From 242a4a9abe1e1113b5eb39aa751aa054f696d7be Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 27 Sep 2019 22:35:14 +0300
Subject: [PATCH] Additional adjustments for Poller

---
 source/io/eventdispatcher.cpp |  4 ++--
 source/io/poll.cpp            | 11 +++++------
 source/io/poll.h              | 20 +++++++++++---------
 source/io/unix/poll.cpp       |  4 ++--
 source/io/windows/poll.cpp    |  6 +++---
 5 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/source/io/eventdispatcher.cpp b/source/io/eventdispatcher.cpp
index 550043f..f98474c 100644
--- a/source/io/eventdispatcher.cpp
+++ b/source/io/eventdispatcher.cpp
@@ -63,8 +63,8 @@ void EventDispatcher::tick(const Time::Timer &timer)
 
 void EventDispatcher::dispatch()
 {
-	const vector<Poller::Slot> &result = poller.get_result();
-	for(vector<Poller::Slot>::const_iterator i=result.begin(); i!=result.end(); ++i)
+	const vector<Poller::PolledObject> &result = poller.get_result();
+	for(vector<Poller::PolledObject>::const_iterator i=result.begin(); i!=result.end(); ++i)
 		i->object->event(i->events);
 }
 
diff --git a/source/io/poll.cpp b/source/io/poll.cpp
index 2e33502..a5d2d02 100644
--- a/source/io/poll.cpp
+++ b/source/io/poll.cpp
@@ -25,7 +25,7 @@ void Poller::set_object(EventObject &obj, PollEvent ev)
 	if(ev)
 		obj.get_event_handle();
 
-	for(vector<Slot>::iterator i=objects.begin(); i!=objects.end(); ++i)
+	for(vector<PolledObject>::iterator i=objects.begin(); i!=objects.end(); ++i)
 		if(i->object==&obj)
 		{
 			if(ev)
@@ -48,16 +48,16 @@ void Poller::set_object(EventObject &obj, PollEvent ev)
 		throw logic_error("Maximum number of wait objects reached");
 #endif
 
-	objects.push_back(Slot(&obj, ev));
+	objects.push_back(PolledObject(&obj, ev));
 	objs_changed = true;
 }
 
-int Poller::poll()
+unsigned Poller::poll()
 {
 	return do_poll(-1);
 }
 
-int Poller::poll(const Time::TimeDelta &timeout)
+unsigned Poller::poll(const Time::TimeDelta &timeout)
 {
 	if(timeout<Time::zero)
 		throw invalid_argument("Poller::poll");
@@ -65,7 +65,7 @@ int Poller::poll(const Time::TimeDelta &timeout)
 	return do_poll(static_cast<int>(timeout/Time::msec));
 }
 
-int Poller::do_poll(int timeout)
+unsigned Poller::do_poll(int timeout)
 {
 	if(objs_changed || events_changed)
 	{
@@ -82,7 +82,6 @@ int Poller::do_poll(int timeout)
 }
 
 
-
 PollEvent platform_poll(EventObject &, PollEvent, int);
 
 PollEvent poll(EventObject &obj, PollEvent pe)
diff --git a/source/io/poll.h b/source/io/poll.h
index fdb68c5..40c15a7 100644
--- a/source/io/poll.h
+++ b/source/io/poll.h
@@ -35,37 +35,39 @@ inline PollEvent operator~(PollEvent e)
 class Poller: private NonCopyable
 {
 public:
-	struct Slot
+	struct PolledObject
 	{
 		EventObject *object;
 		PollEvent events;
 
-		Slot(EventObject *o, PollEvent e): object(o), events(e) { }
+		PolledObject(EventObject *o, PollEvent e): object(o), events(e) { }
 	};
 
-	typedef std::vector<Slot> SlotList DEPRECATED;
+	typedef PolledObject Slot DEPRECATED;
+
+	typedef std::vector<PolledObject> SlotList DEPRECATED;
 private:
 	struct Private;
 
-	std::vector<Slot> objects;
+	std::vector<PolledObject> objects;
 	Private *priv;
 	bool events_changed;
 	bool objs_changed;
-	std::vector<Slot> poll_result;
+	std::vector<PolledObject> poll_result;
 
 public:
 	Poller();
 	~Poller();
 
 	void set_object(EventObject &, PollEvent);
-	int poll();
-	int poll(const Time::TimeDelta &);
+	unsigned poll();
+	unsigned poll(const Time::TimeDelta &);
 private:
 	void rebuild_array();
-	int do_poll(int);
+	unsigned do_poll(int);
 	void platform_poll(int);
 public:
-	const std::vector<Slot> &get_result() const { return poll_result; }
+	const std::vector<PolledObject> &get_result() const { return poll_result; }
 };
 
 PollEvent poll(EventObject &, PollEvent);
diff --git a/source/io/unix/poll.cpp b/source/io/unix/poll.cpp
index 0fb9d22..7df113e 100644
--- a/source/io/unix/poll.cpp
+++ b/source/io/unix/poll.cpp
@@ -62,7 +62,7 @@ void Poller::rebuild_array()
 		priv->pfd.clear();
 		priv->pfd.reserve(objects.size());
 
-		for(vector<Slot>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
+		for(vector<PolledObject>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
 		{
 			pollfd p;
 			p.fd = *i->object->get_event_handle();
@@ -91,7 +91,7 @@ void Poller::platform_poll(int timeout)
 	for(unsigned i=0; (i<objects.size() && ret>0); ++i)
 		if(priv->pfd[i].revents)
 		{
-			poll_result.push_back(Slot(objects[i].object, poll_event_from_sys(priv->pfd[i].revents)));
+			poll_result.push_back(PolledObject(objects[i].object, poll_event_from_sys(priv->pfd[i].revents)));
 			--ret;
 		}
 }
diff --git a/source/io/windows/poll.cpp b/source/io/windows/poll.cpp
index b3ee8ec..7aafc6e 100644
--- a/source/io/windows/poll.cpp
+++ b/source/io/windows/poll.cpp
@@ -18,7 +18,7 @@ void Poller::rebuild_array()
 	priv->handles.clear();
 	priv->handles.reserve(objects.size());
 
-	for(vector<Slot>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
+	for(vector<PolledObject>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
 		priv->handles.push_back(*i->object->get_event_handle());
 }
 
@@ -30,8 +30,8 @@ void Poller::platform_poll(int timeout)
 	DWORD ret = WaitForMultipleObjects(priv->handles.size(), &priv->handles.front(), false, timeout);
 	if(/*ret>=WAIT_OBJECT_0 &&*/ ret<WAIT_OBJECT_0+priv->handles.size())
 	{
-		const Slot &slot = objects[ret-WAIT_OBJECT_0];
-		poll_result.push_back(slot);
+		const PolledObject &obj = objects[ret-WAIT_OBJECT_0];
+		poll_result.push_back(obj);
 	}
 	else if(ret==WAIT_FAILED)
 		throw system_error("WaitForMultipleObjects");
-- 
2.45.2