mutex_);
queue_.push(std::move(t));
{
std::unique_lock<std::mutex> lock(mutex_);
queue_.push(std::move(t));
}
notifier_.notify_one();
}
void ReleaseSender() {
std::cerr << __func__ << std::endl;
senders_--;
notifier_.notify_one();
}