event: implement PollGroup based on Windows select

1 files changed, 57 insertions, 0 deletions

diff --git a/src/event/PollResultGeneric.hxx b/src/event/PollResultGeneric.hxx
new file mode 100644
index 000000000..1c2c0d00b
--- /dev/null
+++ b/src/event/PollResultGeneric.hxx
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_EVENT_POLLRESULT_GENERIC_HXX
+#define MPD_EVENT_POLLRESULT_GENERIC_HXX
+
+#include "check.h"
+
+#include <vector>
+
+class PollResultGeneric
+{
+	struct Item
+	{
+		unsigned events;
+		void *obj;
+
+		Item() = default;
+		Item(unsigned _events, void *_obj)
+			: events(_events), obj(_obj) { }
+	};
+
+	std::vector<Item> items;
+public:
+	int GetSize() const { return items.size(); }
+	unsigned GetEvents(int i) const { return items[i].events; }
+	void *GetObject(int i) const { return items[i].obj; }
+	void Reset() { items.clear(); }
+
+	void Clear(void *obj) {
+		for (auto i = items.begin(); i != items.end(); ++i)
+			if (i->obj == obj)
+				i->events = 0;
+	}
+
+	void Add(unsigned events, void *obj) {
+		items.emplace_back(events, obj);
+	}
+};
+
+#endif